Section 20 (Engine Controls - Tests W/Codes - 4.6L): Introduction

WARNING: This page is about a different car, the 1998 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.

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

Perform all BASIC DIAGNOSTIC PROCEDURES in BASIC TESTING - 4.6L 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 article for diagnosis by symptom.