The 1991 Ford F Super Duty has 1 NHTSA recall campaign affecting an estimated 1,131,000 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 1 complaint with NHTSA, most often about the fuel system, gasoline. Last updated July 5, 2026.
A MALFUNCTIONING CHECK VALVE WITHIN THE FUEL PUMP ASSEMBLY CAUSES A PORTION OF THE UNUSED FUEL FROM ONE TANK TO BE RETURNED TO THE SECOND TANK. WHEN THIS OCCURS, THE CAPACITY OF THE SECOND TANK CAN BE EXCEEDED, CAUSING FUEL SPILLAGE.
SPILLED FUEL CAN RESULT IN A FIRE WHEN EXPOSED TO ASOURCE OF IGNITION.
REPLACEMENT OF THE FUEL PRESSURE REGULATOR AND INSTALLATION OF REDUNDANT CHECK VALVES.
Verbatim reports filed with NHTSA, lightly edited for readability and with personal information removed.
“Fuel leakage from dual tanks or crossover valve/lines when full or during warm weather conditions. *ak”
There is no summary currently available
THESE VEHICLES CAN EXPERIENCE FUEL TRANSFER FROM ONE TANK TO THE OTHER DUE TO A MALFUNCTIONING FUEL PUMP.FROM THE INFORMATION GATHERED TO DATE, IT APPEARS THAT THERE CAN BE MULTIPLE CAUSES AND/OR A COMBINATION OF CAUSES FOR FUEL CROSS FLOW AND THAT THE RECALL REMEDY MAY BE INADEQUATE.FURTHER INVESTIGATION IS…
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 1991 Ford F Super Duty as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.