There are 6 owner-reported fuel system complaints for the 2020 Ford F-550in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
I had my truck serviced, engine oil and fuel filters replaced, I picked up truck and while driving home, engine loss of power came on screen, truck then stalled, I observed smoke coming from under the hood, I exited vehicle to try and open hood, but flames were already present, I called 911 fire department came and put fire out. truck is a total loss. Fire Capt observed that fire seem to have started near the fuel filter housing, I was fortunate to escape the cab along with my dog, I have read several reports about filter housing leaking and starting fires, my brother inlaw, actually had the same issue, filter split causing fuel to leak, but fortunately he had just started the truck and was not driving very long before he smelled the fuel and was able to shut down the engine before it got hot and repolace the faulty filter housing.
The contact owns a 2020 Ford F-550. The contact received notification of NHTSA Campaign Number: 24V957000 (Fuel System, Diesel); however, the part to do the recall repair was not yet available. The local dealer was contacted and confirmed that the remedy was not available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure.
The contact owns a 2020 Ford F-550. The contact stated that while driving at 20 MPH, the fuel injector became inoperable. The check engine warning light became illuminated. The vehicle was taken to the local dealer, where it was diagnosed, and determined that the fuel injectors needed to be replaced. The vehicle was repaired. The manufacturer was contacted and confirmed that the part to repair the vehicle under NHTSA Campaign Number: 24V957000 (Fuel System, Diesel) was on back order and that a second notification would be forwarded once parts became available. The failure mileage was approximately 85,172.
The contact owns a 2020 Ford F-550. The contact stated while driving 60-70 MPH, the contact noticed a strong fuel odor. The message "Fuel Pressure Low" was displayed. The contact was driven to the residence. The contact stated that upon inspecting the vehicle, he noticed that approximately 40 gallons of fuel had leaked out of the vehicle. The dealer was notified of the failure and informed the contact that the VIN was not included in a related recall. The contact later became aware that the VIN was included in NHTSA Campaign Number: 24V957000 (Fuel System, Diesel); which the contact related to the failure; however, the part to do the recall repair was not yet available. The local dealer was contacted. The vehicle was not diagnosed or repaired. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not made aware of the failure. The failure mileage was 34,704. VIN tool confirms parts not available.
The contact owns a 2020 Ford F-550. The contact received notification of NHTSA Campaign Number: 24V957000 (FUEL SYSTEM, DIESEL); however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had experienced a failure. VIN tool confirms parts not available. The contact stated that while driving on a main road at 35 MPH a message displayed on the instrument panel which stated "reduced engine power" the contact proceeded to enter into a parking lot where the vehicle was parked, and left idle for a few minutes before attempting to restart, however the engine would start back up again. The vehicle was towed to an independent mechanic where it was diagnosed and the contact was advised that the fuel pump had failed and that it would need to be replaced by a Ford Dealership, and upon the vehicle arriving at Ford it was diagnosed a second time where it was confirmed that the failure originated from fuel pump failure, and that entire fuel system would have to be replaced. The vehicle was not repaired. The approximate failure mileage was 38,239.
The contact owns a 2020 Ford F-550. The contact stated while driving approximately 30 MPH, the vehicle emitted a strong odor of fuel into the cabin. The contact stated that other drivers were pointing at the underside of the vehicle. The contact pulled over and observed fuel leaking from a filter, the underside of the hood and engine compartment on the driver's side were covered in fuel. The contact stated no warning light was illuminated. The contact called a dealer and was advised to change the filter. The contact stated that the vehicle experienced a failure a second time and had the vehicle towed to the same dealer. The dealer diagnosed that there was rust in the fuel filter which had contaminated the fuel injection system. The vehicle had not been repaired. The contact had contacted a second dealer and was advised that the failure could be related to NHTSA Campaign Number: 22V013000 (Fuel System, Diesel). The manufacturer had been informed of the failure. The failure mileage was approximately 15,000.
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 May 4, 2026