Engine Controls - Basic Testing - 2.3L Turbo: Summary

If no faults were found while performing steps in BASIC TESTING , proceed to TESTS W/CODES - 2.3L TURBO article. If no hard codes are found in self-diagnostics, (if vehicle has self-diagnostic system) see TESTS W/O CODES - 2.3L TURBO article for diagnosis by symptom (i.e., ROUGH IDLE, NO START, etc.) or intermittent diagnostic procedures.