Engine Controls - Tests W/Codes - 2.0L/2.0L Turbo: Introduction

If no faults were found while performing procedures in appropriate BASIC TESTING article, proceed with self-diagnostics. If no fault codes or only pass codes are present after entering self-diagnostics, proceed to TESTS W/O CODES article in the ENGINE PERFORMANCE section for diagnosis by symptom (i.e., ROUGH IDLE, NO START, etc.).