Ford F-350 SD Fuel System, Diesel Problems
Owners have filed 197 complaints with NHTSA about fuel system, diesel problems on the Ford F-350 SD across 23 model years. The 2020 model year has the most (34). The words owners use most often: “fuel pump” (28% of reports).
- 197fuel system, diesel complaints
- —median miles at failure
- 1mention a crash
- 1mention an injury
- 5related recalls
- $3,000typical repair cost reported by owners
- 60%of reports with a speed happened at 50+ mph
What owners describe
Phrases that appear unusually often in these complaints compared with complaints about other cars.
- Fuel pump: mentioned in 55 of 197 complaints (28%)
- High pressure: mentioned in 31 of 197 complaints (16%)
- Motive power: mentioned in 19 of 197 complaints (10%)
- F350 diesel: mentioned in 10 of 197 complaints (5%)
How much does it cost to fix?
Owners who wrote down what they paid or were quoted put the typical fuel system, diesel repair on the Ford F-350 SD at $3,000, and half of them between $1,700 and $4,500.
Based on 14 NHTSA complaints about this problem alone that state a repair bill or quote (2008–2012), converted to 2026 dollars with the U.S. consumer price index. These are owners' own figures, not a quote: they include dealer quotes, and owners who file complaints often faced larger repairs, so they can run higher than typical shop prices. Prices vary by shop, region and warranty coverage. How we calculate this.
At what mileage do fuel system, diesel problems happen?
Based on 164 complaints that reported the odometer reading.
How serious are the reports?
Of 197 complaints, 1 mention a crash, 2 a fire, 1 an injury.
Ford F-350 SD fuel system, diesel complaints by model year
| Model year | Fuel System, Diesel complaints | Share of that year | Median miles |
|---|---|---|---|
| 2025 F-350 SD | 1 | 7% | 100 |
| 2023 F-350 SD | 2 | 5% | 127,500 |
| 2022 F-350 SD | 7 | 6% | 61,000 |
| 2021 F-350 SD | 24 | 24% | 110,000 |
| 2020 F-350 SD | 34 | 18% | 124,000 |
| 2019 F-350 SD | 6 | 1% | 77,000 |
| 2018 F-350 SD | 4 | 2% | 131,500 |
| 2017 F-350 SD | 14 | 2% | 141,500 |
| 2016 F-350 SD | 6 | 3% | 67,830 |
| 2015 F-350 SD | 2 | 1% | 63,500 |
| 2012 F-350 SD | 1 | 3% | 31,538 |
| 2011 F-350 SD | 1 | 2% | 77,000 |
| 2008 F-350 SD | 8 | 8% | 34,600 |
| 2007 F-350 SD | 1 | 4% | — |
| 2006 F-350 SD | 14 | 11% | 53,000 |
| 2005 F-350 SD | 21 | 10% | 70,849 |
| 2004 F-350 SD | 11 | 8% | 75,000 |
| 2003 F-350 SD | 16 | 12% | 82,217 |
| 2002 F-350 SD | 10 | 8% | 68,000 |
| 2001 F-350 SD | 5 | 3% | 90,000 |
| 2000 F-350 SD | 6 | 4% | 86,000 |
| 1999 F-350 SD | 2 | 1% | 108,477 |
| 1995 F-350 SD | 1 | 50% | 25,000 |
When owners reported it
Related recalls (5)
Fuel system, diesel:delivery:fuel pump
Model years: 2020, 2021, 2022
Problem: Ford Motor Company (Ford) is recalling certain 2020-2022 F-Super Duty F250, F350, F450, F550, 2021-2022 F600, and 2022 F750 vehicles previously repaired incorrectly under recall number 24V957. Biodiesel deposits may form on the pump drivetrain roller components, which could lead to failure of the high pressure fuel pump.
Risk: High pressure fuel pump failure can cause a loss of drive power, increasing the risk of a crash.
Fix: Dealers will update the powertrain control module (PCM) software, free of charge. Owner notification letters were mailed mailed April 7, 2026. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 26S17. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on March 18, 2026.
Fuel system, diesel:delivery:hoses, lines/piping, and fittings
Model years: 2025
Problem: Ford Motor Company (Ford) is recalling certain F-250 and F-350 vehicles. Cracked fuel return line connectors may leak fuel into the engine compartment.
Risk: A fuel leak in the presence of an ignition source such as hot engine components, can increase the risk of a fire.
Fix: Dealers will replace the fuel return lines, free of charge. All vehicles have been repaired. Owners may contact Ford Customer Service at 1-866-436-7332. Ford's number for this recall is 25S44.
Fuel system, diesel:delivery:fuel pump
Model years: 2020, 2021, 2022
Problem: Ford Motor Company (Ford) is recalling certain 2020-2022 F-Super Duty F250, F350, F450, F550, F600, and 2021-2022 F-650, F750 vehicles. Biodiesel deposits may form on the pump drivetrain roller components, which could lead to failure of the high pressure fuel pump.
Risk: High pressure fuel pump failure can cause a loss of drive power, increasing the risk of a crash.
Fix: Dealers will update the powertrain control module (PCM) and Transmission Control Module (TCM) software, free of charge. Owner notification letters were mailed January 23, 2026. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 24S78.
Fuel system, diesel
Model years: 2021
Problem: Ford Motor Company (Ford) is recalling certain 2021 Super Duty F-250, F-350, F-450, F-550, F-600, and Medium Duty F-650 and F-750 vehicles equipped with 6.7L diesel engines. A small void may be present in the top-center of the vehicle's underhood secondary fuel filter cap, which may progress to a pinhole over time, allowing fuel to leak from the top of the secondary fuel filter.
Risk: A fuel leak in the presence of an ignition source can increase the risk of a fire or injury.
Fix: Dealers will replace the primary and secondary fuel filters, free of charge. Owner notification letters were mailed January 28, 2022. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 22S01.
Fuel system, diesel
Model years: 2017
Problem: Ford Motor Company (Ford) is recalling certain model year 2017 Ford F-250 SD, F-350 SD, F-450 SD, and F-550 SD trucks manufactured March 21, 2016, to August 28, 2016. The protective shield on the fuel conditioning module may have inadequate adhesion, allowing the shield to become dislodged.
Risk: If the shield becomes dislodged, the drain valve may open resulting in a fuel leak. A fuel leak, in the presence of an ignition source, increases the risk of a fire. Under certain conditions, significant liquid fuel on the road surface may cause a slip hazard, increasing the risk of a crash.
Fix: Ford will notify owners, and dealers will replace the protective shield, free of charge. The recall began November 11, 2016. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 16S39.
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
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…
The contact owns a 2020 Ford F-350 SD. The contact stated that while attempting to start the vehicle with the ignition key, the vehicle failed to start as intended. The check engine warning light was illuminated. In addition, the contact associated the failure with NHTSA Campaign: 24V957000 (Fuel…
The contact owns a 2021 Ford F-350 SD. The contact received notification of NHTSA Campaign Number: 24V957000 (Fuel System, Diesel). The contact stated that while driving 20 MPH, the message "Reduced Power" was displayed, and the check engine warning light was illuminated. The vehicle stalled and…
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…
The contact called on behalf of a Federal Agency that owned a 2019 Ford F-350. The contact stated that while driving 55 MPH, the check engine warning light illuminated, and the message "Reduce Power Mode" was displayed. The driver pulled over to the side of the road, and the vehicle shut off. The…
Frequently asked questions
Do all Ford F-350 SDs have fuel system, diesel problems?
No. NHTSA has 197 owner complaints about fuel system, diesel for the Ford F-350 SD. Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the Ford F-350 SD fuel system, diesel?
Yes: 5 safety recalls list fuel system, diesel. Check your VIN on NHTSA.gov to see whether the fix was done on your car.
How much does it cost to fix fuel system, diesel problems on the Ford F-350 SD?
Owners report a typical cost of $3,000 (half paid between $1,700 and $4,500), from 14 complaints that state a repair bill or quote, in 2026 dollars.
What do owners say about fuel system, diesel problems on the Ford F-350 SD?
The most frequent phrase is “fuel pump”, in 55 of 197 complaints, followed by “high pressure” (31).
Other Ford F-350 SD problems
- Steering problems (1,091)
- Suspension problems (868)
- Engine and Engine Cooling problems (368)
- Electrical System problems (332)
- Power Train problems (288)
- Tires problems (247)
- Wheels problems (222)
- Engine problems (220)
See all Ford F-350 SD problems.