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Engine Controls - Tests W/Codes - 3.8L: Introduction

NOTE: Vehicles use EEC-V (104-pin PCM) system.

Perform all BASIC DIAGNOSTIC PROCEDURES in BASIC TESTING article. If no fault is found while performing BASIC DIAGNOSTIC PROCEDURES, proceed with self-diagnostics. If no diagnostic trouble codes or only pass codes are found during self-diagnostics, proceed to TESTS W/O CODES - 3.8L article for diagnosis by symptom.

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