Ignition System
WARNING: This page is about a different car, the 2003 Cadillac Seville and 2003 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.
- Inspect the operation of the Crankshaft Position (CKP) sensors "A" and "B".
- Test for proper ignition voltage output using the J 26792 Spark Tester.
- Inspect for damaged ignition coils within the ignition coil module assemblies.
- Inspect for damaged or misaligned spark plug boots.
- Inspect for a mission or damaged ignition module ground spring.
- Inspect the spark plugs.