2020 Ford F-250 SD engine problems
26 owner complaints filed with NHTSA name the engine on the 2020 Ford F-250 SD — 10% of all complaints for this model year.
What owners report
“Vehicle experienced loss of power while in travel down a mountain. After inspection by a mechanic, CP4 pump had a catastrophic failure sending metal shards throughout the fuel system. This was less than a month after Fords SAFETY RECALL 24S78 that failed to remedy the problem, but before recall…”
filed Mar 31, 2026
“While driving cross country, my dash warning light came on and said " In 50 miles your vehicle will lose power and you won't be able to drive more than 5 mph. DEF problem". I spent $70,000 on this vehicle used with 50K miles on it. Recall from 2024, this is unacceptable. Now another recall for…”
filed Feb 9, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
This article supersedes TSB 25-2572 to update the Parts List to correct the part number LC3Z-6006-L to LC3Z-6781-A, remove the flex plate bolts AL3Z-6379-BA from the parts list as these bolts are in kit LC3Z-6781-A…
TSB 26-2256 · Service Bulletin/Repair Instructions · issued Jun 19, 2026
Engine problems in other F-250 SD years
| Year | Reports | Share |
|---|---|---|
| 2024 F-250 SD | 3 | 8% |
| 2023 F-250 SD | 8 | 19% |
| 2022 F-250 SD | 17 | 14% |
| 2021 F-250 SD | 11 | 7% |
| 2019 F-250 SD | 19 | 2% |
| 2018 F-250 SD | 15 | 4% |
| 2017 F-250 SD | 37 | 3% |
| 2016 F-250 SD | 26 | 9% |
| 2015 F-250 SD | 44 | 15% |
| 2014 F-250 SD | 5 | 19% |
| 2013 F-250 SD | 7 | 33% |
| 2012 F-250 SD | 15 | 26% |
Other reported problem areas on the 2020 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.