F 350 4WD Super Duty V8-5.4L (2009)
Visual Inspection Chart
3. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
4. If the cause is not visually evident, verify the symptom and GO to Symptom Chart. See: Symptom Related Diagnostic Procedures/Upfitter Relay
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