Vehicle Speed Control Related Problems of the 2008 Mercury Grand Marquis

Table 1 shows four common vehicle speed control related problems of the 2008 Mercury Grand Marquis. The number one most common problem is related to the vehicle speed control (seven problems). The second most common problem is related to the cruise control (three problems).

Table 1. Vehicle Speed Control related problems of Mercury Grand Marquis


Recently reported Vehicle Speed Control problems of the 2008 Mercury Grand Marquis

The Vehicle Speed Control problem

I was driving in town and several times when I slowed down to stop at a stop sign or corner, after braking my car accelerated by itself. The engine revved up and made the car jump forward. I had to slightly release the brake snd brake harder to stop and avoid going into the intersection.   Read details...

The Cruise Control problem

Cruise control, sudden acceleration. Car went to 80 before I could stop it vehicle is a 2008 Mercury Grand Marquis LS with 27,500 miles on it . The dealer replaced the ecm. This happened to my wife also at 35 mph went to 65 before she stopped it.   Read details...

The Accelerator Pedal problem

Update on odi number 10208094. On the day the Mercury that I own was returned to the dealer to solve the safety problem, an accident occurred within 10 miles of my home. The vehicle was a late model Lincoln town car.   Read details...


Vehicle Speed Control related problems in other Mercury Grand Marquis model year vehicles:



Fuel Economy of Grand Marquis Vehicles
Grand Marquis Service Bulletins
Grand Marquis Safety Recalls
Grand Marquis Defect Investigations