2011 Ford F-250 Super Duty
6.7L Power Stroke V8 Turbo Diesel
Failure: Fuel rail pressure sensor (approx. 1”x1”x2”)
Symptom: External diesel leak through vertical housing crack
Pressure loss: Low-side return circuit
ECM response: Fuel pressure fault triggered, dash warning active
Conditions: 96°F ambient, sustained 60 MPH, towing 7000 lb load
Leak vector: Direct ejection from sensor body, not injector or return fitting
Mitigation: Sensor unplugged and replaced; leak resolved
Next steps: Monitor fuel rail pressure, verify ECM code clearance
Mileage at failure: 205,000 miles
Fuel system status: Stable post-replacement, no further leakage detected
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