Symptom Checks

Check the following items:

• Perform QUICK TEST. See appropriate TESTS W/CODES - EEC-V article below. If code is present, perform appropriate CIRCUIT TEST.
• TESTS W/CODES - EEC-V (3.0L)
• TESTS W/CODES - EEC-V (3.8L)
• Check radiator cooling fan operation.
• Check base timing. See appropriate ADJUSTMENTS article below.
• ADJUSTMENTS - 3.0L
• ADJUSTMENTS - 3.8L
• Check gauges/senders.
• Check for brake drag.
• Check transmission for overheating.