1991 Mercury Grand Marquis vehicle speed control problems
12 owner complaints filed with NHTSA name the vehicle speed control on the 1991 Mercury Grand Marquis — 15% of all complaints for this model year.
What owners report
“While driving on the highway with cruise control set stepped on the brakes, but they didn't deactivate the speed control. Turned vehicle off, and then back on, and that didn't help. Had to open the hood to disconnect the switch. Contacted dealer. *ak”
filed May 31, 2000
“Driver turned on ignition ,put transmission in reverse with foot still on brakes , the vehicle took off in reverse, hitting 4 vehicles, and then went forward hitting a building. *ak”
filed Sep 29, 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 1991 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.