Engine Failure problems of the 1997 Mercury Grand Marquis

One problem related to engine failure has been reported for the 1997 Mercury Grand Marquis. The most recently reported issues are listed below.

1 Engine Failure problem

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.




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