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GMC Yukon XL 2000–2006

GMC Yukon XLModel 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:Loss of engine power, no accelerationGauge or instrument faultStalls or shuts offWarning light

issueReduced Engine Power from throttle body connector crimp, broken wire or groundsRemove

Record by record

3 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.

Work done

How it is said to have ended

  • says it held for a while1
  • says it came back2
  • says it did not fix it6

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 (3)

Known issuesReduced Engine Power from throttle body connector crimp, broken wire or grounds3

  1. Owner complaint2003 GMC YUKON XL 2500 ・ 2010-03-10

    Service engine light and reduced power mode episodes since November 2008

    1. 1Fault

    2. 2Finding the cause

      Not stated

    3. 3Correction

    Read the sentences of the record
    Fault
    SINCE NOVEMBER 2008, MY 2003 GMC YUKON XL 2500 HAS HAD EPISODES WHERE THE SERVICE ENGINE LIGHT COMES ON AND THE ENGINE GOES INTO REDUCED POWER MODE.
    Remedy
    I HAVE TAKEN IT TO NUMEROUS GM DEALERS TO FIX THE PROBLEM, AND THEY HAVE REPLACED THE THROTTLE BODY ASSEMBLE AND WIRING HARNESS MULTIPLE TIMES AND THE PROBLEM KEEPS RECURRING.
    Consequence
    THERE HAVE BEEN MANY CLOSE EPISODES WHERE WE WERE ALMOST IN AN ACCIDENT.

  2. Owner complaint2003 GMC YUKON XL 1500 ・ 2015-02-23

    Reduced engine power and service engine soon signals appearing repeatedly since September 2014

    1. 1Fault

    2. 2Finding the cause

      Not stated

    3. 3Correction

    Read the sentences of the record
    Fault
    "REDUCED ENGINE POWER" AND SERVICE ENGINE SOON SIGNALS APPEAR ON VEHICLE PANEL CAUSING ENGINE POWER TO BE REDUCED IN A MATTER OF SECONDS.
    Remedy
    THROTTLE BODY SENSOR REPLACED TWICE, THROTTLE BODY HARNESS REPLACED, ALL WIRES, AND SENSORS HAVE BEEN CLEANED AND THOROUGHLY INSPECTED.

  3. Owner complaint2003 GMC YUKON XL 1500 ・ 2015-09-15

    Reduced engine power display and accelerator loss

    1. 1Fault

    2. 2Finding the cause

      Not stated

    3. 3Correction

    Read the sentences of the record
    Fault
    I KEEP HAVING THE DISPLAY SAY "REDUCED ENGINE POWER". (2 more)