Section 70 (Engine Controls - Self-Diagnostics - 4.0L): Summary
WARNING: This page is about a different car, the 2002 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
If no Diagnostic Trouble Codes (DTC) are present and a no-start condition exists, diagnose no-start condition. See appropriate BASIC DIAGNOSTIC PROCEDURES article. If no DTCs are present and a driveability condition exists, proceed to appropriate TROUBLE SHOOTING - NO CODES article for diagnosis by symptom (i.e., ROUGH IDLE, ENGINE STALLS, etc.).