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GMC Yukon 2000–2006

GMC YukonModel years 2000–2006

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1 conditions added

Common on this vehicle:Misfire or rough idle

issueSlight roughness at idle with no DTCs (possible characteristic)Remove

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Known issuesSlight roughness at idle with no DTCs (possible characteristic)1

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

    Rough Idle Preliminary Information

    1. 1Fault

      • Customers may complain of a slight rough idle with no DTCs or other engine performance concerns, and comparison vehicles may show the same concern.
      • In some instances an occasional misfire registers on the Tech 2 at idle, but no DTCs are stored.

    2. 2Finding the cause

      Steps to confirm (in the document’s order)

      • Compare the concern to a like vehicle; if it is worse than the like vehicle, complete SI diagnosis and repair as necessary.

    3. 3Correction

      Caution

      • If SI diagnosis for Rough, Unstable, or Incorrect Idle is inconclusive, or the concern is the same as on the like vehicle, treat it as an idle characteristic of the vehicle and attempt no repairs.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to 1999-2013 GMC Savana, Sierra and Yukon (among many other listed GM models) with a V-8 gas engine (note: the Yukon range runs to 2013).
    • Condition：Customers may complain of a slight rough idle with no DTCs or other engine performance concerns, and comparison vehicles may show the same concern.
    • Condition：In some instances an occasional misfire registers on the Tech 2 at idle, but no DTCs are stored.
    • Confirm：Compare the concern to a like vehicle; if it is worse than the like vehicle, complete SI diagnosis and repair as necessary.
    • Caution：If SI diagnosis for Rough, Unstable, or Incorrect Idle is inconclusive, or the concern is the same as on the like vehicle, treat it as an idle characteristic of the vehicle and attempt no repairs.

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

    Remedy
    This Preliminary Information communication provides information to the technician vehicles with a slight rough idle. Technician should compare the concern with a like vehicle. If the concern is worse than a like vehicle, technician should follow published Service Information diagnosis and repair as necessary.