Section 18 (Engine Controls - Tests W/Codes - EEC-IV (3.0L)): Summary
WARNING: This page is about a different car, the 1994 Mercury Topaz, 1994 Mercury Sable, 1994 Ford Tempo, and 1994 Ford Taurus. However, it is still accessible from the selected car via links, so may be relevant.
If no diagnostic trouble code is present but driveability problem still exists, see TESTS W/O CODES - EEC-IV (3.0L) article in this section for symptom diagnostic or intermittent diagnosis procedures.