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Selected vehicle: 2006 · GMC Yukon XL Denali

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Source reference 10111977

Manufacturer communication — 2006 GMC YUKON DENALI XL

Fitment confirmedReporter type: ManufacturerENGINE

Relation to the target vehicle

  • The source's vehicle field includes the trim.
Model year
Match 2006 — Source vehicle field
Model
Match YUKON DENALI XL — Source vehicle field
Trim
Match Denali — Source vehicle field

What the manufacturer’s document says

PIP5169 ・ fault and correction ・ names this vehicle

Applies to

  • The model list includes the 1999-2013 GMC Savana, Sierra and Yukon.

    the passage
    1999-2013 GMC Savana, Sierra, Yukon

  • The listed models are covered when they have a V8 engine.

    the passage
    with a V8 engine

Fault

  • DTC P0300 sets after engine repairs.

    the passage
    DTC P0300 Setting After engine Repairs.

  • The engine misfire may not be detected and may happen during deceleration.

    the passage
    The engine misfire may not be detected and may happen during deceleration.

Finding the cause

Possible causes

  • The injector connectors for cylinders 5-7 and 6-8 can be crossed, which causes an engine misfire.

    the passage
    It is possible to have injector connectors crossed for cylinder 5-7 and 6-8 to cause an engine misfire.

Steps to confirm (in the document’s order)

  • If crossed injector connectors are a possible cause, use the applicable SI document to validate the injector connector routing.

    the passage
    If you have determined crossed injector connectors maybe a possible case, use the applicable SI document to validate the injector connector routing.

Correction

Repair

  • Correct the injector connector routing and evaluate for the concern.

    the passage
    Correct the injector connector routing and evaluate for the concern.

Compiled by reading the full text of the document; each point stands on the passage shown. Check the document itself, linked below, before working on a vehicle.

Stated content

  1. Communication summary

    本暫定情報は、エンジン修理後に診断トラブルコードP0300が設定される車両について、技術者に情報を提供するものです。技術者は、シリンダー5-7および6-8のインジェクターコネクターが交差していないことを確認する必要があります。 Machine translation (unreviewed)

    This Preliminary Information communication provides information to the technician about vehicles that are setting Diagnostic Trouble Code P0300 after engine repairs. Technician will need to ensure that injector connectors for cylinder 5-7 and 6-8 are not crossed.
    Go to this passage in the original

Source

Source
NHTSA Manufacturer Communications
Source reference
10111977
Received by source
2017-08-15
Incident date
Unknown

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