2021 Ford F-250 SD fuel system, diesel problems
25 owner complaints filed with NHTSA name the fuel system, diesel on the 2021 Ford F-250 SD — 16% of all complaints for this model year.
What owners report
“The contact owns a 2021 Ford F-250. The contact stated that while driving 55 MPH, the engine warning light illuminated and the message "LIMP Mode in 34 Miles" was displayed. The dealer was contacted. The vehicle was diagnosed with a diesel emission fuel injector failure. The contact associated the…”
filed Jul 21, 2026
“The contact owns a 2021 Ford F-150. The contact stated while driving at 60 MPH, the accelerator pedal was depressed, however the vehicle failed to accelerate as intended. The contact stated that several unknown warning lights illuminated and the engine seized. The contact stated while attempting to…”
filed May 22, 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-250 SD years
| Year | Reports | Share |
|---|---|---|
| 2023 F-250 SD | 1 | 2% |
| 2022 F-250 SD | 5 | 4% |
| 2020 F-250 SD | 34 | 13% |
| 2019 F-250 SD | 13 | 1% |
| 2018 F-250 SD | 7 | 2% |
| 2017 F-250 SD | 12 | 1% |
| 2016 F-250 SD | 10 | 3% |
| 2015 F-250 SD | 11 | 4% |
| 2014 F-250 SD | 1 | 4% |
| 2013 F-250 SD | 2 | 10% |
| 2012 F-250 SD | 2 | 4% |
| 2011 F-250 SD | 5 | 4% |
Other reported problem areas on the 2021 Ford F-250 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.