2012 Toyota Tacoma fuel/propulsion system problems
52 owner complaints filed with NHTSA name the fuel/propulsion system on the 2012 Toyota Tacoma — 18% of all complaints for this model year.
What owners report
“Vehicle: 2012 Toyota Tacoma VIN: [XXX] Toyota Special Service Campaign 20TC01 was performed on September 19, 2024, at approximately 103,417 miles. The campaign addressed the secondary air injection system, including the air injection pump and air switching valves. According to Toyota's repair…”
filed Aug 31, 2026
“The check engine light on the dashboard of my 2012 Tacoma turned on and will no longer accelerate appropriately and especially while driving uphill, posing a danger to myself and other drivers. I was on a two-lane highway with a cliffside drop on one side and a wall of steep rock on the other and…”
filed Sep 15, 2023
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Fuel/propulsion System problems in other Tacoma years
| Year | Reports | Share |
|---|---|---|
| 2025 Tacoma | 1 | 1% |
| 2024 Tacoma | 4 | 3% |
| 2023 Tacoma | 1 | 2% |
| 2022 Tacoma | 6 | 10% |
| 2021 Tacoma | 6 | 8% |
| 2020 Tacoma | 21 | 24% |
| 2019 Tacoma | 55 | 25% |
| 2018 Tacoma | 41 | 20% |
| 2017 Tacoma | 23 | 10% |
| 2016 Tacoma | 14 | 4% |
| 2015 Tacoma | 5 | 5% |
| 2014 Tacoma | 3 | 3% |
Other reported problem areas on the 2012 Toyota Tacoma
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.