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