2021 Ford F-350 SD Fuel system Problems
- Complaints
- 40about this part
- Share
- 41%of 98 total for the year
- Median mileage
- 112,000miles
- Trend
- RisingComplaints filed in the last 3 full calendar years are at least 25% higher than in the 3 years before.
NHTSA recorded 40 complaints about the fuel system of the 2021 Ford F-350 SD, 41% of the 98 complaints for this model year. Where a mileage was given, the median is 112,000 miles. 1 a fire, according to the filers. 4 recall campaigns on record are filed under a similar system.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“This vehicle has horrible throttle response. When I take off normally then let off the gas then try and accelerate, there is a 2-3 second lag in acceleration. It’s dangerous because I’ve had times where I can’t get out of the way of oncoming traffic. Not all of these trucks have this and I want ford to rectify this for safety’s sake”
NHTSA complaint #11582482, filed 2024-04“Vehicle Safety Complaint – 2021 Ford F-350 I am submitting this complaint regarding a safety-related failure involving my 2021 Ford F-350. While driving under normal conditions, the vehicle suddenly entered “limp mode,” resulting in a significant and immediate loss of power. Approximately 20 miles later, the vehicle completely shut down, leaving me stranded and requiring the truck to be towed to Gene Messer Ford for diagnosis and repair. …”
NHTSA complaint #11735094, filed 2026-05“The high pressure fuel pump failed sending metal shavings through out the entire fuel system. I had no heads up and the failure left me stranded on top of a bridge. I called 911 twice and finally the cops showed up and wrecker towed me off the bridge. Ford is aware of this known issue with this make and model, and even put a recall partial recall / quick fix to increase the flow around the pump to keep it cooler. I had the quick fix recall completed but it did not prevent the failure and me being stranded on a bridge.”
NHTSA complaint #11761855, filed 2026-09“While operating my vehicle on a busy road the power failed and vehicle shut down. Saftey of myself and others were at risk as this occurred while actively driving. Upon restart attempt vehicle failed to start. Vehicle was towed to and inspected by an independent service center. Mechanic advised, based on codes from check engine, the high pressure fuel pump failed and metal shavings were in my fuel system. Mechanic replaced pump, flushed system. Upon return of fixed vehicle power dropped out, check engine light appeard again. …”
NHTSA complaint #11648307, filed 2025-03“Check engine light comes on almost everyday. After at least 5 minutes driving, this trucks engine will shut down with out notice. Usually when making a turn or coming to a stop light. When this happens you loose all steering control. You have to shift to neutral and try and restart. This has caused me to almost rearend a highway patrol vehicle. Very dangerous. I have had this vehicle in to the local Ford dealership on numerous occasions; however they will NOT run diagnostics to see what is happening. …”
NHTSA complaint #11473541, filed 2022-07Related recalls
- 26V158000Mar 17, 2026Ford Motor Company (Ford) is recalling certain 2020-2022 F-Super Duty F250, F350, F450, F550, 2021-2022 F600, and 2022 F750 vehicles previously repaired…Covers: Ford F-350 SD 2020–2022, F-250 SD 2020–2022, F-450 SD 2020–2022 +3 more
- 25V455000Jul 7, 2025Ford Motor Company (Ford) is recalling certain 2021-2023 Bronco, Explorer, Lincoln Aviator, F-250 SD, F-350 SD, F-450 SD, F-550 SD, 2021-2022 Lincoln…Covers: Ford F-350 SD 2021–2023, F-250 SD 2021–2023, F-450 SD 2021–2023 +8 more
- 24V957000Dec 20, 2024Ford 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…Covers: Ford F-350 SD 2020–2022, F-250 SD 2020–2022, F-450 SD 2020–2022 +4 more
- 22V013000Jan 14, 2022Ford 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…Covers: Ford F-350 SD 2021, F-250 SD 2021, F-450 SD 2021 +4 more
Related service bulletins
- 11023203Sep 12, 2025Some 2019-2026 F-Super Duty vehicles equipped with a 6.7L engine may require various repairs and/or maintenance to the fuel system where quick release couplings are utilized…
- 11005994Jul 31, 2024Some 2020-2022 F-Super Duty pickup vehicles equipped with a 6.7L engine, 175 inch wheelbase, and built on or before 23-Sep-2021 may exhibit a thump/whine/knock noise from the…
- 10216961Jul 29, 2022Some 2021-2022 F-Super Duty and 2021-2023 E-Series vehicles equipped with a 6.2L or 7.3L gasoline engine may exhibit an illuminated malfunction indicator lamp (MIL) with…
- 10209223Mar 21, 2022Some 2020-2022 F-Super Duty pickup vehicles equipped with a 6.7L engine and built on or before 23-Sep-2021 may exhibit a thump/whine/knock noise from the fuel tank at idle or…
- 10207140Jan 31, 2022Some 2017-2022 F-Super-Duty vehicles equipped with a 6.7L diesel engine may exhibit a hard start, lack of power and/or runs rough concern with an illuminated malfunction…
- 10207050Jan 7, 2022Some 2020-2022 F-Super Duty pickup vehicles equipped with a 6.7L engine, 175 inch wheelbase, and built on or before 23-Sep-2021 may exhibit a thump/whine/knock noise from the…
- 10201645Sep 14, 2021Some 2020-2021 F-Super Duty vehicles equipped with a 6.7L engine may exhibit an illuminated malfunction indicator lamp (MIL) with various fuel system related diagnostic trouble…
Fuel system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2025 | 1 | 7% |
| 2023 | 4 | 10% |
| 2022 | 20 | 18% |
| 2021 | 40 | 41% |
| 2020 | 48 | 25% |
| 2019 | 22 | 5% |
| 2018 | 11 | 5% |
| 2017 | 40 | 7% |
| 2016 | 27 | 13% |
| 2015 | 26 | 13% |
| 2014 | 1 | 14% |
| 2013 | 1 | 11% |
| 2012 | 2 | 7% |
| 2011 | 6 | 14% |
| 2010 | 2 | 4% |
| 2008 | 14 | 14% |
| 2007 | 2 | 8% |
| 2006 | 21 | 17% |
| 2005 | 29 | 13% |
| 2004 | 19 | 15% |
| 2003 | 24 | 18% |
| 2002 | 11 | 9% |
| 2001 | 8 | 5% |
| 2000 | 11 | 7% |
| 1999 | 4 | 3% |
Other parts of the 2021 Ford F-350 SD
15 complaintsElectrical system
13 complaintsOther or unknown
10 complaintsTransmission and drivetrain
10 complaintsVisibility (wipers, defrost, mirrors)
7 complaintsBack-over prevention (rear camera)
5 complaintsSuspension
5 complaintsBrakes
4 complaintsLatches, locks and linkages
4 complaintsSteering
4 complaintsBody and structure
3 complaintsVehicle speed control
3 complaints
← All problems reported for the 2021 Ford F-350 SD
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology