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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Basic Diagnostic Procedures >> No-Start Diagnosis >> No-Start - Engine Cranks Okay (4.2L) >> Test Description

Test Description

The numbers below refer to step numbers in diagnostic procedure.

  1. 8

    Crankshaft Position (CKP) sensor can fail in such a way that will cause engine to crank but will not run. Engine will be able to run by using CMP sensor when CKP sensor is disconnected.