1989 Mercury Grand Marquis vehicle speed control problems
14 owner complaints filed with NHTSA name the vehicle speed control on the 1989 Mercury Grand Marquis — 24% of all complaints for this model year.
What owners report
“Dt: the consumer owns a 1989 mercury grand marquis. The engine revved up which caused the vehicle to move forward while he had his foot on the brake. The first time this incident happened it did not cause an accident, but the second occurrence, he rear ended another vehicle. *jb *sc”
filed May 19, 2005
“Consumer experiencing problem with vehicle acceleration. While pulling into an inter section, waiting on traffic light to change, vehicle started to accelerate. Consumer pressed down on brakes to prevent vehicle from hitting another vehicle. Consumer was able to change gear into neutral, and…”
filed Mar 24, 1999
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Vehicle Speed Control problems in other Grand Marquis years
| Year | Reports | Share |
|---|---|---|
| 2010 Grand Marquis | 3 | 13% |
| 2009 Grand Marquis | 4 | 15% |
| 2008 Grand Marquis | 15 | 19% |
| 2007 Grand Marquis | 13 | 14% |
| 2006 Grand Marquis | 37 | 26% |
| 2005 Grand Marquis | 39 | 8% |
| 2004 Grand Marquis | 23 | 7% |
| 2003 Grand Marquis | 27 | 7% |
| 2002 Grand Marquis | 17 | 22% |
| 2001 Grand Marquis | 27 | 17% |
| 2000 Grand Marquis | 13 | 8% |
| 1999 Grand Marquis | 12 | 7% |
Other reported problem areas on the 1989 Mercury Grand Marquis
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.