2021 Jeep Wrangler fuel/propulsion system problems
92 owner complaints filed with NHTSA name the fuel/propulsion system on the 2021 Jeep Wrangler — 10% of all complaints for this model year.
What owners report
“Follow-up to complaint 11749455, same vehicle (2021 Jeep Wrangler EcoDiesel, approx. 98,300 miles). Following recall 01A (high-pressure fuel pump replacement), a diesel fuel leak was discovered at a fuel supply component by the servicing dealership. That fuel injector supply line was replaced on…”
filed Jul 24, 2026
“Subject: Safety Complaint – 2021 Jeep Wrangler 2.0L Fuel Pump Failure (Loss of power while driving.) I am filing this complaint regarding a 2021 Jeep Wrangler equipped with the 2.0L engine due to what I believe is a significant safety issue involving the fuel pump. The fuel pump has failed, making…”
filed Jul 13, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Fuel/propulsion System problems in other Wrangler years
| Year | Reports | Share |
|---|---|---|
| 2025 Wrangler | 18 | 31% |
| 2024 Wrangler | 150 | 23% |
| 2023 Wrangler | 43 | 13% |
| 2022 Wrangler | 50 | 13% |
| 2020 Wrangler | 30 | 5% |
| 2019 Wrangler | 9 | 1% |
| 2018 Wrangler | 18 | 1% |
| 2017 Wrangler | 13 | 4% |
| 2016 Wrangler | 13 | 3% |
| 2015 Wrangler | 15 | 3% |
| 2014 Wrangler | 19 | 3% |
| 2013 Wrangler | 30 | 5% |
Other reported problem areas on the 2021 Jeep Wrangler
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.