YearToAvoid

2021 Ram 1500 Engine Problems

Engine complaints make up 44% of all 2021 Ram 1500 complaints (296 of 678), the highest share of any model year listed. NHTSA also has a related recall for high pressure fuel pump failure on 3.0L diesel engines that can cause stalling.

Engine complaints
296
44% of 678
Crashes reported
3
Fires reported
2
Injuries reported
7
Median mileage
25,810 mi
Related recalls
1

Typical engine symptoms owners report

  • Owners report sudden unintended acceleration at low speed, even with the brake pedal fully depressed.
  • Multiple owners describe the engine shutting off without warning while driving, sometimes at highway speed, followed by a dash warning like "service electronic throttle control."
  • Several report the truck stalling during low-speed turns or while pulling into traffic, with a prompt to shift to park before it will restart.
  • One owner reported the truck catching fire after being parked for a short time, with no cause found on inspection.
  • Stalling incidents were reported very early in ownership, in some cases within the first few hundred miles of a new truck.

When 2021 Ram 1500 engine complaints were filed

First complaint Apr 5, 2021, latest Sep 8, 2026.

2021 Ram 1500 engine complaints: complaints filed per quarter352021 Q22022 Q12022 Q42023 Q32024 Q22025 Q12025 Q42026 Q3
296 complaints filed with NHTSA from 2021 Q2 to 2026 Q3; peak 2021 Q4 (35).

Engine recalls for the 2021 Ram 1500

  1. NHTSA 22V767000Oct 13, 2022Engine60,413 vehicles

    Engine

    Chrysler (FCA US, LLC) is recalling certain 2020-2022 Jeep Wrangler, Ram 1500, and 2021-2022 Jeep Gladiator vehicles equipped with 3.0L diesel engines. The high pressure fuel pump (HPFP) may fail, causing an engine stall.

    Risk: An engine stall can increase the risk of a crash.

    Remedy: Dealers will replace the HPFP and inspect and replace additional fuel system components, as necessary, free of charge. Owner notification letters were mailed October 17, 2023. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is Z96.

Engine complaints by 1500 model year

Raw complaint counts per model year; newer years have had less time to accumulate complaints.

  1. 2013165 (13%)
  2. 2014414 (23%)
  3. 2015453 (31%)
  4. 2016438 (28%)
  5. 2017226 (26%)
  6. 2018179 (27%)
  7. 2019290 (20%)
  8. 2020177 (28%)
  9. 2021296 (44%)
  10. 2022259 (42%)
  11. 202351 (25%)
  12. 202426 (35%)
  13. 202584 (24%)

Frequently asked questions

How common are engine complaints on the 2021 Ram 1500?
NHTSA lists 296 engine complaints for the 2021 Ram 1500, which is 44% of all 678 complaints filed for that model year — the highest share among the years listed.
Is there a recall for the 2021 Ram 1500 engine?
Yes. Recall campaign 22V767000 covers 2020-2022 Ram 1500 trucks with 3.0L diesel engines, where the high pressure fuel pump may fail and cause an engine stall. Dealers replace the pump and inspect fuel system components free of charge.
At what mileage do engine problems typically show up?
The median mileage at failure reported to NHTSA for this engine complaint category is 25,810 miles, though some owners reported stalling issues within the first few hundred miles.
Do 2021 Ram 1500 engine problems involve crashes or fires?
NHTSA records list 3 crashes, 2 fires, and 7 injuries among the engine-related complaints for the 2021 Ram 1500.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.