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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 215 (Engine Controls - Basic Diagnostic Procedures - 4.2L) >> No-Start Diagnosis >> No-Start - Engine Cranks Okay >> Test Description

Test Description

WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

The numbers below refer to step numbers in diagnostic procedure.

  1. 8 -  The Crankshaft Position (CKP) sensor can fail in such a way that will cause engine to crank but will not run. The engine will be able to run by using cam sensor when CKP sensor is disconnected.

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