Engine Controls - Trouble Shooting - No Codes: Symptoms: Backfires
- Check for vacuum leaks.
- Check ignition system. See TEST JB under SYSTEM TESTS in SELF-DIAGNOSTICS - VILLAGER article.
- Check intake air system. See TEST HU under SYSTEM TESTS in SELF-DIAGNOSTICS - VILLAGER article.
- Check engine compression and mechanical condition.
- Check fuel delivery system. See TEST HC under SYSTEM TESTS in SELF-DIAGNOSTICS - VILLAGER article.
- Check exhaust system. See TEST HF under SYSTEM TESTS in SELF-DIAGNOSTICS - VILLAGER article.