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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 131 (Engine Controls - Basic Diagnostic Procedures) >> No-Start Diagnosis >> No-Start - Engine Cranks Okay (4.2L) >> Test Description

Test Description

WARNING: This page does not describe the selected car, but rather 33 other vehicles, including the 2002 Saturn Vue, 2002 Pontiac Montana, 2002 Pontiac Aztek, 2002 Oldsmobile Silhouette, and 2002 Oldsmobile Bravada. 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

    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.

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