2021 Toyota Tacoma engine problems
10 owner complaints filed with NHTSA name the engine on the 2021 Toyota Tacoma — 13% of all complaints for this model year.
What owners report
“The plastic coolant crossover valve or pipe failed at 66,000 miles and 5 years of usage. This led to the radiator cracking. After researching online, I read about thousands of Tacoma 3rd generation users with the same issue. Also, the same issue was recalled for several other models of Toyotas but…”
filed May 26, 2026
“This vehicle stalled while driving. It would totally shut off. Once at 75 mph no warning just shut off. Had a cylinder misfire according to dealership. On 2 other occasions it shut off while driving. On those occasions I was backing up out of a driveway and driving slow on a drive. So very slow…”
filed Aug 30, 2024
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine problems in other Tacoma years
| Year | Reports | Share |
|---|---|---|
| 2025 Tacoma | 3 | 4% |
| 2024 Tacoma | 6 | 4% |
| 2023 Tacoma | 8 | 16% |
| 2022 Tacoma | 7 | 12% |
| 2020 Tacoma | 14 | 16% |
| 2019 Tacoma | 27 | 13% |
| 2018 Tacoma | 25 | 12% |
| 2017 Tacoma | 36 | 15% |
| 2016 Tacoma | 47 | 15% |
| 2015 Tacoma | 12 | 12% |
| 2014 Tacoma | 6 | 7% |
| 2013 Tacoma | 7 | 6% |
Other reported problem areas on the 2021 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.