If you had work done involving the cooling system I bet it wasn't refilled correctly. On these vehicles the cooling system must be refilled through the thermostat housing when they're drained for service or repair and if they're allowed to run extremely low on coolant. Hope that helps! Jim
my marquis temp gauge drops to cold when at idle but shows normal while driving but drops back to cold when stopped at idle thanks in advance for any help
2004 Mercury Grand Marquis GS Convenience
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Maintenance & Repair
MY AC IN MY 2004 GRAND MARQUIS WONT BLOW OUT COLD AIR. I KEEP PUTTING FREON AND ANTI FREEZE IN THE CAR. AND FOR A FEW DAYS IT BLOWS COLD. THEN WITHIN THOSE TWO DAYS THE CAR BLOWS HOT AIR? I KEEP PUT...
2004 Mercury Grand Marquis GS Convenience
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Maintenance & Repair
When the car is idling or running at a steady speed, there is a rattle that is coming from the engine area under the car. When I hit the accelerator, it goes away. The sound is like a stone in a met...
2005 Mercury Grand Marquis GS
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Maintenance & Repair
It looks like I could have a number of multiple things wrong with this vehicle. I came to work this morning to a running 2004 Grand marquis that the new guy put a fuel pump into the day prior to t...
2004 Mercury Grand Marquis
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Maintenance & Repair
I have a 2004 grand marquis with automatic temperature control that erractically blows air, I have already changed the blower resistor and blower motor and problem still exists. I've read able c...
2004 Mercury Grand Marquis
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Maintenance & Repair
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