2018 RAM 1500 fuel/propulsion system problems
79 owner complaints filed with NHTSA name the fuel/propulsion system on the 2018 RAM 1500 — 12% of all complaints for this model year.
What owners report
“>What Failed: There is a known issue with the fuel tank safety roll over value not functioning properly in many of the RAM vehicles. The valve stops functioning properly causing the fuel not to enter the gas tank when trying to fuel up. As you try to fuel, the gas comes spraying back out of the gas…”
filed Jul 9, 2026
“Prior to paying cash for this vehicle, I had the dealership connect it to an obd-11 scanner to ensure that there weren't any codes. (I wasn't aware at the time that if the codes were cleared prior to the test drive and before the vehicle was drove a certain amount of miles nothing would show up )…”
filed Jun 13, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Fuel/propulsion System problems in other 1500 years
| Year | Reports | Share |
|---|---|---|
| 2025 1500 | 17 | 6% |
| 2024 1500 | 6 | 9% |
| 2023 1500 | 15 | 8% |
| 2022 1500 | 53 | 9% |
| 2021 1500 | 67 | 10% |
| 2020 1500 | 44 | 7% |
| 2019 1500 | 79 | 5% |
| 2017 1500 | 87 | 10% |
| 2016 1500 | 188 | 12% |
| 2015 1500 | 164 | 11% |
| 2014 1500 | 211 | 12% |
| 2013 1500 | 35 | 3% |
Other reported problem areas on the 2018 RAM 1500
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.