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2004 MERCURY Grand Marquis
Vehicle Summary
The 2004 Mercury Grand Marquis LS is a full-size sedan powered by a 4.6L V8 engine producing 224 hp. Manufactured by Ford Motor Company of Canada in Ontario, this vehicle features comprehensive safety options, including front, side, and curtain airbags for the driver and passenger. It runs on gasoline and falls under the Class 1 weight rating, making it a robust yet manageable passenger car.
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2004 MERCURY Grand Marquis
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Complete Specifications
Known Issues for This Vehicle
Oil leaks
Oil leaks can occur due to worn out gaskets or seals, which is common in older engines.
Coolant leaks
The plastic intake manifold on the 2004 Grand Marquis is prone to cracking, leading to coolant leaks.
Misfiring
Ignition coil or spark plug issues can cause misfiring in V8 engines.
Timing chain wear
Over time, the timing chain may stretch or the tensioner may fail, leading to engine performance issues.
Overheating
Radiator or cooling system failures can lead to overheating, especially in older vehicles.
Fuel injector problems
Clogged or faulty fuel injectors can cause poor engine performance and reduced fuel efficiency.
Vacuum leaks
Vacuum lines can deteriorate over time, causing rough idling and poor acceleration.
Egr valve issues
The Exhaust Gas Recirculation (EGR) valve can get clogged, leading to rough idling and reduced fuel efficiency.
Throttle body problems
A dirty or malfunctioning throttle body can cause stalling or hesitation during acceleration.
Serpentine belt wear
The serpentine belt can wear out and break, leading to loss of power to the engine accessories.
