One problem related to other fuel system fuel injection system has been reported for the 2000 Mercury Grand Marquis. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2000 Mercury Grand Marquis based on all problems reported for the 2000 Grand Marquis.
Air leak in intake manifold or egr or pcm system cylinder 3 misfire dirty fuel injection.
| Other Fuel System Fuel Injection System problems | |
| Other Fuel System problems | |
| Other Fuel System Pump problems | |
| Other Fuel System Hoses Lines/piping, And Fittings problems |