changed plugs and wires but car still running bad, what could be the problem, check engine still on. What could be the problem?
1998 Mercury Grand Marquis 4 Dr GS Sedan
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Maintenance & Repair
I've been told by a diagnostic done by a local mechanic that I have to freeze plugs that are missing on my 1994 Mercury Marquis can you tell me if it is true that the that the drivetrain must be...
1994 Mercury Grand Marquis LS Sedan RWD
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Maintenance & Repair
My 2003 mercury grand marquis is overheating, even after replacing the fan and thermostat. There does not appear to be any problem with the water pump. I can drive it all day at hiway speeds, but ...
2003 Mercury Grand Marquis LSE
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Maintenance & Repair
2005 Mercury Marquis - Complaint was no airflow from a/c ducts (regardless of mode) Power at one point was not present at motor/harness connector. Simple fix right, replace the motor. Replaced mot...
Mercury Grand Marquis
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Maintenance & Repair
My 1988 Mercury Grand Marquis is still overheating and I have replaced the thermostat, radiator and water pump what else could it be?
1988 Mercury Grand Marquis GS Sedan RWD
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Maintenance & Repair
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