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Engine Controls - Self-Diagnostics: Introduction

NOTE: Diagnostic testing information for all Diagnostic Trouble Codes (DTCs) is not available.

To properly diagnose and repair this vehicle, follow TESTING PROCEDURE  under SELF-DIAGNOSTIC SYSTEM. If no Diagnostic Trouble Codes (DTC) are present and a no-start condition exists, see BASIC DIAGNOSTIC PROCEDURES article. If no DTCs are present and a driveability condition exists, see TROUBLE SHOOTING - NO CODES article for diagnosis by symptom (i.e., ROUGH IDLE, ENGINE STALLS, etc.).