Most Common Car Issues
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MOST COMMON PROBLEMS
MERCURY Grand Marquis 2002
The 2002 Mercury Grand Marquis LS is a robust sedan manufactured by Ford Motor Company of Canada. Powered by a 4.6L V8 engine with 220-235 hp, it features a single overhead cam (SOHC) design and electronic fuel injection (EFI). This passenger car offers seating for five with front-row airbags and manual seat belts. Built in Talbotville, Ontario, it is a classic blend of comfort and performance.
Spec:
Engine Brake (hp) From
220
Engine Brake (hp) To
235
Engine Configuration
V-Shaped
Engine Manufacturer
Ford
Engine Number of Cylinders
8
Other Engine Info
EFI
Problems:
Oil leaks
Common in older vehicles, especially around valve covers, oil pan, and rear main seal.
Cooling system issues
Radiator, water pump, and thermostat failures can cause overheating.
Ignition coil failure
Misfires and rough idling due to faulty ignition coils.
Intake manifold gasket leaks
Can lead to coolant leaks and engine misfires.
Timing chain wear
Rattling noise from the engine and potential for severe engine damage if the chain fails.
Fuel pump failure
Can cause stalling, difficulty starting, and loss of power.
Throttle position sensor (tps) failure
Unstable idle, stalling, and poor acceleration.
Mass air flow (maf) sensor issues
Poor fuel economy and engine performance.
Crankshaft position sensor failure
Engine stalling and failure to start.