Engine Controls - Tests W/Codes - PFI: 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, proceed to TESTS W/O CODES article for diagnosis by symptom (i.e. ROUGH IDLE, NO START, etc.).

NOTE: For any problems with abbreviations please see the ABBREVIATIONS article in the GENERAL INFORMATION Section.