Section 125 (Engine Controls - Basic Testing - 3.8L): Summary
WARNING: This page is about a different car, the 1995 Mercury Sable, 1995 Mercury Cougar, 1995 Ford Thunderbird, and 1995 Ford Taurus. However, it is still accessible from the selected car via links, so may be relevant.
If no faults were found while performing BASIC DIAGNOSTIC PROCEDURES, proceed to the TESTS W/CODES - EEC-IV (3.8L) article. If no hard codes are found in self-diagnostics, proceed to the appropriate TESTS W/O CODES - EEC-IV (3.8L) article for diagnosis by symptom (i.e., ROUGH IDLE, NO START, etc.) or intermittent diagnostic procedures.