Engine Failure Problems of Mercury Grand Marquis

The contact owns a 2005 Mercury Grand Marquis. While driving 15 mph and making a right turn, the engine failed and the vehicle lost power. The vehicle was struck on the rear bumper by another vehicle. A few minutes later, the contact was able to restart her vehicle and drove to a mechanic. Due to a computer issue, the mechanic was unable to diagnose the cause of failure. The next day, the dealer diagnosed the cause of failure as problem with the throttle body, but did not repair the vehicle. The failure has caused the contact to have panic attacks and to seek a physician for medication. She has not driven the vehicle since. The current and failure mileages were 20,194.

See all problems of the 2005 Mercury Grand Marquis 🔎.

Engine failed.

See all problems of the 1996 Mercury Grand Marquis 🔎.

Computer has to be 'reflashed' every 20,000 miles approximately because of lost data controlling engine timing and optimum automatic shift performance. This could lead to early engine failure.

See all problems of the 1997 Mercury Grand Marquis 🔎.