2018 Toyota Tundra engine problems
11 owner complaints filed with NHTSA name the engine on the 2018 Toyota Tundra — 11% of all complaints for this model year.
What owners report
“This is the second occurrence of "rodent" damage eating engine wires. The first incident cost me $2,000. This has now occurred again. There is something "maybe soy based" or environmentally friendly materials that are attracting rats, and mice to cause engine damage by eating essential wiring and…”
filed Dec 20, 2024
“Cam tower is leaking oil. I was told by the dealership that the oil is dripping onto the exhaust and could cause a fire! The truck is five years old with only 35000 miles on it! Apparently the sealant that is supposed to hold the cam tower together can start leaking oil! But I didn't expect it to…”
filed Jul 27, 2023
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine problems in other Tundra years
| Year | Reports | Share |
|---|---|---|
| 2026 Tundra | 4 | 18% |
| 2025 Tundra | 44 | 35% |
| 2024 Tundra | 135 | 43% |
| 2023 Tundra | 154 | 40% |
| 2022 Tundra | 158 | 38% |
| 2021 Tundra | 1 | 4% |
| 2020 Tundra | 5 | 11% |
| 2019 Tundra | 2 | 3% |
| 2017 Tundra | 5 | 6% |
| 2016 Tundra | 5 | 4% |
| 2015 Tundra | 3 | 6% |
| 2014 Tundra | 7 | 8% |
Other reported problem areas on the 2018 Toyota Tundra
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.