No Initial Combustion
- Check ECU. See ECU POWER SOURCE CIRCUIT chart in TESTS W/CODES article.
- Check ignition signal circuit. See SPARK TEST in BASIC TESTING article.
- Check fuel system circuit. See FUEL SYSTEM CIRCUIT chart in TESTS W/CODES article.
- Check ignition coil. See SYSTEM/COMP TESTS article.
- Check spark plugs.
- Check injectors. See INJECTOR CIRCUIT chart in TESTS W/CODES article.
- Check engine compression.
- Check cold start injector. See COLD START INJECTOR CIRCUIT chart in TESTS W/CODES article.
- Check RPM signal circuit. See CODE 12, CODE 17 and CODE 18 in TESTS W/CODES article.
- Check engine for mechanical failure.
- Check ECU. See SYSTEM/COMP TESTS article.