Tl* the contact owns a 2007 mercury grand marquis. While pulling up to a traffic light, the vehicle accelerated forcefully. The brake pedal was depressed multiple times, but the vehicle accelerated and tapped the preceding vehicle. There were no injuries and a police report was not filed. The engine was turned off, restarted, and the vehicle resumed normal operation. The failure recurred on a separate occasion. The vehicle was not diagnosed nor repaired. The manufacturer was not notified of the failure. The failure mileage was 67,000.
2007 Mercury Grand Marquis acceleration problems
13 complaints (14% of all complaints for this car). Typical mileage when it fails: 39,000. 4 crashes reported.
- owner complaints
- 13
- of this car's complaints
- 14%
- typical mileage
- 39,000
- crashes
- 4
- recalls
- 0
Which part fails
- Accelerator pedal4
At what mileage
Complaints by mileage at the time of the problem.
Mercury Grand Marquis acceleration problems in other years
Related recalls
No recalls on record for this model year.
What 2007 Mercury Grand Marquis owners say
Most recent owner complaints, unedited.
Tl* the contact owns a 2007 mercury grand marquis. The contact stated that while attempting to park, the engine revved and then accelerated forcefully. The brake pedal was depressed multiple times and the vehicle accelerated over the parking space block. The engine was turned off. After restarting, the vehicle resumed as normal. The failure recurred on a separate occasion. The vehicle was taken to the dealer for diagnosis. The technician was unable to duplicate the failure. The manufacturer was notified of the failure. The approximate failure mileage was 70,766. Updated 11/09/15*lj
The brake and accelerator pedals are too close together and at the same height. On numerous occasions, when attempting to brake I found myself accelerating since the brake and accelerator were both depressed. The pedals are not adjustable and I really have to concentrate when braking to avoid the accelerator pedal or my car just keeps on going.
Tl* the contact owns a 2007 mercury grand marquis. The contact stated that the vehicle was started and as she lightly depressed the accelerator pedal, the vehicle rapidly accelerated and crashed into a wall from the front passenger's side. The contact did not sustain any injuries. The vehicle was taken to the dealer but was not inspected for the cause of the failure. The body damage was repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 106,000.
Gas pedal went all the way to the floor and would not release. I kept hitting the pedal to try and release it for about 2 miles. I kept my foot on the brake to try and slow the car down, but that didn't help. The floor mat was not under the pedal because it is too short to reach it. After hitting the pedal as hard as I could numerous times it released.
Tl* the contact owns a 2007 mercury grand marquis. The contact was reversing from a parking spot and when she shifted into drive, the vehicle rapidly accelerated independently and crashed into a building. The contact was not injured. The vehicle was towed to a tow lot and was not taken to the dealer for inspection or repairs. The manufacturer was not contacted. The failure and the current mileage was 39,000.
Tl* the contact owns a 2007 mercury grand marquis. The contact stated that the vehicle would not accelerate from a stop. The contact then shifted into reverse and the vehicle surged backward until crashing into a concrete post. The vehicle was towed home. The failure was not diagnosed or repaired. The manufacturer was not made aware of the failure. The failure and current mileages were 26,093.
Speed control is not working correctly.
Ltr fwd email fm (ny) reporting incident of sudden unintended acceleration fm owner of a 2007 mercury grand marquis, reply to massapequa park district ofc. *tgw the consumer stated while driving on the turnpike, the vehicle suddenly accelerated and he could not stop it, until he turned off the engine and coasted quite a distance. The vehicle was towed to a ford dealership and the dealer claimed there was carbon buildup in the air filter which caused the sudden acceleration. The consumer stated he experienced the same problem again. The consumer believed it is the same problem toyota's are having.
2007 mercury grand marquis accelerator problems. Consumer states that the throttle is up to high and he doesn't even have to push the accelerator down, it automatically moves when it is put into gear. *kb the consumer stated when he removed his foot from the accelerator, there was no noticeable deceleration. The dealer informed the consumer the throttle control sensor was set at the factory and was not adjustable at the dealer level.
Questions about the 2007 Mercury Grand Marquis acceleration
Does the 2007 Mercury Grand Marquis have acceleration problems?
Owners have filed 13 complaints about the acceleration of the 2007 Mercury Grand Marquis, 14% of all its complaints.
At what mileage do 2007 Mercury Grand Marquis acceleration problems start?
The typical (median) mileage in owner complaints is 39,000 miles.
Was there a recall on the 2007 Mercury Grand Marquis acceleration?
There is no recall for this problem on this model year.
What year does the Mercury Grand Marquis have the most acceleration problems?
The Mercury Grand Marquis model years with the most acceleration complaints are 2005 (39 complaints), 2006 (37 complaints) and 1994 (33 complaints).
Other 2007 Mercury Grand Marquis problems
Tires 23Body 18Steering 9Engine 7Airbags 6Brakes 6Fuel system 5Lights 5Transmission 5Seat belts 3Wheels 3Suspension 2Electrical 1Seats 1Visibility 1
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