There are 7 owner-reported fuel system complaints for the 2003 Ford F-350in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
VEHICLE STALLED AT 55 MPH ON HIGHWAY. *TR
TL* THE CONTACT OWNS A 2003 FORD F-350. THE CONTACT STATED THAT SMOKE BEGAN EMERGING FROM UNDER THE HOOD. THE CONTACT TOOK THE VEHICLE TO THE DEALER FOR INSPECTION WHERE THEY STATED THAT THERE WAS A HOLE IN THE FUEL LINE AND DIESEL FUEL HAD LEAKED ONTO THE ENGINE. THE DEALER STATED THAT THE FUEL LINE NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED. THE FAILURE MILEAGE WAS 158,057.
HAVE FICM FAILURE AND MULTIPLE FUEL INJECTORS FAIL, WHEN TOOK TO DIESEL SHOP WAS INFORMED THAT THIS IS COMMON FAILURE AND THEY HAD AT LEAST 6 IN REPAIR SHOP WITH SAME PROBLEM. *TR
STRONG DIESEL FUEL ODOR AT IDLE IN CAB WITH WINDOWS CLOSED. STRONG DIESEL ODOR AROUND FRONT OF TRUCK. NO VISIBLE LEAKS OR DAMP AREAS. FEAR FIRE HAZARD. *TR
CONSUMER STATED WHILE DRIVING AT 65-70 MPH VEHICLE SUDDENLY LOST POWER AND SHUT DOWN. CONSUMER TOOK THE VEHICLE TO THE DEALER, AND HAD THE PROBLEM RESOLVED BY REPLACING THE FUEL INJECTION SYSTEM. CURRENTLY, DEALER INDICATED THAT THE SENSORS WERE DEFECTIVE. VEHICLE WAS BACK AT THE DEALER FOR FURTHER EVALUATION. *AK THE VEHICLE HAS BROKEN A TOTAL OF 5 DIFFERENT TIMES AS A RESULT OF THIS PROBLEM. *NM
WHEN THE CONSUMER STARTED THE VEHICLE DIESEL FUEL FLOWED INTO THE CRANK CASE. THERE HAS BEEN AN EXPLOSION IN THE ENGINE COMPARTMENT OF THE VEHICLE. WHEN FUEL FLOWED INTO THE CRANK CASE THE ENGINE COULD NOT BE SHUT OFF UNTIL THE FUEL WAS EXHAUSTED. THE DEALER HAS SINCE FIXED THE PROBLEM.*AK
VEHICLE FAILS TO START BECAUSED THE ENGINE HAS A PINCHED O-RING.*AK
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026