Section 2 (Engine Controls - Tests W/Codes - 7.5L): Introduction

WARNING: This page is about a different variant/trim than selected.

NOTE: References to "F" Series 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 TESTING, 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.