2012 Jeep Wrangler fuel/propulsion system problems
42 owner complaints filed with NHTSA name the fuel/propulsion system on the 2012 Jeep Wrangler — 5% of all complaints for this model year.
What owners report
“Having a hard time putting gas, I have to do it slowly so it can go in, the worst is when I put fuel a bit more fast it will throw gas out even if it ain't even close to half the tank.”
filed Dec 22, 2025
“When the fuel vents on the top of the fuel cell get old, they are extremally brittle. Washboard roads or a pot hole can jar the fuel tank breaking the connectors that go to the emissions system and the rollover valve. If any of these plastic pieces break, there is a chance for fueling problems and…”
filed Oct 18, 2023
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% |
| 2021 Wrangler | 92 | 10% |
| 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% |
Other reported problem areas on the 2012 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.