2003 Pontiac Grand AM engine problems
17 owner complaints filed with NHTSA name the engine on the 2003 Pontiac Grand AM — 5% of all complaints for this model year.
What owners report
“Engine has lost power from 150hp @ 3K RPM and 200ft·lb @ 4K RPM. It is now 50hp @ ½K RPM & 75ft·lb @ 2K revolutions per minute. Gear Shift Button has seperated from globe. Radio needs to be replaced or reset daily. Rear window defroster has seperated from window, and won’t retain position. Tire…”
filed Nov 25, 2023
“Tl* the contact owns a 2003 pontiac grand am. While driving approximately 20 mph, the vehicle shut off and the engine indicator illuminated. The failure recurred several times. The dealer was not called. The vehice was taken to an independent mechani, but was not diagnosed or repaired. The…”
filed Dec 24, 2018
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine problems in other Grand AM years
| Year | Reports | Share |
|---|---|---|
| 2005 Grand AM | 10 | 10% |
| 2004 Grand AM | 17 | 6% |
| 2002 Grand AM | 11 | 3% |
| 2001 Grand AM | 9 | 2% |
| 2000 Grand AM | 10 | 1% |
| 1999 Grand AM | 13 | 2% |
| 1998 Grand AM | 3 | 2% |
| 1996 Grand AM | 1 | 0% |
| 1994 Grand AM | 1 | 0% |
| 1993 Grand AM | 1 | 0% |
| 1991 Grand AM | 1 | 1% |
Other reported problem areas on the 2003 Pontiac Grand AM
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.