Difficult To Start When Hot
- Check water temperature sensor circuit. See CODE 22 in TESTS W/CODES article.
- Check fuel quality.
- Check idle speed control valve. See SYSTEM/COMP TESTS article.
- Check fuel pressure control system.
- Check intake air temperature sensor circuit. See CODE 24 in TESTS W/CODES article.
- Check cold start system. See SYSTEM/COMP TESTS article.
- Check fuel pump and fuel pressure regulator. See SYSTEM/COMP TESTS article.
- Check fuel lines for damage.
- Check fuel injectors. See SYSTEM/COMP TESTS article.
- Check ECU. See SYSTEM/COMP TESTS article.