Diagnostic Aids

WARNING: This page is about a different car, the 2004 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.

Monitoring the fuel injector circuit status with a scan tool while moving the fuel injector harness may help to isolate an intermittent condition.
Performing the Fuel Injector Coil Test may help isolate an intermittent condition. Refer to Fuel Injector Coil Test .
For an intermittent condition, refer to Intermittent Conditions .