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

NOTE: For information on MX-6 2.0L A/T and 626 2.0L A/T, see TESTS W/CODES - MX-6 & 626 2.0L A/T article. For information on MX-6 2.0L M/T and 626 2.0L M/T, see TESTS W/CODES - MX-6 & 626 2.0L M/T article.

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