One problem related to speed control springs has been reported for the 2002 Mercury Grand Marquis. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2002 Mercury Grand Marquis based on all problems reported for the 2002 Grand Marquis.
When the car was put in reverse the car started back at a rapid speed before the gas pedal was depressed. Later found that the pedal was broken and the spring missing, making the pedal almost touch the bottom of the dash.
| Vehicle Speed Control problems | |
| Cruise Control problems | |
| Accelerator Stuck problems | |
| Speed Control Springs problems | |
| Car Accelerates On Its Own problems |