While waiting at a stop engine started to rev to a high rate. Driver shifted into neutral to help resolve the problem, which failed. Has been in contact with mechanic, and cause of problem has yet to be determined.
2002 Mercury Grand Marquis acceleration complaints
Page 2 of 2: complaints 11 to 17 of 17, newest first, as owners wrote them.
Sudden acceleration of vehicle
When pressing accelerator pedal it sticks.*ak consumer states that the accelerator stuck on 2 occasions due to defective throttle body system, throttle body was replaced.
Cruise control was set at 65mph on the vehicle. Cruise control would not disengage manually or when brake pedal was applied. Speed increased to 75mph before emergency brake was applied to stop vehicle. Mercury dealer was notified. *ak
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.
While putting vehicle in gear vehicle sped up without consumer applying pressure to accelerator. Vehicle was totaled. Contacted dealer, and dealer was not willing to do anything.*ak the dealer stated that they were waiting to hear from ford on the engine vibration problem. Consumer was getting the vehicle washed and the attendant explained that while attempting to move the vehicle off the conveyor, the vehicle raced across the highway and although his foot was on the brake, the vehicle would not stop. The vehicle finally came to a rest after crashing into an oncomming van. The vehicle was totalled.
Vehicle acellerated without prior warning. He applied brakes to gain control of vehicle, but brakes failed to stop vehicle. Dealership was aware of problem.
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