2004 Toyota Sienna engine problems
13 owner complaints filed with NHTSA name the engine on the 2004 Toyota Sienna — 1% of all complaints for this model year.
What owners report
“When negotiating moving into traffic at slow speeds, when a small amount of accelerator movement is made the vehicle rapidly accelerates making it necessary to quickly apply the brakes to avoid collision. The vehicle was purchased used from a dealer and there was a recall bulletin (tech service…”
filed Nov 4, 2015
“Radiator failure resulting in coolant leakage in the transmission fluid and transmission is failing. I noticed my 2004 toyota sienna had some belt noise that got worse. The van was due for a water pump/timing belt change. Later the engine temperature gauge read high and after checking the fluids…”
filed Apr 25, 2015
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Engine and Engine CoolingCampaign 11V539000 · Nov 9, 2011
Engine problems in other Sienna years
| Year | Reports | Share |
|---|---|---|
| 2022 Sienna | 5 | 4% |
| 2021 Sienna | 8 | 5% |
| 2020 Sienna | 6 | 17% |
| 2019 Sienna | 4 | 9% |
| 2018 Sienna | 5 | 7% |
| 2017 Sienna | 15 | 10% |
| 2016 Sienna | 4 | 5% |
| 2015 Sienna | 15 | 7% |
| 2014 Sienna | 11 | 7% |
| 2013 Sienna | 7 | 4% |
| 2012 Sienna | 9 | 4% |
| 2011 Sienna | 23 | 4% |
Other reported problem areas on the 2004 Toyota Sienna
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.