2003 Toyota Prius engine and engine cooling problems
11 owner complaints filed with NHTSA name the engine and engine cooling on the 2003 Toyota Prius — 11% of all complaints for this model year.
What owners report
“There is no thermostat gauge in a 2003 toyota prius , the car over heats and you don't know until your in the middle of traffic nearly getting killed. Toyota was contacted, but say not a recall and they don't honestly car cause car is old . That's not right , anything you still use from cars or…”
filed Jul 31, 2017
“Tl* the contact owns a 2003 toyota prius. The contact stated his vehicle had been to the dealer approximately thirty times for various safety failures. The contact had experienced the vehicle stalling without warning while traveling uphill at speeds of 25 mph, the instrument panel warning lights…”
filed Apr 29, 2010
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine and Engine Cooling problems in other Prius years
| Year | Reports | Share |
|---|---|---|
| 2022 Prius | 1 | 4% |
| 2019 Prius | 1 | 3% |
| 2018 Prius | 2 | 6% |
| 2017 Prius | 1 | 1% |
| 2016 Prius | 1 | 1% |
| 2012 Prius | 1 | 0% |
| 2011 Prius | 5 | 1% |
| 2010 Prius | 33 | 1% |
| 2009 Prius | 7 | 1% |
| 2008 Prius | 16 | 1% |
| 2007 Prius | 17 | 1% |
| 2006 Prius | 20 | 1% |
Other reported problem areas on the 2003 Toyota Prius
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.