Engine Controls - Basic Testing - 2.5L V6: Summary
If no faults were found while performing basic diagnostic procedures, proceed to appropriate G - TESTS W/CODES - 2.5L V6 article. If no hard codes are found in self-diagnostics, proceed to H - TESTS W/O CODES article for diagnosis by symptom (i.e., ROUGH IDLE, NO-START, etc.) or intermittent diagnostic procedures.