Section 1 (Engine Controls - Tests W/Codes - 1.6L): Introduction

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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.).

NOTE: Trouble codes are also called Diagnostic Trouble Codes (DTC).