Engine Controls - Basic Testing - 3.8L: Summary

If no faults were found while performing procedures in BASIC DIAGNOSTIC PROCEDURES article, go to TESTS W/CODES - EEC-V (3.8L) article in the ENGINE PERFORMANCE section. If no hard codes are found in self-diagnostics, proceed to TESTS W/O CODES - EEC-V article for diagnosis by symptom (i.e., ROUGH IDLE, NO START, etc.) or intermittent diagnostic procedures.