2021 Ford F-350 SD Fuel System Problems

Mileage when the problem started

• Under 25k
  00%
• 25k–50k
  212%
• 50k–75k
  16%
• 75k–100k
  212%
• 100k–150k
  953%
• 150k+
  318%

Owner reports

Selected complaints filed with NHTSA by 2021 Ford F-350 SD owners, lightly cleaned up (personal details are redacted by NHTSA).

The contact owns a 2021 Ford F-350. The contact stated while driving at an undisclosed speed, the warning light illuminated indicating to pull the vehicle over. The contact drove the vehicle to the shoulder of the road. The contact stated that the vehicle lost motive power. The contact exited the vehicle and checked all the fluids. The contact stated that the fluid levels were at sufficient levels. The vehicle was inspected by an independent mechanic and the vehicle was diagnosed as fuel contamination. The contact was informed that the fuel system needed to be replaced. The vehicle was not repaired. The contact was advised of a recall NHTSA Campaign Number: 22V013000(Fuel System, Diesel) which had a similar failure description, however, the contact's VIN was not associated with the recall. The vehicle was towed to the dealer where it was diagnosed with a failed fuel system. …

The contact owns a 2021 Ford F-350. 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 contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact stated that while driving at an undisclosed speed with the cruise control activated, the contact heard an abnormally loud popping and clicking sound. The check engine warning light was illuminated. The message "Decreased Engine Power" was displayed, and the vehicle experienced a loss of drive power. The contact coasted off the road and came to a complete stop. The message "Shift to Neutral" was displayed. The contact turned off the vehicle and let it cool down for five minutes. The vehicle failed to restart. …

The contact owns a 2021 Ford F-350. 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 not made aware of the issue. The contact stated that while driving on the highway at 55 MPH, the vehicle decelerated to 40 MPH, lost automotive power, and stalled. The contact stated that the message "Please Slow Down - Engine Protection Mode" was displayed. The contact pulled over to the side of the highway and restarted the vehicle; however, the vehicle started shaking abnormally before shutting off independently. …

The contact owns a 2021 Ford F-350. The contact stated that while driving at an undisclosed speed, the accelerator pedal was depressed, but the vehicle failed to accelerate as intended. The vehicle was driven to the shoulder of the road, where it lost motive power. The message "Reduced Engine Power" was displayed, and the check engine warning light was illuminated. The contact stated that the failure occurred while a fifth wheel RV was hitched to the vehicle. The vehicle was towed to the dealer, where it was diagnosed that the high-pressure fuel pump had failed and needed to be replaced. The vehicle was not repaired. The contact was informed that the manufacturer denied covering the repair under NHTSA Campaign Number: 24V957000 (Fuel System, Diesel) due to a contaminated fuel system; however, the dealer confirmed that the fuel system was not contaminated. …

The contact owns a 2021 Ford F-350. The contact received notification of NHTSA Campaign Number: 24V957000 (Fuel System, Diesel) however, he had had a failure of the diesel fuel pump prior to receiving the recall letter. The contact stated that the manufacturer exceeded a reasonable amount of time for the recall repair. The manufacturer was not made aware of the issue. The contact was observing that the check engine warning was illuminated and that he was having engine misfires. The contact stated that he was also hearing abnormal noises from the engine compart all prior to receiving the recall letter from the manufacturer. The contact stated that the failures were reoccurring until he was no longer able to start the vehicle. The contact had the vehicle towed to a dealer who diagnosed the vehicle and determined that the high-pressure diesel fuel pump had failed. …

The contact owns a 2021 Ford F-350. The contact stated that while driving at an undisclosed speed, the loss of power warning light illuminated. The contact parked the vehicle and turned off the vehicle. The contact attempted to restart the vehicle however, the vehicle failed to start as intended. The vehicle was towed to the dealer where it was diagnosed with a contaminated fuel system. The contact was informed that the fuel system needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure but provided no assistance. The contact received notification of NHTSA Campaign Number: 24V957000 (Fuel System, Diesel); however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. …

The contact owns a 2021 Ford F-350. 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 contact stated that while driving on the interstate at 75 MPH, the vehicle started to lose motive power. The contact veered to the right to exit the highway while the vehicle was losing power and eventually stopped. The check engine warning light was illuminated. The vehicle was towed to the dealer to be diagnosed. The dealer diagnosed the vehicle with a fuel system shutdown and high-pressure fuel pump failure. The vehicle was not repaired. …

The contact owns a 2021 Ford F-350 SD. The contact stated that while driving 50 MPH, the accelerator pedal was depressed; however, the vehicle failed to accelerate as intended. The engine seized, and the vehicle was pulled over to the shoulder of the roadway. The contact stated that while attempting to start the vehicle, the vehicle failed to start. The vehicle was towed to the dealer, where it was diagnosed with high-pressure fuel pump failure. The contact was informed that the high-pressure fuel pump needed to be replaced. In addition, the contact was informed that a repair request had been submitted to the manufacturer; however, the request was denied. The contact was informed that the failure codes displayed were not associated with an unrepaired recall. The contact received notification of NHTSA Campaign Number: 24V957000 (Fuel System, Diesel). …

The contact owns a 2021 Ford F-350. 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 stated that the upper fuel filter had been leaking diesel fuel. The vehicle was taken to a local dealer where it was diagnosed, and the contact was informed that the failure was linked to the recall. The contact was informed that the fuel pump needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage was 180,000. VIN tool confirms parts not available.

The contact owned a 2021 Ford F-350. The contact stated that while driving at an undisclosed speed, the vehicle inadvertently lost motive power and was unable to accelerate as needed. The contact was able to reach to drive to the residence, where the failure persisted. No warning lights were illuminated. The vehicle was taken to an independent mechanic, who diagnosed a failure high-pressure fuel pump (HPFP). The vehicle was repaired. After investigating the failure, the contact attributed it to NHTSA Campaign Number: 24V957000 (Fuel System, Diesel). The VIN was included, but parts were not yet available. The manufacturer was notified of the failure, a case was opened, and the contact was referred to the NHTSA Hotline for assistance. The contact had since sold the vehicle. The failure mileage was 280,000.

Related recalls

NHTSA investigations

Fuel System complaints in other F-350 SD years