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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 421 (Engine Control System Self-Diagnostics - 3.8L) >> Diagnostic Tests >> DTC P0300-P0306: Engine Misfire Detected >> Test Description

Test Description

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

  1. 2

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