One problem related to accelerator stuck has been reported for the 1999 Mercury Cougar. The most recently reported issues are listed below.
While driving 40 mph and without warning, the vehicle suddenly accelerated. The consumer was able to maintain control of the vehicle and drive it to the dealer. The mechanic could not duplicate or resolve the problem. The accelerator stuck as the consumer was taking a right turn. The vehicle spun around and the emergency brake was applied and the vehicle continued until the vehicle was shut off.