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GMC Yukon 2000–2006

GMC YukonModel years 2000–2006

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The vehicle (where a record says)

A record is under an engine, a drive or a series only where it says so: the characters of the vehicle identification number filed with a complaint, its text, or what its document says it applies to. A record that does not say is kept as "not stated". The filed numbers and the documents do not tell 4WD from AWD.

Common on this vehicle:LeakGauge or instrument faultWarning lightMisfire or rough idleFuel smellStalls or shuts offCorrosion or rustHard start or long crank

Record by record

41 records state a cause or a remedy. Each record is shown as short labels in the order fault → finding the cause → correction. Press a label to narrow to the records that state it.

Symptom

Component named as the cause

Work done

How it is said to have ended

  • says it held for a while1
  • result not stated1

A ribbon is as wide as the records that state both of its ends (only the commonest are drawn). A record that names several symptoms or components runs through each. Orange is records that say the fault came back or was not fixed. Results come from owners’ reports only; one that does not say is “result not stated”. None of this is a likelihood of a cause or a rate at which work succeeds.

Read the records one by one (28)

Known issuesEngine fuel rail crossover tube retainer screws may break (5.3L RPO L59) - recall 04V-3762

  1. Recall2005 GMC YUKON ・ 2004-08-05

    Fuel Rail Crossover Tube Retainer Screws Recall

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      Not stated

      What the documents say to do

      Engine fuel rail crossover tube retainer screws may break (5.3L RPO L59) - recall 04V-376

      Confirm

      • Check for leaks: ignition ON with the engine OFF for 2 seconds, ignition OFF for 10 seconds, ignition ON with the engine OFF, then visually inspect for fuel leaks.

      Repair

      1. Dealers inspect the fuel rail crossover tube and replace the retainer screws if necessary.
      2. Hold the fuel crossover tube retainer to the bracket on the fuel rail with locking pliers, using enough force to keep the retainer from moving without damaging any parts.

      Caution

      • The GM bulletin lists Tahoe and Yukon models because Canadian vehicles are included in the bulletin.
    Read the sentences of the record
    Cause
    On certain vehicles, the fuel rail crossover tube retainer screws were not manufactured to specifications and may break. If a tube retainer screw breaks, fuel could leak from the fuel rail crossover joint, the engine may stall and, if an ignition source were present, an engine compartment fire could occur. Correction: Dealers will inspect the fuel rail crossover tube assembly and, if necessary, replace the two tube retainer screws.

  2. Manufacturer communication2005 GMC YUKON ・ 2005-04-11

    Engine Fuel Rail Crossover Tube Retainer Screw

    1. 1Fault

      Not stated

    2. 2Finding the cause

    3. 3Correction

      ENGINE FUEL RAIL CROSSOVER TUBE RETAINER SCREW WERE NOT MANUFACTURED TO SPECIFICATIONS AND MAY BREAK. *EH

      What the documents say to do

      Engine fuel rail crossover tube retainer screws may break (5.3L RPO L59) - recall 04V-376

      Confirm

      • Check for leaks: ignition ON with the engine OFF for 2 seconds, ignition OFF for 10 seconds, ignition ON with the engine OFF, then visually inspect for fuel leaks.

      Repair

      1. Dealers inspect the fuel rail crossover tube and replace the retainer screws if necessary.
      2. Hold the fuel crossover tube retainer to the bracket on the fuel rail with locking pliers, using enough force to keep the retainer from moving without damaging any parts.

      Caution

      • The GM bulletin lists Tahoe and Yukon models because Canadian vehicles are included in the bulletin.
    Read the sentences of the record
    Remedy
    ENGINE FUEL RAIL CROSSOVER TUBE RETAINER SCREW WERE NOT MANUFACTURED TO SPECIFICATIONS AND MAY BREAK. *EH

Known issuesAftermarket part (not the vehicle as built): Fram G3727 replacement fuel filter connector - recall 06E-0431

  1. Recall2005 GMC YUKON ・ —

    Fram Replacement Fuel Filters (P/N G3727) Recall

    1. 1Fault

      • The connector on the fuel filter was not manufactured to specification, so the O-ring may not seat correctly on the fuel line; this may cause an inadequate seal, potentially leading to a fuel leak (wetting or dripping) and possible vehicle fire.

    2. 2Finding the cause

      Steps to confirm (in the document’s order)

      • The part number (G3727), country of origin (Mexico) and the date code (e.g., X60031) are located on the side of the fuel filter.

    3. 3Correction

      Repair

      • Honeywell will replace the subject fuel filters at no charge to the customer.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：This is an equipment recall of fuel filters manufactured by Interfil in Mexico and sold by Honeywell under the FRAM brand name, part number G3727, intended for aftermarket installation on the vehicle applications in the attached table.
    • Applies to：Only filters with date codes X52911 through X60801 sequentially or X600141, and with a Mexico country of origin marking on the filter housing, are subject to the recall.
    • Applies to：The application table lists YUKON 1992 - 2005, YUKON DENALI 2005, YUKON DENALI XL 2005, YUKON XL 1500 2000 - 2005 and YUKON XL 2500 2000 - 2005.
    • Condition：The connector on the fuel filter was not manufactured to specification, so the O-ring may not seat correctly on the fuel line; this may cause an inadequate seal, potentially leading to a fuel leak (wetting or dripping) and possible vehicle fire.
    • Confirm：The part number (G3727), country of origin (Mexico) and the date code (e.g., X60031) are located on the side of the fuel filter.
    • Repair：Honeywell will replace the subject fuel filters at no charge to the customer.
    Cause
    CERTAIN REPLACEMENT FUEL FILTERS, FRAM BRAND NAME P/N G3727, WITH DATE CODES X52911 THROUGH X60801 SEQUENTIALLY OR X600141 AND A MEXICO COUNTRY OR ORIGIN MARKING ON THE FUEL FILTER HOUSING MANUFACTURED FROM OCTOBER 18, 2005, THROUGH MARCH 21, 2006, SOLD FOR USE ON THE VEHICLES LISTED ABOVE AND ON CERTAIN SCHOOL BUSES. (TO SEE THE SCHOOL BUS ENGINE SIZES, CLICK ON "DOCUMENT SEARCH" AND THEN "BUS APPLICATIONS"). THE CONNECTOR ON THE FUEL FILTER WAS NOT MANUFACTURED TO HONEYWELL'S SPECIFICATION. AS A RESULT, THE O-RING MAY NOT SEAT CORRECTLY ON THE FUEL LINE.
    Remedy
    HONEYWELL WILL NOTIFY OWNERS AND REPLACE THE FUEL FILTERS FREE OF CHARGE. THE RECALL BEGAN ON OCTOBER 18, 2006. OWNERS MAY CONTACT FRAM CUSTOMER SERVICE AT 1-800-890-2075 (OPTION 1).
    Consequence
    THIS CONDITION MAY CAUSE AN INADEQUATE SEAL AT THE CONNECTION, POTENTIALLY LEADING TO A FUEL LEAK. IN THE PRESENCE OF AN IGNITION SOURCE, A FIRE COULD OCCUR.

Known issuesFuel gauge reads low or drops to empty in Park / Neutral (normal characteristic)1

  1. Manufacturer communication2000–2006 GMC YUKON DENALI ・ 2017-08-15

    Fuel Gauge Accuracy—Preliminary Information

    1. 1Fault

      • The fuel gauge may be inaccurate or drop to empty (E) with the low fuel light coming on.
      • The condition is most apparent when the gauge is at or below the quarter (1/4) tank mark.

    2. 2Finding the cause

      Possible causes

      • On an automatic transmission no buffering of the fuel gauge takes place when the transmission is in park or neutral.

      Steps to confirm (in the document’s order)

      1. Try to duplicate it by driving a short distance in reverse and stopping (to make fuel slosh), shifting to park or neutral and then to drive.
      2. Note how the vehicle is being parked (on an incline, front of the vehicle up hill or down hill).

    3. 3Correction

      Caution

      • This is a normal characteristic and no repairs are necessary.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：The model list names 2000-2015 GMC Yukon models.
    • Condition：The fuel gauge may be inaccurate or drop to empty (E) with the low fuel light coming on.
    • Condition：The condition is most apparent when the gauge is at or below the quarter (1/4) tank mark.
    • Confirm：Try to duplicate it by driving a short distance in reverse and stopping (to make fuel slosh), shifting to park or neutral and then to drive.
    • Confirm：Note how the vehicle is being parked (on an incline, front of the vehicle up hill or down hill).
    • Cause：On an automatic transmission no buffering of the fuel gauge takes place when the transmission is in park or neutral.
    • Caution：This is a normal characteristic and no repairs are necessary.

    Open the manufacturer’s document (PDF) ↗ The points above were read from this document.

    Remedy
    This Preliminary Information communication provides information to the technician about vehicles that have an inaccurate fuel gauge. Technician should drive the vehicle to duplicate the concern. The fuel gauge will have a tendency to falsely indicate a lower fuel level than what is actually present. The fuel gauge will take a few minutes to show the correct fuel level. On vehicles equipped with an automatic transmission no buffering takes place when the transmission is in park or neutral. This is a normal characteristic and no repairs are necessary. On vehicles equipped with a manual transmission the fuel gauge is buffered in all gears and neutral. There is a timer which starts to count up when the clutch is depressed. When this timer reaches its calibrated value the buffering stops. This is a normal characteristic and no repairs are necessary.

Known issuesOil leak after cold start from frozen PCV system (rear main seal)1

  1. Manufacturer communication2002–2006 GMC YUKON DENALI ・ 2018-02-21(1 earlier editions of this document folded here)

    Oil Leak at Cold Start in Extreme Low Ambient Temperatures

    1. 1Fault

      • An oil leak may appear shortly after a cold start in extremely low ambient temperatures (approximately below 10*F) or with excessive short trip drive cycles.

    2. 2Finding the cause

      Possible causes

      • An oil leak from the rear main seal is the result of a frozen PCV system and excessive crankcase pressure.

    3. 3Correction

      Repair

      1. Clean the area of the oil leak, clean and dry the PCV hoses, and replace the oil fill cap with part number 12589430 (vented oil fill cap) to prevent a reoccurrence.
      2. For warranty repairs, labor operation 4065230 is Oil Filler Cap Replacement.

      Part numbers printed in the document

      The numbers are as the document prints them. The name and the replacing number are what the pages of GMPartsGiant, a reseller of genuine parts and not GM, state. Aftermarket equivalents are not checked here (the links only search by number). Confirm the fit for the vehicle (VIN) before ordering.

      Parts

      • Oil fill cap part number 12589430 (vented oil fill cap).

      Part numbers printed in the document

      The numbers are as the document prints them. The name and the replacing number are what the pages of GMPartsGiant, a reseller of genuine parts and not GM, state. Aftermarket equivalents are not checked here (the links only search by number). Confirm the fit for the vehicle (VIN) before ordering.

    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to GMC Yukon models, 2002 - 2014, with a V8 engine.
    • Condition：An oil leak may appear shortly after a cold start in extremely low ambient temperatures (approximately below 10*F) or with excessive short trip drive cycles.
    • Cause：An oil leak from the rear main seal is the result of a frozen PCV system and excessive crankcase pressure.
    • Repair：Clean the area of the oil leak, clean and dry the PCV hoses, and replace the oil fill cap with part number 12589430 (vented oil fill cap) to prevent a reoccurrence.
    • Parts：Oil fill cap part number 12589430 (vented oil fill cap).
    • Repair：For warranty repairs, labor operation 4065230 is Oil Filler Cap Replacement.

    Open the manufacturer’s document (PDF) ↗ The points above were read from this document.

    Remedy
    This Preliminary Information communication provides information to the technician about vehicles that have an oil leak shortly after a cold start when extremely low ambient temperatures are present. Technician will need to clean the area of the oil leak, clean and dry the PCV hoses, and replace the oil fill cap with part number 12589430.

FUEL SYSTEM, GASOLINE10

  1. Manufacturer communication2000–2006 GMC YUKON ・ 2022-02-14(1 earlier editions of this document folded here)

    Tire Pressure Monitor and diagnostic tool software update

    1. 1Fault

      • The document gives the steps to download or update the AFIT, TPM, GR8, MIT, PICO Scope or VDR tools.

    2. 2Finding the cause

      Not stated

    3. 3Correction

      This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester  and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update.

    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to all models, 1995 - 2022.
    • Condition：The document gives the steps to download or update the AFIT, TPM, GR8, MIT, PICO Scope or VDR tools.

    Open the manufacturer’s document (PDF) ↗ The points above were read from this document.

    Remedy
    This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester  and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update.

  2. Manufacturer communication2000–2006 GMC YUKON DENALI ・ 2021-07-19

    EVAP System Leak Diagnosis for MIL with DTCs P0442/P0455

    1. 1Fault

      • The MIL is on and the ECM has P0442 (EVAP small leak detected) and/or P0455 (EVAP large leak detected).

    2. 2Finding the cause

      Possible causes

      • P0455 sets for a large leak or purge blockage: an unseated tube connection, a damaged tube, a stuck open canister vent valve or a stuck closed purge valve.
      • P0442 sets for a small leak, which can come from a stuck open purge valve or stuck open canister vent valve.

      Steps to confirm (in the document’s order)

      1. Inspect all purge connections for proper installation and look for damage or wear along the lines; if damage is seen, confirm with the smoke test.
      2. Some leaks show only under pressure and some only under vacuum, so check both ways.
      3. Cycling the purge and vent solenoids with GDS2 while inspecting may reveal a sticking valve.
      4. Critical connections 1-3: purge tube to purge valve (at intake manifold), purge tube to chassis EVAP line (rear of engine, near transmission), chassis EVAP line to canister.
      5. Critical connections 4-7: fuel tank load line to canister, vent valve line to vent valve, fuel tank load line jumper connection (near fuel tank), and the fuel tank cap closed properly.
      2 more points

    3. 3Correction

      This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set.

    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to 2000 through 2021 GM passenger cars and trucks (including medium duty) with gasoline engines.
    • Condition：The MIL is on and the ECM has P0442 (EVAP small leak detected) and/or P0455 (EVAP large leak detected).
    • Cause：P0455 sets for a large leak or purge blockage: an unseated tube connection, a damaged tube, a stuck open canister vent valve or a stuck closed purge valve.
    • Cause：P0442 sets for a small leak, which can come from a stuck open purge valve or stuck open canister vent valve.
    • Confirm：Inspect all purge connections for proper installation and look for damage or wear along the lines; if damage is seen, confirm with the smoke test.
    • Confirm：Some leaks show only under pressure and some only under vacuum, so check both ways.
    • Confirm：Cycling the purge and vent solenoids with GDS2 while inspecting may reveal a sticking valve.
    • Confirm：Critical connections 1-3: purge tube to purge valve (at intake manifold), purge tube to chassis EVAP line (rear of engine, near transmission), chassis EVAP line to canister.
    • Confirm：Critical connections 4-7: fuel tank load line to canister, vent valve line to vent valve, fuel tank load line jumper connection (near fuel tank), and the fuel tank cap closed properly.
    • Confirm：If all connections are good, check the vent valve for a stuck open position.
    • Confirm：If the vent valve is verified to function correctly, go on to investigate the purge valve.

    Open the manufacturer’s document (PDF) ↗ The points above were read from this document.

    Remedy
    This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set.

  3. Manufacturer communication2000–2006 GMC YUKON DENALI ・ 2021-04-19(1 earlier editions of this document folded here)

    Engine Block Cylinder Bore Damage Information

    1. 1Fault

      • The block is suspected of cylinder bore damage, scoring or out of round as the cause of oil consumption, misfire, cylinder leakage or blow by.

    2. 2Finding the cause

      Possible causes

      • If a catalytic converter fails and the brick breaks, its dust can be drawn back into the engine.

      Steps to confirm (in the document’s order)

      1. The peak to valley spec for crosshatch is .65-2.8 microns; any deviation and the crosshatch will be gone.
      2. Cylinder damage or scoring: the walls have grooves deep enough to catch with a finger nail.
      3. If there is crosshatch all the way around the bore from top to bottom, the bore is not out of round.
      4. Dirt intrusion: with a compromised filtering system the bores look lightly sand blasted, and the crosshatch is faint with no sharpness.
      5. A block with this converter-dust failure has bores that look sand blasted.

    3. 3Correction

      Repair

      • If not caught early there will be no crosshatch and the engine will need to be replaced.

      Caution

      • GM has not had an issue with cylinders being machined out of round for any engine family in recent history.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to all brands and models, model years 2000 - 2021.
    • Condition：The block is suspected of cylinder bore damage, scoring or out of round as the cause of oil consumption, misfire, cylinder leakage or blow by.
    • Caution：GM has not had an issue with cylinders being machined out of round for any engine family in recent history.
    • Confirm：The peak to valley spec for crosshatch is .65-2.8 microns; any deviation and the crosshatch will be gone.
    • Confirm：Cylinder damage or scoring: the walls have grooves deep enough to catch with a finger nail.
    • Confirm：If there is crosshatch all the way around the bore from top to bottom, the bore is not out of round.
    • Confirm：Dirt intrusion: with a compromised filtering system the bores look lightly sand blasted, and the crosshatch is faint with no sharpness.
    • Cause：If a catalytic converter fails and the brick breaks, its dust can be drawn back into the engine.
    • Confirm：A block with this converter-dust failure has bores that look sand blasted.
    • Repair：If not caught early there will be no crosshatch and the engine will need to be replaced.

    Open the manufacturer’s document (PDF) ↗ The points above were read from this document.

    Remedy
    This Preliminary Information communication provides information to the technician about engine block of possible cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder leakage or blow by. Technician will need to inspect the engine for Cylinder damage or scoring, An out of round cylinder bore, Dirt intrusion, and Catalytic Converter failure.

  4. Manufacturer communication2000–2006 GMC YUKON DENALI ・ 2020-06-15

    Winter Fuel Use During Warm Months 2020 – Drivability Notice

    1. 1Fault

      • In rare instances customers complain of a fuel smell, longer starts, hesitation and, in extreme cases, engine stalls.
      • Any combination of DTCs P0300, P0171, P0174, P228C may be set.

    2. 2Finding the cause

      Possible causes

      • Because of a surplus of winter grade fuel in storage, the EPA is waiving the fuel vapor requirement, which extends the use of winter fuel into the summer months.
      • The use of winter fuel in summer weather may cause drivability concerns.

      Steps to confirm (in the document’s order)

      • These should not be single events but multiple occurrences associated with hot days.

    3. 3Correction

      Caution

      • No repair is required; the vehicles are not damaged and will recover.
      • There is no other remedy until summer fuel and/or cooler weather is available.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to all models with gasoline engines, 2000 - 2021.
    • Condition：In rare instances customers complain of a fuel smell, longer starts, hesitation and, in extreme cases, engine stalls.
    • Condition：Any combination of DTCs P0300, P0171, P0174, P228C may be set.
    • Cause：Because of a surplus of winter grade fuel in storage, the EPA is waiving the fuel vapor requirement, which extends the use of winter fuel into the summer months.
    • Cause：The use of winter fuel in summer weather may cause drivability concerns.
    • Confirm：These should not be single events but multiple occurrences associated with hot days.
    • Caution：No repair is required; the vehicles are not damaged and will recover.
    • Caution：There is no other remedy until summer fuel and/or cooler weather is available.

    Open the manufacturer’s document (PDF) ↗ The points above were read from this document.

    Remedy
    This Preliminary information communicates the use of Winter grade fuel during the warm months of 2020 and the potential rivability issues that it can cause. The ongoing Coronavirus (COVID-19) pandemic has caused significant reductions in driving and fuel use.  Due to the surplus of winter grade fuel sitting in storage (pipelines/stations) the EPA is waiving the fuel vapor requirement.  This will extend the use of winter fuel into the summer months. The drivability concerns should not be single events but should be multiple occurrences associated with hot days.

  5. Manufacturer communication2000–2006 GMC YUKON DENALI ・ 2018-05-21(1 earlier editions of this document folded here)

    E85 Fuel Effects on Non-E85 Vehicles Information

    1. 1Fault

      • Using this fuel in a non-compatible vehicle may cause lean driveability concerns such as hesitation, sag and/or possible stalling.
      • Fuel trim DTC P0171 and/or P0174 may set.
      • Misfire DTC P0300 may set.
      • A Traction Control, Stability System or ABS lamp may illuminate, or a message may display in the DIC (if equipped).
      • Harsh and/or firm transmission shifts may occur because the transmission defaults to maximum line pressure.

    2. 2Finding the cause

      Steps to confirm (in the document’s order)

      1. Alcohol content is checked using Special Tool J-44175-A Fuel Composition Tester or CH-44175-A Fuel Composition Tester.
      2. General Motors started putting yellow gas caps on E85 Flex Fuel Vehicles (FFVs) as of Model Year 2006.

    3. 3Correction

      Repair

      • If the ethanol content exceeds the Owner Manual maximum of 10% or 15%, drain the fuel and refill the vehicle with gasoline, preferably a Top Tier brand.

      Caution

      • All Model Year 2011 and older non-FFV gasoline vehicles are designed to run on fuel containing no more than 10% ethanol.
      • Diesel engines are not E85 compatible.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：The list of compatible flexible-fuel vehicles includes 2002–2005 fullsize pickups and utilities with 5.3L, RPO L59.
    • Applies to：The list of compatible flexible-fuel vehicles includes 2006 Sierra, Yukon and Yukon XL with 5.3L, RPO L59.
    • Caution：All Model Year 2011 and older non-FFV gasoline vehicles are designed to run on fuel containing no more than 10% ethanol.
    • Caution：Diesel engines are not E85 compatible.
    • Condition：Using this fuel in a non-compatible vehicle may cause lean driveability concerns such as hesitation, sag and/or possible stalling.
    • Condition：Fuel trim DTC P0171 and/or P0174 may set.
    • Condition：Misfire DTC P0300 may set.
    • Condition：A Traction Control, Stability System or ABS lamp may illuminate, or a message may display in the DIC (if equipped).
    • Condition：Harsh and/or firm transmission shifts may occur because the transmission defaults to maximum line pressure.
    • Confirm：Alcohol content is checked using Special Tool J-44175-A Fuel Composition Tester or CH-44175-A Fuel Composition Tester.
    • Repair：If the ethanol content exceeds the Owner Manual maximum of 10% or 15%, drain the fuel and refill the vehicle with gasoline, preferably a Top Tier brand.
    • Confirm：General Motors started putting yellow gas caps on E85 Flex Fuel Vehicles (FFVs) as of Model Year 2006.

    Open the manufacturer’s document (PDF) ↗ The points above were read from this document.

    Remedy
    This informational bulletin provides the technician with information on what E85 fuel may due to a non E85 vehicle.

  6. Manufacturer communication2000–2006 GMC YUKON DENALI ・ 2018-01-22

    Alternative Fuel System Identification

    1. 1Fault

      • The engine RPO code and the VECI labels show whether the vehicle has a factory installed alternative fuel system or who made the aftermarket fuel system.

    2. 2Finding the cause

      Not stated

    3. 3Correction

      This Preliminary Information communication provides information to the technician to help determine if the vehicle is equipped with factory or aftermarket Compressed Natural Gas, Liquefied Petroleum Gas, or Bi-Fuel Systems. Technician will check for the Vehicle Emission Control Information Label. By using the engine Regular Production Option Code as well as the Vehicle Emission Control Information Label, technician can confirm the vehicle has a factory installed alternative fuel system or who the manufacturer is of the aftermarket fuel system.

    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：2016 and prior passenger cars and light duty trucks.
    • Condition：The engine RPO code and the VECI labels show whether the vehicle has a factory installed alternative fuel system or who made the aftermarket fuel system.

    Open the manufacturer’s document (PDF) ↗ The points above were read from this document.

    Remedy
    This Preliminary Information communication provides information to the technician to help determine if the vehicle is equipped with factory or aftermarket Compressed Natural Gas, Liquefied Petroleum Gas, or Bi-Fuel Systems. Technician will check for the Vehicle Emission Control Information Label. By using the engine Regular Production Option Code as well as the Vehicle Emission Control Information Label, technician can confirm the vehicle has a factory installed alternative fuel system or who the manufacturer is of the aftermarket fuel system.

  7. Owner complaint2005 GMC YUKON DENALI ・ 2012-08-20

    Fuel odor while driving, high pressure fuel line severely rusted and leaking

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      Not stated

    Read the sentences of the record
    Fault
    THE CONTACT STATED WHILE DRIVING 25 MPH (= 40.2 km/h) HE SMELLED A VERY STRONG FUEL ODOR.
    Inspection
    THE VEHICLE WAS TAKEN TO A PERSONAL MECHANIC AND THE CONTACT WAS TOLD THAT THE HIGH PRESSURE FUEL LINE WAS SEVERELY RUSTED AND WAS LEAKING GASOLINE.
    Outcome
    THE VEHICLE WAS REPAIRED.

  8. Owner complaint2005 GMC YUKON ・ 2010-09-17

    Gasoline leak from fuel line while parked with engine running

    1. 1Fault

    2. 2Finding the cause

    3. 3CorrectionNot repaired

      THE VEHICLE WAS NOT TAKEN TO BE EXAMINED FOR THE CAUSE OF FAILURE AND WAS NOT REPAIRED.

    Read the sentences of the record
    Fault
    WHILE PARKED WITH THE ENGINE RUNNING, THE CONTACT COULD SMELL GASOLINE COMING FROM THE VEHICLE.
    Remedy
    THE VEHICLE WAS NOT TAKEN TO BE EXAMINED FOR THE CAUSE OF FAILURE AND WAS NOT REPAIRED.

  9. Manufacturer communication2005 GMC YUKON ・ 2005-05-11

    Fuel Tank Date Code Inspection

    1. 1Fault

      Not stated

    2. 2Finding the cause

      Not stated

    3. 3Correction

      FUEL TANK DATE CODE INSPECTION. *EH

    Read the sentences of the record
    Remedy
    FUEL TANK DATE CODE INSPECTION. *EH

  10. Manufacturer communication2004–2005 GMC YUKON ・ 2005-04-20

    Rust Found in Injector Inlet Filter

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      RUST FOUND IN THE INJECTOR INLET FILTER DURING INJECTOR REPAIRS. *TT

    Read the sentences of the record
    Remedy
    RUST FOUND IN THE INJECTOR INLET FILTER DURING INJECTOR REPAIRS. *TT

FUEL SYSTEM, OTHER5

  1. Manufacturer communication2005–2006 GMC YUKON ・ 2010-03-15

    Inaccurate fuel gauge below 1/4 tank

    1. 1Fault

    2. 2Finding the cause

      Not stated

    3. 3Correction

      GMC/CHEVROLET/CADILLAC: VEHICLE FUEL GAUGE INACCURATE BELOW 1/4 TANK. ON RARE OCCASIONS, THE VEHICLE HAS AN INACCURATE FUEL GAUGE READING AT 1/4 OR A 1/8 OF A TANK. *PE

    Read the sentences of the record
    Remedy
    GMC/CHEVROLET/CADILLAC: VEHICLE FUEL GAUGE INACCURATE BELOW 1/4 TANK. ON RARE OCCASIONS, THE VEHICLE HAS AN INACCURATE FUEL GAUGE READING AT 1/4 OR A 1/8 OF A TANK. *PE

  2. Manufacturer communication2000–2005 GMC YUKON ・ 2008-12-05

    GMC: Fuel Gauge Fluctuation in Park or Neutral

    1. 1Fault

    2. 2Finding the cause

      Not stated

    3. 3Correction

      GMC: FUEL GAUGE FLUCTUATION IN PARK OR NEUTRAL, CAUSING THE LOW FUEL LIGHT TO ILLUMINATE. *PE

    Read the sentences of the record
    Remedy
    GMC: FUEL GAUGE FLUCTUATION IN PARK OR NEUTRAL, CAUSING THE LOW FUEL LIGHT TO ILLUMINATE. *PE

  3. Manufacturer communication2004–2005 GMC YUKON ・ 2005-08-11

    Fuel Filter Replacement

    1. 1Fault

      Not stated

    2. 2Finding the cause

      Not stated

    3. 3Correction

    Read the sentences of the record
    Remedy
    FUEL FILTER REPLACEMENT. GM TECH LINK. *TT

  4. Manufacturer communication2000–2006 GMC YUKON DENALI ・ 2004-09-27

    Fuel Gauge Fluctuation in Park or Neutral

    1. 1Fault

    2. 2Finding the cause

      Not stated

    3. 3Correction

      FUEL GAUGE FLUCTUATION IN PARK OR NEUTRAL. *TT

    Read the sentences of the record
    Remedy
    FUEL GAUGE FLUCTUATION IN PARK OR NEUTRAL. *TT

  5. Manufacturer communication2000–2005 GMC YUKON ・ 2001-10-26

    Diagnosing Fuel Gauge Reading Empty, Low Fuel Message Displayed, DTCs Set

    1. 1Fault

    2. 2Finding the cause

      Not stated

    3. 3Correction

      DIAGNOSING FUEL GAUGE READING EMPTY, LOW FUEL MESSAGE DISPLAYED, DTCS SET. *YH

    Read the sentences of the record
    Remedy
    DIAGNOSING FUEL GAUGE READING EMPTY, LOW FUEL MESSAGE DISPLAYED, DTCS SET. *YH

FUEL/PROPULSION SYSTEM4

  1. Owner complaint2005 GMC YUKON ・ 2017-08-01

    Strong fuel odor while driving

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

    Read the sentences of the record
    Fault
    WHILE DRIVING UNKNOWN SPEEDS, THERE WAS A STRONG FUEL ODOR COMING FROM THE VEHICLE.
    Remedy
    THE FUEL LINES WERE REPLACED.
    Inspection
    THE CONTACT STATED THAT THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO DIAGNOSED THAT THERE WERE HOLES IN THE FUEL LINE DUE TO THE LINES BEING TOO CLOSE AND RUBBING TOGETHER.

  2. Owner complaint2005 GMC YUKON ・ 2015-11-05

    Fuel odor and rusted fuel pump at 100,000 miles

    1. 1Fault

    2. 2Finding the cause

    3. 3CorrectionNot repaired

      THE VEHICLE WAS NOT REPAIRED.

    Read the sentences of the record
    Fault
    THE CONTACT NOTICED A FUEL ODOR COMING FROM THE VEHICLE.
    Remedy
    THE VEHICLE WAS NOT REPAIRED.
    Inspection
    THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE FUEL PUMP WAS COMPLETELY RUSTED FROM THE ELBOW ON THE TOP OF THE FUEL TANK AND NEEDED TO BE REPAIRED.

  3. Owner complaint2005 GMC YUKON ・ 2015-04-13

    Fuel leaking while parked

    1. 1Fault

    2. 2Finding the cause

    3. 3CorrectionNot repaired

      THE VEHICLE WAS NOT REPAIRED.

    Read the sentences of the record
    Fault
    WHILE THE VEHICLE WAS PARKED, THE CONTACT NOTICED FUEL LEAKING.
    Remedy
    THE VEHICLE WAS NOT REPAIRED.
    Inspection
    THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE SENDING UNIT FOR THE FUEL PUMP RUSTED AND FAILED.

  4. Owner complaint2005 GMC YUKON DENALI ・ 2014-09-22

    Fuel fumes emitted around vehicle

    1. 1Fault

    2. 2Finding the cause

      Not stated

    3. 3CorrectionNot repaired

      THE VEHICLE WAS NOT REPAIRED.

    Read the sentences of the record
    Fault
    THE CONTACT STATED THAT FUEL FUMES EMITTED AROUND THE VEHICLE.
    Remedy
    THE VEHICLE WAS NOT REPAIRED.
    Inspection
    THE CONTACT MENTIONED AFTER INSPECTING THE VEHICLE THERE WERE NO VISIBLE LEAKS.

ENGINE1

  1. Manufacturer communication2000–2006 GMC YUKON DENALI ・ 2024-07-16(3 earlier editions of this document folded here)

    Fuel Injection Cleaner Kit Service Bulletin

    1. 1Fault

      • Rough idle, crank no start, extended crank or misfire, with the engine warning lamp on and DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307 or P0308 set.
      • When the engine is cold, compression on multiple cylinders may be zero.
      • The engine may pop through the intake or exhaust while cranking, and the spark plugs may be fuel fouled.

    2. 2Finding the cause

      Possible causes

      • Major carbon build-up on the intake and/or exhaust valves from fuel contamination or incomplete burning of the fuel; misfires should not appear before at least 8,000 km (5,000 mi).

    3. 3Correction

      Repair

      1. If there is no valve damage and no cam follower out of place, perform the cleaning procedure to free sticking valves and remove carbon from the valves and pistons.
      2. If valves are damaged or cam followers are out of place, make the engine mechanical repairs first and then perform the cleaning procedure to prevent a return.
      3. Fill Cleaner Kit J-35800-A with about 650 ml (22 oz, 2 cans) of Air Intake, Combustion Chamber Cleaner and set the air pressure at the tool to 260 kPa (40 psi).
      4. With GDS 2 or a scan tool, command engine idle to 2000 rpm so the engine does not stall.
      5. With the engine at operating temperature in a well-ventilated area, slowly and carefully induce the cleaner into the engine, taking about 3 minutes.

      Parts

      • The Top Engine Cleaning Kit (ACDelco Air Intake, Valve and Combustion Chamber Cleaner and ACDelco Fuel System Cleaner 44K) is 19435372 for the U.S. and Canada.

      Part numbers printed in the document

      The numbers are as the document prints them. The name and the replacing number are what the pages of GMPartsGiant, a reseller of genuine parts and not GM, state. Aftermarket equivalents are not checked here (the links only search by number). Confirm the fit for the vehicle (VIN) before ordering.

      Caution

      • Inducing too much cleaner at too low an RPM, or stalling the engine with too much cleaner at once, may hydro-lock the engine and bend a connecting rod.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to GM passenger cars and trucks with gasoline engines only, model years 2000 to 2025.
    • Condition：Rough idle, crank no start, extended crank or misfire, with the engine warning lamp on and DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307 or P0308 set.
    • Condition：When the engine is cold, compression on multiple cylinders may be zero.
    • Condition：The engine may pop through the intake or exhaust while cranking, and the spark plugs may be fuel fouled.
    • Cause：Major carbon build-up on the intake and/or exhaust valves from fuel contamination or incomplete burning of the fuel; misfires should not appear before at least 8,000 km (5,000 mi).
    • Repair：If there is no valve damage and no cam follower out of place, perform the cleaning procedure to free sticking valves and remove carbon from the valves and pistons.
    • Repair：If valves are damaged or cam followers are out of place, make the engine mechanical repairs first and then perform the cleaning procedure to prevent a return.
    • Caution：Inducing too much cleaner at too low an RPM, or stalling the engine with too much cleaner at once, may hydro-lock the engine and bend a connecting rod.
    • Repair：Fill Cleaner Kit J-35800-A with about 650 ml (22 oz, 2 cans) of Air Intake, Combustion Chamber Cleaner and set the air pressure at the tool to 260 kPa (40 psi).
    • Repair：With GDS 2 or a scan tool, command engine idle to 2000 rpm so the engine does not stall.
    • Repair：With the engine at operating temperature in a well-ventilated area, slowly and carefully induce the cleaner into the engine, taking about 3 minutes.
    • Parts：The Top Engine Cleaning Kit (ACDelco Air Intake, Valve and Combustion Chamber Cleaner and ACDelco Fuel System Cleaner 44K) is 19435372 for the U.S. and Canada.

    Open the manufacturer’s document (PDF) ↗ The points above were read from this document.

    Remedy
    This service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.

ENGINE AND ENGINE COOLING1

  1. Manufacturer communication2000–2006 GMC YUKON DENALI ・ 2017-08-15(1 earlier editions of this document folded here)

    Engine Check Lamp P0442 Evaporative Emissions System Notification

    1. 1Fault

      • The service engine soon lamp (MIL) is on for DTC P0442, but a leak cannot be verified with the system test in the service information.

    2. 2Finding the cause

      Steps to confirm (in the document’s order)

      1. With the scan tool, command the EVAP system CLOSED, start the engine and watch the tank pressure sensor value for about two minutes.
      2. If the tank pressure value changes (shows vacuum), remove the purge solenoid and pressurize its fuel tank side with the GE 41413-A / J 41413-A tester.
      3. If the tank pressure value does not change, install the CH-48096 adaptor between the purge line from the canister and the purge solenoid; use no other adaptor or pressurization method.
      4. With the EVAP system CLOSED, pressurize through the adaptor and let the system stabilize, watching the gauge for at least 5 minutes, then add smoke.
      5. Look for smoke or UV trace fluid at the purge solenoid, the engine side, the fuel cap or capless fill door, and the canister vent solenoid filter or fresh-air line.
      1 more points

    3. 3Correction

      Repair

      • If smoke passes through the purge solenoid, replace the purge solenoid.

      Caution

      • After verifying P0442, do not disturb any fuel system component before testing.
      • Test pressure must not exceed 13 in H2O (0.5 PSI (= 3.45 kPa)); more can make components perform inaccurately and lead to misdiagnosis.
      • A large temperature difference between vehicle, shop and tester seriously affects accuracy; let the vehicle adjust to shop temperature first.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to 2016 and prior passenger cars and trucks.
    • Condition：The service engine soon lamp (MIL) is on for DTC P0442, but a leak cannot be verified with the system test in the service information.
    • Caution：After verifying P0442, do not disturb any fuel system component before testing.
    • Confirm：With the scan tool, command the EVAP system CLOSED, start the engine and watch the tank pressure sensor value for about two minutes.
    • Confirm：If the tank pressure value changes (shows vacuum), remove the purge solenoid and pressurize its fuel tank side with the GE 41413-A / J 41413-A tester.
    • Repair：If smoke passes through the purge solenoid, replace the purge solenoid.
    • Confirm：If the tank pressure value does not change, install the CH-48096 adaptor between the purge line from the canister and the purge solenoid; use no other adaptor or pressurization method.
    • Confirm：With the EVAP system CLOSED, pressurize through the adaptor and let the system stabilize, watching the gauge for at least 5 minutes, then add smoke.
    • Confirm：Look for smoke or UV trace fluid at the purge solenoid, the engine side, the fuel cap or capless fill door, and the canister vent solenoid filter or fresh-air line.
    • Confirm：If smoke testing finds nothing, the leak may exist only under vacuum: use the scan tool Purge/Seal function to pull a vacuum and watch the FTP sensor parameter for vacuum decay.
    • Caution：Test pressure must not exceed 13 in H2O (0.5 PSI (= 3.45 kPa)); more can make components perform inaccurately and lead to misdiagnosis.
    • Caution：A large temperature difference between vehicle, shop and tester seriously affects accuracy; let the vehicle adjust to shop temperature first.

    Open the manufacturer’s document (PDF) ↗ The points above were read from this document.

    Remedy
    This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp. Technician may find Diagnostic Trouble Code P0442. Technician will need to review Techlink article from May 2013 titled "Using the Evaporative Emissions System Tester" Technician will need to follow these steps to help diagnose the issue. First after the P0442 has been verified do not disturb any of the fuel system components. The technician now can use the scan tool to close the Evaporative Emissions System. If possible change the tank pressure sensor units from inch_H2O to milimeter_Hg for better resolution. Now the vehicle can be stared to monitor the tank pressure sensor output value for approximately two minutes. If the tank pressure sensor value does change, pressurize the fuel tank side of the purge solenoid with the GE 41413-A / J 41413-A and the necessary adaptors. Now add smoke and allow pressure to stabilize for 2 minutes. If smoke is allowed to pass through the purge solenoid, replace the purge solenoid. If the tank pressure sensor value does not change, then install CH-48096 adaptor between the purge line from the canister and the purge solenoid. With the Evaporative Emissions System closed, pressurize the system through the CH-48096 adaptor and allow the system to completely stabilize, by observing the Press / Vac Gauge for a minimum of 5 minutes. Now add smoke to the system with GE 41413-A / J 41413-A after system stabilization. Now inspect the purge solenoid, engine side, fuel cap, canister vent solenoid filter and any line quick connects. When the leak is unable to be located, test under a vacuum condition. his type of leak may be detected by using the scan tool Purge/Seal function to create a vacuum in the Evaporative Emissions System and then observe the FTP sensor parameter for vacuum decay.

EQUIPMENT1

  1. Manufacturer communication2000–2006 GMC YUKON ・ 2022-04-05

    Fuel Injector Maintenance Cleaning Service Bulletin

    1. 1Fault

      • Use the detergent fuel additives when the vehicle shows loss of power, diminished performance, frequent stalls or no starts, or a noted decrease in fuel economy.

    2. 2Finding the cause

      Not stated

    3. 3Correction

      Repair

      1. The only preventative maintenance GM endorses for gasoline engine fuel systems is GM Fuel System Treatment PLUS added to a tank of fuel at each oil change.
      2. Regular use of a TOP TIER Detergent Gasoline helps prevent the build-up of intake valve and fuel injector deposits.

      Parts

      • Part number 88865595 (88865598 for Canada): CLEANER, FUEL SYSTEM TREATMENT 12 OZ. (GASOLINE).
      • Part number 88865596 (88865599 for Canada): CLEANER, FUEL SYSTEM TREATMENT 12 OZ. (FLEX FUEL).

      Part numbers printed in the document

      The numbers are as the document prints them. The name and the replacing number are what the pages of GMPartsGiant, a reseller of genuine parts and not GM, state. Aftermarket equivalents are not checked here (the links only search by number). Confirm the fit for the vehicle (VIN) before ordering.

      Caution

      • GM does not endorse, support or acknowledge the need for fuel injector cleaning as a preventative maintenance procedure.
      • Fuel injector cleaning is approved only when a published GM driveability or DTC diagnostic service procedure directs it.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to 2022 and earlier GM passenger cars and trucks.
    • Caution：GM does not endorse, support or acknowledge the need for fuel injector cleaning as a preventative maintenance procedure.
    • Caution：Fuel injector cleaning is approved only when a published GM driveability or DTC diagnostic service procedure directs it.
    • Repair：The only preventative maintenance GM endorses for gasoline engine fuel systems is GM Fuel System Treatment PLUS added to a tank of fuel at each oil change.
    • Repair：Regular use of a TOP TIER Detergent Gasoline helps prevent the build-up of intake valve and fuel injector deposits.
    • Condition：Use the detergent fuel additives when the vehicle shows loss of power, diminished performance, frequent stalls or no starts, or a noted decrease in fuel economy.
    • Parts：Part number 88865595 (88865598 for Canada): CLEANER, FUEL SYSTEM TREATMENT 12 OZ. (GASOLINE).
    • Parts：Part number 88865596 (88865599 for Canada): CLEANER, FUEL SYSTEM TREATMENT 12 OZ. (FLEX FUEL).

    Open the manufacturer’s document (PDF) ↗ The points above were read from this document.

    Remedy
    This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.

FUEL SYSTEM, DIESEL1

  1. Manufacturer communication2001–2006 GMC YUKON DENALI ・ 2018-04-16

    Fuel Efficiency and Maintenance Information

    1. 1Fault

      Not stated

    2. 2Finding the cause

      Not stated

    3. 3Correction

      Repair

      • Top Tier detergent gasolines are preferable where available; they help keep the fuel injectors and intake valves free of deposits.

      Parts

      • The only fuel additive approved by GM is GM Fuel System Treatment Plus, P/N 88861262 (12 oz) or 88861013 (20 oz); in Canada P/N 88861012.

      Part numbers printed in the document

      The numbers are as the document prints them. The name and the replacing number are what the pages of GMPartsGiant, a reseller of genuine parts and not GM, state. Aftermarket equivalents are not checked here (the links only search by number). Confirm the fit for the vehicle (VIN) before ordering.

      Caution

      • Never put kerosene or diesel fuel in a gasoline engine vehicle; it may cause inconsistent performance and permanent damage not covered by the New Vehicle Warranty.
      • Never use acetone, ketone or methanol additives; some of these solvents may damage or corrode the fuel system.
      • GM vehicles do not require additional engine oil additives; some additives may harm the internal seals and void the warranty.
      • Gasoline engines not designated for E85 are designed for fuel with no more than 10% ethanol; more than 10% can cause driveability issues, service engine soon indicators and increased fuel system corrosion.
      • Higher octane fuel in a vehicle that only requires regular unleaded will neither increase performance nor improve gas mileage.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：2014 and prior GM passenger cars and trucks.
    • Caution：Never put kerosene or diesel fuel in a gasoline engine vehicle; it may cause inconsistent performance and permanent damage not covered by the New Vehicle Warranty.
    • Caution：Never use acetone, ketone or methanol additives; some of these solvents may damage or corrode the fuel system.
    • Parts：The only fuel additive approved by GM is GM Fuel System Treatment Plus, P/N 88861262 (12 oz) or 88861013 (20 oz); in Canada P/N 88861012.
    • Caution：GM vehicles do not require additional engine oil additives; some additives may harm the internal seals and void the warranty.
    • Caution：Gasoline engines not designated for E85 are designed for fuel with no more than 10% ethanol; more than 10% can cause driveability issues, service engine soon indicators and increased fuel system corrosion.
    • Caution：Higher octane fuel in a vehicle that only requires regular unleaded will neither increase performance nor improve gas mileage.
    • Repair：Top Tier detergent gasolines are preferable where available; they help keep the fuel injectors and intake valves free of deposits.

    Open the manufacturer’s document (PDF) ↗ The points above were read from this document.

    Remedy
    This informational bulletin provides information on how to save fuel and proper maintenance without using fuel or oil additives.

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