Diagnostic Aids

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.

If cause of NO-START - ENGINE CRANKS OKAY symptom has not been found, inspect for following conditions:

Hard starting only in cold ambient temperatures.
Correct cranking speed is 100 RPM cold and 180 RPM hot. A scan tool can be used to inspect cranking speed by pulling Ignition 1 relay and monitoring engine speed on scan tool while cranking.
Water or foreign material in fuel system.
A base engine mechanical fault.
If Crankshaft Position (CKP) sensor and Camshaft Position (CMP) sensor are disconnected or malfunctioning at the same time, a NO-START - ENGINE CRANKS OKAY condition will exist.