Section 35 (Engine Control System - Self-Diagnostics - 4.6L): Summary
WARNING: This page is about a different car, the 2001 Cadillac Seville, 2001 Cadillac Eldorado, and 2001 Cadillac DeVille. 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, diagnose by symptom. See appropriate TROUBLE SHOOTING - NO CODES article for diagnosis by symptom (i.e., ROUGH IDLE, ENGINE STALLS, etc.).