Section 4 (Engine Controls - Tests W/Codes - 1.8L): Introduction
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If no faults were found while performing BASIC DIAGNOSTIC PROCEDURES in the BASIC TESTING - 1.8L article, proceed with self-diagnostics. If no fault codes or only pass codes are present after entering self-diagnostics, see the TESTS W/O CODES - 1.8L article for diagnosis by symptom (i.e., ROUGH IDLE, NO START, etc.).