Diagnostic Aids
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2002 Pontiac Grand Prix, 2002 Pontiac Bonneville, 2002 Chevrolet Monte Carlo, 2002 Chevrolet Impala, and 2002 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
Inspect for the following conditions:
- Incorrect harness routing near secondary ignition components.
- Faulty ignition coil. Remove the ignition coils and inspect the ignition control module and coils for cracks, for carbon tracking, or for other signs that indicate that the coil secondary circuit is arcing to the ICM or ICM wiring harness.
- Secondary ignition wires arcing to wiring harness. Inspect the secondary ignition wires for carbon tracking or for other signs of damage.
- Poor Connections.