2021 Ford F-350 SD fuel system, diesel problems
22 owner complaints filed with NHTSA name the fuel system, diesel on the 2021 Ford F-350 SD — 24% of all complaints for this model year.
What owners report
“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…”
filed Jun 11, 2026
“The contact owns a 2021 Ford F-350. The contact received notification of NHTSA Campaign Number: 24V957000 (Fuel System, Diesel). The contact recently set an appointment with a local dealer for the software update, but was informed by the dealer that the recall had been placed on hold. The contact…”
filed Mar 12, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Biodiesel deposits may form on the pump drivetrain roller components, which could lead to…Campaign 26V158000 · Mar 17, 2026
- Biodiesel deposits may form on the pump drivetrain roller components, which could lead to…Campaign 24V957000 · Dec 20, 2024
- A small void may be present in the top-center of the vehicle's underhood secondary fuel…Campaign 22V013000 · Jan 14, 2022
Fuel System, Diesel problems in other F-350 SD years
| Year | Reports | Share |
|---|---|---|
| 2023 F-350 SD | 2 | 5% |
| 2022 F-350 SD | 7 | 7% |
| 2020 F-350 SD | 33 | 18% |
| 2019 F-350 SD | 6 | 1% |
| 2018 F-350 SD | 4 | 2% |
| 2017 F-350 SD | 14 | 2% |
| 2016 F-350 SD | 6 | 3% |
| 2015 F-350 SD | 2 | 1% |
| 2012 F-350 SD | 1 | 3% |
| 2011 F-350 SD | 1 | 2% |
| 2008 F-350 SD | 8 | 8% |
| 2007 F-350 SD | 1 | 4% |
Other reported problem areas on the 2021 Ford F-350 SD
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.