2003 Mazda MPV power train problems
35 owner complaints filed with NHTSA name the power train on the 2003 Mazda MPV — 31% of all complaints for this model year.
What owners report
“My 2003 mazda mpv has a horrible transmission shifting problem. Took it to dealer and they said it's the transmission control module. They charged me 1,500 dollars to install new and and reflash it and the transmission still doesn't shift properly.”
filed Jan 31, 2019
“Tl*the contact owns a 2003 mazda mpv. The contact stated that while driving the engine light illuminated and the engine began to stall intermittently. The dealer replaced the pcv valve on 10/5/2004. The failure occurred again in september 2010. The ignition coils were also replaced. The vehicle was…”
filed Oct 1, 2010
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
This Service Alert supersedes the previously issued SA listed below: The changes are noted in Red. SA-011/24 02/12/24, 06/06/24, 07/29/24 DESCRIPTION Mazda has developed factory recommended scheduled maintenance…
SA-029-26 · Service Bulletin/Repair Instructions · issued Apr 21, 2026
Power Train problems in other MPV years
| Year | Reports | Share |
|---|---|---|
| 2005 MPV | 1 | 3% |
| 2004 MPV | 8 | 11% |
| 2002 MPV | 66 | 53% |
| 2001 MPV | 10 | 14% |
| 2000 MPV | 7 | 5% |
| 1998 MPV | 1 | 5% |
| 1997 MPV | 2 | 9% |
| 1995 MPV | 2 | 11% |
| 1994 MPV | 3 | 8% |
| 1993 MPV | 17 | 33% |
| 1992 MPV | 15 | 25% |
| 1991 MPV | 16 | 24% |
Other reported problem areas on the 2003 Mazda MPV
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.