Section 15 (Engine Controls - Tests W/Codes): Summary
WARNING: This page is about a different car, the 1998 Acura Integra. However, it is still accessible from the selected car via links, so may be relevant.
If no hard trouble codes (or only pass codes) are present, driveability symptoms exist or intermittent Diagnostic Trouble Codes (DTCs) exist, proceed to TESTS W/O CODES article for diagnosis by symptom (i.e., ROUGH IDLE, NO START, etc.) or intermittent diagnostic procedure.