Engine Controls - Tests W/Codes - 7.5L: Introduction

NOTE: Unless otherwise specified, references to Pickup include the F350 Super Duty commercial chassis.

Perform all steps in BASIC TESTING article in the ENGINE PERFORMANCE Section. If no fault is found while performing BASIC DIAGNOSTIC PROCEDURES, proceed with self-diagnostics. If no service code or only pass codes are found during self-diagnostics, proceed to TESTS W/O CODES article in the ENGINE PERFORMANCE Section for diagnosis by symptoms.