Engine Controls - Tests W/Codes - EEC-IV (4.0L): Summary

If no diagnostic trouble code is present but driveability problem still exists, proceed to appropriate TESTS W/O CODES (EEC-IV) article in the ENGINE PERFORMANCE section for diagnosis by symptom or intermittent diagnostic procedures.

• TESTS W/O CODES - EEC-IV (for Aerostar)
• TESTS W/O CODES - EEC-IV (for Explorer)