2020 Ram 2500 Fuel System Problems
NHTSA lists 70 Fuel System complaints for the 2020 Ram 2500, 43% of all 162 complaints filed for the year. Owners commonly report the high-pressure fuel pump (CP4.2) failing, and a related recall (21V880000) covers the HPFP on 2019-2020 trucks with the Cummins 6.7L diesel. Median mileage at failure is 16,055.
- Fuel System complaints
- 70
- 43% of 162
- Crashes reported
- 1
- Fires reported
- 0
- Injuries reported
- 1
- Median mileage
- 16,055 mi
- Related recalls
- 1
Typical fuel system symptoms owners report
- Truck loses power or dies while driving, sometimes on the highway with no warning before shutdown.
- High-pressure fuel pump (CP4.2) fails and reportedly sends metal debris through the fuel system, disabling the engine.
- Vehicle stumbles, shudders, or surges before losing power, in some cases at highway speed with traffic nearby.
- After the truck dies it fails to restart, requiring a tow to a dealer.
- Some owners report an exhaust or emissions warning light appearing at the same time the engine loses power.
- One owner reported the vehicle would not crank again after the fuel injector pump reportedly exploded.
When 2020 Ram 2500 fuel system complaints were filed
First complaint Sep 28, 2020, latest Jan 28, 2026.
Fuel System recalls for the 2020 Ram 2500
- NHTSA 21V880000Nov 12, 2021Fuel System222,410 vehicles
Fuel system, diesel:delivery:fuel pump
Chrysler (FCA US, LLC) is recalling certain 2019-2020 Ram 2500, 3500 pickup trucks, and Ram 3500, 4500, and 5500 cab chassis vehicles equipped with Cummins 6.7L Turbo Diesel engines. The High Pressure Fuel Pump (HPFP) may fail, resulting in a sudden engine stall without warning.
Risk: An engine stall increases the risk of a crash.
Remedy: Dealers will replace the HPFP, update the Powertrain Control Module (PCM) software, and inspect and replace additional fuel system components as necessary, free of charge. Interim owner notification letters to inform owners of the safety recall were mailed on January 4, 2022. Owner notification letters were mailed on May 17, 2022. Phase 2 owner notification letters are expected to be mailed on March 2, 2023. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is Y78.
Fuel System complaints by 2500 model year
Raw complaint counts per model year; newer years have had less time to accumulate complaints.
Frequently asked questions
- Is the 2020 Ram 2500 fuel system reliable?
- NHTSA data shows 70 Fuel System complaints for the 2020 Ram 2500, 43% of that year's 162 total complaints, which is a higher share than most other model years in this dataset.
- Does the 2020 Ram 2500 have a fuel system recall?
- Yes. Recall 21V880000, reported November 2021, covers the High Pressure Fuel Pump on 2019-2020 Ram 2500/3500 diesel trucks. The remedy involves replacing the HPFP, updating PCM software, and inspecting/replacing additional fuel system parts.
- At what mileage do 2020 Ram 2500 fuel system problems occur?
- NHTSA complaint data shows a median mileage at failure of 16,055 miles for Fuel System complaints on the 2020 Ram 2500.
- Are the fuel system failures dangerous?
- NHTSA records show 1 crash and 1 injury linked to Fuel System complaints for the 2020 Ram 2500, with no fires reported.
- How does 2020 compare to other Ram 2500 years for fuel system complaints?
- The 2020 model year has 70 Fuel System complaints (43% share), higher than 2019's 63 complaints (33% share) and far above 2021's 11 complaints (10% share).