Engine Controls - Basic Testing: Summary

If no faults were found while performing BASIC DIAGNOSTIC PROCEDURES, proceed to appropriate TESTS W/CODES article: TESTS W/CODES - 1.6L , TESTS W/CODES - 1.8L .

If no hard diagnostic trouble codes are found in self-diagnostics, proceed to appropriate TESTS W/O CODES article for diagnosis by symptom (i.e., ROUGH IDLE, NO START, etc.) or intermittent diagnostic procedures: TESTS W/O CODES - 1.6L , TESTS W/O CODES - 1.8L .