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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 425 (Engine Controls - Self-Diagnostics) >> Diagnostic Tests >> DTC P0300-P0308: Engine Misfire Detected >> Test Description

Test Description

WARNING: This page is about a different car, the 2003 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.

The numbers below refer to the step number in the diagnostic procedures.

  1. 2

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

  2. 3

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