Engine Controls - Basic Diagnostic Procedures - Except Diesel: Summary

If no faults were found while performing BASIC DIAGNOSTIC PROCEDURES, proceed to SELF-DIAGNOSTICS in SELF DIAGNOSTICS - EEC-V article. If no trouble codes are found in self-diagnostics, proceed to TROUBLE SHOOTING - NO CODES - EEC-V article for diagnosis by symptom (i.e., ROUGH IDLE, NO START, etc.) or intermittent diagnostic procedures.