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.
- Test Crankshaft Position (CKP) sensor "A" and "B" for proper operation.
- Inspect the Ignition Control (IC) circuits at each ignition module assembly for poor connections, damage or misrouting.
- Inspect the ignition coils for damage.
- Inspect the spark plug boots for misalignment and damage.
- Inspect for a damaged or missing ground spring at each ignition module assembly.
- Inspect the spark plugs.