2003 Toyota 4RUNNER power train problems
21 owner complaints filed with NHTSA name the power train on the 2003 Toyota 4RUNNER — 4% of all complaints for this model year.
What owners report
“The frame of the car has been rusting at a significant rate in the last 4 years. Mechanic identified major rust issues that would make the vehicle not safe in case of an accident.”
filed May 10, 2022
“The rust and corrosion underneath the vehicle continually gets worse year after year. The main components of vehicle relating to the engine, powertrain and suspension underneath vehicle are corroded; holes exist in the frame of the truck through out. The frame of truck is rotted due to not being…”
filed Apr 15, 2022
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Power Train problems in other 4RUNNER years
| Year | Reports | Share |
|---|---|---|
| 2025 4RUNNER | 2 | 4% |
| 2023 4RUNNER | 2 | 7% |
| 2022 4RUNNER | 1 | 3% |
| 2021 4RUNNER | 1 | 3% |
| 2020 4RUNNER | 1 | 3% |
| 2019 4RUNNER | 4 | 6% |
| 2018 4RUNNER | 3 | 5% |
| 2017 4RUNNER | 1 | 3% |
| 2016 4RUNNER | 6 | 8% |
| 2015 4RUNNER | 4 | 5% |
| 2014 4RUNNER | 1 | 1% |
| 2013 4RUNNER | 1 | 3% |
Other reported problem areas on the 2003 Toyota 4RUNNER
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.