Section 5 (Engine Controls - Tests W/O Codes - 2.5L): Symptoms: Backfires
WARNING: This page is about a different variant/trim than selected.
- Perform QUICK TEST. See the TESTS W/CODES - 2.5L article.
- Check for vacuum leaks.
- Check ignition system. See CIRCUIT TEST JB in the TESTS W/CODES - 2.5L article.
- Check engine compression. Check engine mechanical condition. Check intake manifold, manifold gasket, camshaft and valves.
- Check exhaust system. See CIRCUIT TEST HF in the TESTS W/CODES - 2.5L article.
- Check fuel delivery system. See CIRCUIT TEST HC in the TESTS W/CODES - 2.5L article.