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Fuel systemPart report

2021 Ford F-250 SD Fuel system Problems

Complaints
44about this part
Share
26%of 167 total for the year
Median mileage
92,000miles
Trend
RisingComplaints filed in the last 3 full calendar years are at least 25% higher than in the 3 years before.

NHTSA recorded 44 complaints about the fuel system of the 2021 Ford F-250 SD, 26% of the 167 complaints for this model year. Where a mileage was given, the median is 92,000 miles. 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.

“The high pressure fuel pump failed while traveling causing the truck engine to shutdown placing us at risk of a collision when we took the vehicle to ford dealership in Morrilton, AR we were advised that the CP4 pump or high pressure fuel pump failed containing the entire fuel system with metal shavings. The cost to repair this failure is over $13,000 causing us to take out a loan.”

NHTSA complaint #11633914, filed 2025-01

“The secondary fuel filter is leaking and Ford has told me my vehicle was manufactured 1 month too early and doesn’t qualify for a previous recall…They know about the secondary fuel filter housing cracking and being an issue!”

NHTSA complaint #11726273, filed 2026-03

“My 2021 F-250 has had a complete failure due to the fuel system recall notice. Ford will not repair my truck and it has been sitting dead in my lot since April of 2025. Dealer states complete fuel system repair is needed.”

NHTSA complaint #11695791, filed 2025-10

“Hi. I took my 2021 f250 6,7 to the ford dealership as it was having trouble starting, and just wasn’t running great. They changed the batteries, and told me it was a NOX sensor. So I went and got my truck to fix the sensors myself; because they wanted to charge me close to 3 grand. The next day I got up, lo and behold it wouldn’t crank. I had to have it towed back to the dealership. I tested codes before I had it towed, and took a video of it not cranking. The following codes showed. …”

NHTSA complaint #11678590, filed 2025-08

“A 26000 miles the cp4 fuel pump failed and stranded my family (on the busiest road) in Colorado while pulling a trailer. This is a known problem, with multiple manufactures, for more than a few years. Yet here we are!?”

NHTSA complaint #11552725, filed 2023-10

Related recalls

Related service bulletins

Fuel system: other model years

YearComplaintsShare of year
2026111%
202425%
202337%
20223124%
20214426%
20206424%
2019504%
2018215%
2017545%
20162910%
20153411%
2014519%
2013419%
2012611%
20111311%
201039%
200929%
200886%
200724%
200652%
2005269%
20043815%
20032413%
2002104%
200172%
200063%
1999135%
199738%
199619%
1995111%

Other parts of the 2021 Ford F-250 SD

Transmission and drivetrain
25 complaints
Electrical system
18 complaints
Suspension
18 complaints
Visibility (wipers, defrost, mirrors)
17 complaints
Steering
15 complaints
Other or unknown
14 complaints
Engine
11 complaints
Body and structure
11 complaints
Back-over prevention (rear camera)
10 complaints
Brakes
7 complaints
Exterior lighting
5 complaints
Lane departure
5 complaints

← All problems reported for the 2021 Ford F-250 SD

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 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