Engine Controls - Basic Testing - 2.2L: Summary

If no faults were found while performing BASIC DIAGNOSTIC PROCEDURES, proceed to TESTS W/CODES - 2.2L article. If no hard codes are found in self-diagnostics, see TESTS W/O CODES - 2.2L article for diagnosis by symptom (i.e., ROUGH IDLE, NO-START, etc.), or intermittent diagnostic procedures.