2021 Ford F-350 SD problems
NHTSA has received 132 complaints about the 2021 Ford F-350 SD, and 30% of them involve fuel system. Next are engine (12%) and electrical system (10%).
At a glance
- Complaints
- 132 filed with NHTSA
- Most reported
- Fuel system 30% of complaints
- Crashes and fires
- 2 and 6
- Injuries and deaths
- 5 and 0
- Typical mileage
- 72,000 miles 44 complaints with mileage
Source: NHTSA owner complaints
Where the complaints are
Share of this model year's complaints by the part of the car involved. One complaint can name more than one part, so the shares can add up to more than 100%.
When problems show up
View the numbers
| Mileage | Complaints |
|---|---|
| 0k to 20k miles | 7 |
| 20k to 40k miles | 9 |
| 40k to 60k miles | 6 |
| 60k to 80k miles | 0 |
| 80k to 100k miles | 5 |
| 100k to 120k miles | 6 |
| 120k to 140k miles | 6 |
| 140k to 160k miles | 0 |
| 160k to 180k miles | 0 |
| 180k to 200k miles | 3 |
| 200k+ miles | 2 |
What the data shows
Of the 44 complaints that include odometer readings, half describe a problem before roughly 72,000 miles. For fuel system specifically, the median reported mileage is about 112,000 miles (17 complaints with mileage).
Safety-related details: 2 complaints mention a crash; 6 complaints mention a fire; 5 injuries reported.
Looking only at complaints filed within five years of the model year (so older and newer years are comparable), the 2021 ranks 10th most-complained-about out of 24 model years of the Ford F-350 SD with enough data (132 complaints in that window). It is also covered by 14 safety recall campaigns.
What owners wrote
A few complaints as filed, shortened and with personal details removed. The first ones are among the most serious reports for this model year; the rest are typical.
The cable connecting the engine block heater caught on fire near the plug. My right hand, thumb and index finger were burned while disconnecting the cable. I was able to stop fire from consuming the vehicle. How ever cable is burned near the 3 pronged connector.
The contact owns a 2021 Ford F-350 towing a boat. The contact stated while driving 60 mph, applied the brakes however crashed head-on with a 2015 Toyota Scion. The contact stated the rear seats failed to lockdown. The contact had the tools under the seat and was released into the vehicle during the crash. The air bags deployed. The passenger sustained broken ribs, right ankle sprain or fractured, and the seatbelt bruised the chest.
The contact owns a 2021 Ford F-350. The contact received notification of NHTSA Campaign Number: 24V957000 (Fuel System, Diesel). The contact stated while driving 30 MPH, the vehicle hesitated and stalled. The contact stated that an unknown warning light was illuminated. The vehicle was not able to restart. The vehicle was towed to a dealer where it was diagnosed and determined that the high-pressure fuel pump had failed and sent shards throughout the fuel system, and the fuel system needed to be replaced.
The contact owns a 2021 Ford F-350 Commercial Vehicle. 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 vehicle had failed to start. The vehicle was towed to an independent mechanic, where it was diagnosed that the fuel pump had failed and needed to be replaced. The vehicle was not repaired.