2020 Ford F-350 SD Fuel System Problems

Which parts fail

• Delivery › Fuel pump
  2

Components named in complaints (fuel pump, injectors, fuel tank, hybrid and EV propulsion).

Mileage when the problem started

• Under 25k
  00%
• 25k–50k
  314%
• 50k–75k
  418%
• 75k–100k
  15%
• 100k–150k
  836%
• 150k+
  627%

Owner reports

Selected complaints filed with NHTSA by 2020 Ford F-350 SD owners, lightly cleaned up (personal details are redacted by NHTSA).

The contact owns a 2020 Ford F-350. The contact stated that while driving at an undisclosed speed, the engine power failure warning light illuminated, and the engine seized. The contact stated that the failure had occurred while towing a small vehicle. The contact coasted the vehicle to the shoulder of the road, which was very unsafe. The contact stated that while attempting to restart the vehicle, the vehicle failed to restart. The vehicle was towed to an independent mechanic, where it was diagnosed with high-pressure fuel pump failure, cylinder rod and head gasket failures. The contact was informed that the high-pressure fuel pump had exploded and sent fuel all over and into the engine. The contact was informed that the engine had failed due to a high-pressure fuel pump failure. The contact was advised to tow the vehicle to the dealer. …

The contact owns a 2020 Ford F-350. The contact stated that while driving approximately 55 MPH, the vehicle stalled. The contact stated that there was no warning light illuminated. The contact was able to pull over but was unable to restart the vehicle. The vehicle was towed to a local dealer, where it was diagnosed, and it was determined that the diesel fuel system needed to be replaced. The vehicle was repaired and was covered under warranty. The contact stated that one month later, the vehicle experienced a failure while he was driving. The vehicle was towed to the same dealer, who determined that the diesel fuel system had failed. The contact was advised that the vehicle was no longer covered under warranty and would be repaired out of pocket. The contact had the vehicle towed to a diesel repair shop. …

The contact owns a 2020 Ford F-350. The contact stated that while driving 60-63 MPH, the vehicle began to shudder and lost motive power and stopped. The contact stated that several unknown warning lights were illuminated after the failure. The contact had to abandon the vehicle on the highway due to safety concerns. The vehicle was towed to his place of employment. The vehicle was then towed to the local dealer, where it was diagnosed and determined that the fuel pump had exploded through the fuel system line. The fuel line and engine were contaminated. The vehicle was not repaired. The manufacturer was not contacted. Additionally, after the failure, 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 not contacted. …

The contact owns a 2020 Ford F-350. The contact stated while driving 65 MPH, the vehicle stalled and experienced loss of power steering functionality and reduced braking functionality, causing the vehicle to almost drive into a ditch while the contact was pulling over to the side of the road. There was no warning light illuminated. The vehicle failed to restart and was towed to the dealer, where it was diagnosed and determined that the high-pressure fuel pump had failed; however, the contact was denied warranty coverage due to fuel contamination. The contact stated that a lab later performed the fuel lab test and confirmed that the fuel was not contaminated. The vehicle was then towed to 1 Way Diesel Performance LLC, where it was determined that the high-pressure fuel pump had failed and had caused metal shavings intrusion into the fuel system. …

The contact owns a 2020 Ford F-350. The contact received notification of NHTSA Campaign Number: 24V957 (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 stated that while one of his employees was driving approximately 45 MPH, the vehicle lost motive power. The contact stated that a person in a residential area assisted with pushing the vehicle to the side of the road. The check engine warning light was illuminated. The vehicle failed to restart and was towed to an independent mechanic who was diagnosed with fuel pump failure. The contact was informed that the fuel pump needed to be replaced. The vehicle had not been repaired. The manufacturer was not made aware of the failure. …

The contact owns a 2020 Ford F-350. The contact received notification of NHTSA Campaign Number: 24V957000(Fuel System, Diesel); however, the part to do the repair was not yet available. The contact stated that while driving at approximately 65 MPH, the vehicle stalled. There was no warning light illuminated. The contact was able to coast to the side of the highway road. The vehicle failed to restart and was towed to the dealer, where it was diagnosed and determined that the fuel pump had failed, causing debris to spread in the fuel system. The dealer determined that the fuel pump and the fuel system needed to be replaced. The engine was also inspected for damage. The vehicle was repaired. …

The contact owns a 2020 Ford F-350 The contact stated while driving 25 MPH, the vehicle was quiet, and the vehicle lost power independently. No warning light was illuminated. The contact pulled over to the right side of the road while waiting for tow assistance. An Independent mechanic was contacted. The vehicle was towed to an independent mechanic and the contact was informed that the fuel pump was damaged and needed to be replaced. The vehicle was repaired. The contact related the failure to NHTSA Campaign Number: 24V957000 (Fuel System, Diesel). The manufacturer was notified of the recall and informed the contact that parts for the NHTSA Campaign Number: 24V957000 (Fuel System, Diesel) was not yet 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 owns a 2020 Ford F-350. The contact stated while driving 45 MPH, the vehicle inadvertently lost motive power, and the message "Battery Mode" was displayed. The contact was able to coast over to the shoulder of the roadway, where the vehicle failed to restart. No warning lights were illuminated. The vehicle was towed to the dealer, who diagnosed a failure with the CP4 high-pressure fuel pump. The contact was informed that the fuel pump had broken apart, allowing debris to travel throughout the fuel system, resulting in damages to the engine. The vehicle was not repaired. After investigating the failure, the contact related the failure 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 stated owns a 2020 Ford F-350. The contact stated that the vehicle had been repaired under Manufacturer Campaign Number: 22E04 Reprogram PCM/TCM (Power Train) however, after the repair the fuel economy had become significantly lessened. Prior to the repair the fuel economy was 22 MPG however, after the recall repair the fuel economy was 13.5 MPG. The contact stated that while hauling a trailer, the fuel economy fell from 13.4 MPG to 6.5 MPG. While driving with the cruise control activated, the fuel economy fell from 25 MPG to 15 MPG. The vehicle was taken to the dealer where it was confirmed that the recall remedy could not be reversed. The vehicle was not diagnosed. The vehicle or repaired. The manufacturer was made aware of the failure. The contact was referred to the NHTSA Hotline to file a complaint. The approximate failure mileage was 59,000.

The contact owns a 2020 Ford F-350. The contact stated that while driving 65 MPH and towing a dump trailer, the vehicle entered LIMP Mode. The contact was able to pull over to the side of the road. The vehicle was towed to the contact's storage yard, where an independent diesel mechanic performed a diagnostic scan and retrieved diagnostic trouble codes indicating a fuel system failure. The vehicle was towed to a dealer, where it was disassembled and diagnosed with a CP4 pump failure resulting from a water separator failure. The contact was informed that the CP4 pump replacement was not covered and needed to be replaced at the owner's expense. The manufacturer was notified of the failure and contacted the dealer, but no further assistance or information was available. The vehicle was not repaired. The failure mileage was approximately 180,000.

Related recalls

NHTSA investigations

Fuel System complaints in other F-350 SD years