Engine Controls - Basic Testing: Summary

If no faults were found while performing BASIC TESTING, proceed to appropriate article as listed below:

• 1.8L, see: TESTS W/CODES - 1.8L
• 2.2L, see: TESTS W/CODES - 2.2L

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