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GMC Yukon XLModel years 2000–2006

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← Look into the faults of the GMC Yukon XL

Symptom

Does not start: possible causes and documented repairs — 2000–2006 GMC Yukon XL

Of the records of the 2000–2006 GMC Yukon XL, 35 state “Does not start” (Owner complaint: 18, Manufacturer communication: 17). The technical documents say how to deal with 6 of its possible causes. They are listed by the number of matching records, most first.

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Causes the technical documents say how to deal with (6)

  1. Out of fuel with the gauge reading above empty, cranks but no start, stall (replace the fuel sensor, not the sender module)

    3 matching records

    What to do

    1. Replace the fuel sensor.

    All steps, part numbers and sources (1 sources) →

  2. Intake manifold gasket leak (cold idle misfire, lean codes)

    1 matching record

    The bulletin describes a cold engine idle misfire with DTCs P0171, P0174 or P0300.

    The bulletin states the intake gasket seals may leak around the intake ports, causing the lean condition.

    How to tell

    What to do

    1. The seals may leak around the bottom side of the port, which makes the vacuum leak hard to detect.
    2. Lower-than-normal MAF readings may be seen if the intake seals are leaking.
    3. An intake manifold with warpage in excess of 3mm (.118 in.) over a 200mm (7.87-in.) area must be replaced.
    4. Measure the intake manifold for warpage across two runner ports only.

    5 more steps ·All steps, part numbers and sources (3 sources) →

  3. Engine Valve: clogged or contaminated

    1 matching record

    The manufacturer’s documents and the records →

  4. Crankshaft position sensor may work intermittently or fail (8.1L V8) - recall 07V-521

    No matching record (stated by the technical documents)

    The crankshaft position can operate intermittently or fail completely.

    With intermittent operation the SES light may illuminate and the vehicle may run rough.

    How to tell

    What to do

    1. Dealers replace the crankshaft position sensor.
    2. As the remedy, an improved CKP is installed.
    3. The repair listed for the claim is: replace the crankshaft position sensor and perform the Crankshaft Position System Variation Learn.
    4. Part: 12575172 Sensor, Crankshaft Position, quantity 1 per vehicle.

    All steps, part numbers and sources (3 sources) →

  5. Fuel module reservoir assembly: fuel pump wire connectors may overheat - recall 05V-155

    No matching record (stated by the technical documents)

    The fuel module reservoir assemblies contain fuel pump wire connectors that may overheat under certain operating conditions.

    The terminals in the 4-wire electrical connector at the top of the fuel pump assembly may suffer fretting and high resistance.

    How to tell

    What to do

    1. On-board emissions diagnostics may detect holes of approximately 0.040 inches (= 1.02 mm) or more and set a service engine soon warning light. The connector sits below the fuel level when the tank is full.
    2. Dealers remove the fuel tank and the module reservoir assemblies and install a new service kit.
    3. The bulletin explains how to install repair kit 15824379 on the fuel pump assembly; the kit contains replacement electrical connectors, a replacement fuel level sensor, related hardware and instructions.
    4. Installing the replacement connector components in the cover is a new procedure; the fuel level sensor is replaced by the existing SI procedure, but the float assembly is re-used, which is new.

    5 more steps ·All steps, part numbers and sources (4 sources) →

  6. Passlock theft deterrent: starts then stalls / no-start with security lamp

    No matching record (stated by the technical documents)

    A magnet in the ignition cylinder produces a unique voltage across a Hall effect sensor in the ignition housing; the BCM and lock cylinder enable starting.

    If the voltage matches the stored value, the BCM signals the PCM to enable fuel.

    How to tell

    What to do

    1. A security lamp flashing after an attempted start means the fuel disable command is active.
    2. A scan tool parameter showing 'fuel system disabled' or similar indicates a Passlock issue.
    3. Monitor the Passlock Data Voltage for approximately one minute; the voltage value should not change by more than .02 volt.
    4. If the voltage does not change from 5 volts, check the ignition housing.

    1 more step ·All steps, part numbers and sources (3 sources) →

Causes only records name

Not in the technical documents: named as the cause in records. A cause written in a complaint is the owner’s judgment or what a dealer said, not a confirmed fact.

Related symptoms, trouble codes and warning displays

What the technical documents state together with the faults above.

Symptom
Gauge or instrument faultLeakSmoke or fireStalls or shuts offWarning light
Trouble code
B2960P0171P0174P0300P1631
Warning display
Check engine / Service Engine SoonSecurity light

Put together by FaultCrate from public records and technical documents. The cause and the repair are for the workshop to decide with the vehicle in front of it. Counts are records, not failure rates.