Mercury Marquis owners have reported 49 engine and engine cooling related problems since 1996. Table 1 shows the 15 most common engine and engine cooling problems. The number one most common problem is related to the vehicle's manifold/header/muffler/tail pipe (26 problems). The second most common problem is related to the vehicle's engine cooling system (5 problems). For details of each of the problem category, use the links in the table.
The contact owns a 1998 Mercury Marquis. The contact stated that while driving at 40 mph, there was smoke coming from the hood of the vehicle. The vehicle was taken to an independent mechanic, who diagnosed that the manifold and the thermostat holder needed to be replaced. The vehicle was repaired. Read details...
Engine and engine cooling system. Suspension front wheel bearing. Read details...
2003 Ford Mercury Marquis lost all power and had to be towed. Read details...
: the contact stated while driving various speeds the vehicle hesitated and stalled. The vehicle was maneuvered off the road and restarted. The vehicle was driven to the dealer who replaced the two coil assemblies and one valve assembly. Read details...
Consumer smelled fuel fumes entering inside of vehicle through the vents. Dealershipwas aware of problem. Read details...