2021 Toyota Tacoma engine problems
11 owner complaints filed with NHTSA name the engine on the 2021 Toyota Tacoma — 14% of all complaints for this model year.
What owners report
“Having two issues major issues that’s causing me a $10,000 bill. The timing cover is leaking and there is a coolant bypass hose that is leaking. I have spend a lot of maintenance on this truck on maintaining it to have to remove the engine. As for the forward collision warning ive had it go off…”
filed Aug 8, 2026
“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
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine problems in other Tacoma years
| Year | Reports | Share |
|---|---|---|
| 2025 Tacoma | 3 | 3% |
| 2024 Tacoma | 6 | 4% |
| 2023 Tacoma | 8 | 15% |
| 2022 Tacoma | 7 | 12% |
| 2020 Tacoma | 14 | 16% |
| 2019 Tacoma | 28 | 13% |
| 2018 Tacoma | 25 | 12% |
| 2017 Tacoma | 36 | 15% |
| 2016 Tacoma | 47 | 15% |
| 2015 Tacoma | 12 | 12% |
| 2014 Tacoma | 6 | 6% |
| 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.