Ignition System Checks
- Check ignition system secondary output using Spark Tester (J 26792), or equivalent. See ELECTRONIC IGNITION SYSTEM DIAGNOSIS under IGNITION SYSTEMS in SYSTEM & COMPONENT TESTING - 1.8L VIBE article.
- Inspect spark plugs for correct operation and good ignition system performance.
- Check for bare or shorted ignition system wiring.
- Check for loose ignition coil connections.