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Home >> Chevrolet >> 2003 >> Avalanche 2500, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self Diagnostics - 8.1L >> Diagnostic Tests >> DTC P0300-P0308: Engine Misfire Detected >> Test Description

Test Description

The numbers below refer to the step numbers in the diagnostic procedure.

  1. 2

    If the CKP variations are not within the learned values, the misfire counters may increment.

  2. 3

    DTC P0135 or P0155 can be set because of a misfire.

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