Section 11 (Engine Controls - Self-Diagnostics - EEC-IV): Introduction
WARNING: This page is about a different car, the 1994 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.
Perform all steps in BASIC TESTING article in this section. If no fault is found while performing BASIC TESTING procedures, proceed with self-diagnostics. If no service code or only pass codes are found during self-diagnostics, proceed to the appropriate TESTS W/O CODES article for diagnosis by symptoms.