Other Fuel System Related Problems of the 1999 Mercury Grand Marquis

Table 1 shows three common other fuel system related problems of the 1999 Mercury Grand Marquis. The number one most common problem is related to the other fuel system (three problems). The second most common problem is related to the other fuel system hoses lines/piping, and fittings (one problem).

Table 1. Other Fuel System related problems of Mercury Grand Marquis


Recently reported Other Fuel System problems of the 1999 Mercury Grand Marquis

The Other Fuel System problem

During normal operation of my car, the check engine light came on and stayed on. I had the engine light codes read and it indicated that two cylinders were misfiring. I took the car to a service shop to have the spark plugs changed.   Read details...

The Other Fuel System Hoses Lines/piping, And Fittings problem

Driving over safety warning strips on the side of the road caused fuel shut off system to stall, which may have caused a crash. Dealer said it was a common problem.   Read details...

The Other Fuel System Pump problem

The passengers side seat beat comes undone at times and the speed sensor works intermittently and it leaks gas from around the fuel pump   Read details...


Other Fuel System 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