Symptom Checks

Check the following items:

• Perform QUICK TEST. See appropriate TESTS W/CODES - EEC-V article below. If fault codes are present, perform appropriate CIRCUIT TEST.
• Check ignition system. See CIRCUIT TEST JB in appropriate TESTS W/CODES - EEC-V article below.
• Check fuel delivery system. See CIRCUIT TEST HC in appropriate TESTS W/CODES - EEC-V article below.
• Check exhaust system. See CIRCUIT TEST HF in appropriate TESTS W/CODES - EEC-V article below.
• TESTS W/CODES - EEC-V (3.0L)
• TESTS W/CODES - EEC-V (3.8L)
• Check engine compression and valve timing. Check engine mechanical condition.