Engine And Engine Cooling Related Problems of the 2004 Mercury Grand Marquis

Table 1 shows four common engine and engine cooling related problems of the 2004 Mercury Grand Marquis. The number one most common problem is related to the manifold/header/muffler/tail pipe (seven problems). The second most common problem is related to the engine and engine cooling (four problems).

Table 1. Engine And Engine Cooling related problems of Mercury Grand Marquis


Recently reported Engine And Engine Cooling problems of the 2004 Mercury Grand Marquis

The Manifold/header/muffler/tail Pipe problem

Tl-the contact owns a 2004 Mercury Grand Marquis. The contact stated that while driving at 30 mph, smoke emitted from the engine compartment of the vehicle. Upon inspection, the contact noticed that there was no coolant in the vehicle.   Read details...

The Engine And Engine Cooling problem

The contact owns a 2004 Mercury Grand Marquis. The contact stated that she noticed a leak underneath her vehicle with the check engine and coolant warning lights illuminated. The contact had taken the vehicle to an independent mechanic where it was discovered that coolant had been leaking from a   Read details...

The Engine problem

2004 Mercury marquis 4. 6 l engine. Spark plug blew out while driving, creating significant safety hazard because of loss of power and presence of combustible gasoline fumes. This is a safety hazard!   Read details...


Engine And Engine Cooling 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