Engine Controls - Tests W/Codes - 2.5L: Introduction

NOTE: For information on 2.0L A/T, see TESTS W/CODES - 2.0L A/T article in the ENGINE PERFORMANCE section. For information on 2.0L M/T, see TESTS W/CODES - 2.0L M/T article in the ENGINE PERFORMANCE section.

If no faults were found while performing BASIC DIAGNOSTIC PROCEDURES, 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.).