Mercury Grand Marquis Questions Maintenance & Repair
Air Compressor
My compressor comes on but car doesn't rise up
Powere Issues
replaced battery and alternator car still cuts off when idling
Cranks But No Start, New Coil,dist,module,relays Wires. Have Spark To Plugs...
1986 mercury 5.0 engine,have spark to plugs, have pip signal on coil white/black wire,S/B on neg side, but only get spark when applied to positive side? Have new coil, dist. module,wires,plugs,map, ...
Misfire After Coil And Plug And Injector Replacement
I have a 2003 mercury grand marquis with a 4.6l engine. It threw a misfire 1 code and misfire 5 code. I replaced the coils and plugs and it's still misfiring on cylinder. It had perfect compression...
2007 Gran Marquis Overheating
So I have quite literally replaced everything on the cooling system except the Radiator, did have it flushed and was told it "looked good" . So my fan does not come on but I directly wired it to my ...
Over Drive Button
Why is my overdrive light blinking on and off & it don’t seems like it’s changing over to the next gear ik it isn’t my trans & I have brand new coil and spark plugs
99 Grand Marquis
We are having to carry 2 batteries with us where ever we go. One to get there one to get home. No further then 40 miles either way. We put new alternator on about 4 months. Ago but never helped. C...
My 1988 Mercury Grand Marquis Still Over Heating
My 1988 Mercury Grand Marquis is still overheating and I have replaced the thermostat, radiator and water pump what else could it be?
Shocks
what shocks go with a mercury grand marquis 2002
Grandma's 87 Mercury Marqis, Seems Brakes On The Right Side, Possible Fron ...
All kinds of running problems, but this possible brake issue is bad, after a mile or so of driving the car starts pulling left driver side, then a mile more car starts draging & bucking, vibration, I'...
Help Asap
I just bought a new battery and my car still won't crank. I have a 99 Marquis. When I connected the battery the car tries to start itself repeatedly with NO KEYS. What is the issue this is scary to...
Fuel Pump
Fuel pump will not work in tank but remove it it will work out of the tank what is the problem
AC Compresser Issue
When turn the AC on in my car the compressor doesn't come on. To test the compresser I jumped pin 30 and 87 where the relay goes. The compressor comes on with that test. That led me to think that ...
Replacing Rear Wheel Bearing
Do I have to remove the axle to replace the rear wheel bearing on my 93 Grand Marquis
2003 Grand Marquis Rear Suspension
rear suspension sits down all the way. I have changed the compressor and it work ok for a while. Now compressor is running but both sides of rear wont raise.
Heating And Air Conditioning
Doing a self diagnostic on the heating and cooling system I'm getting a code 52 on my Grand Marquis 2002 and nobody sells the part anymore how do you fix that you can't just throw the car away at t...
2003 Grand Marquis - Broken Hose
Our Grand Marquis (2003) has a hose connected to a black box on the right frame near the window washer tank. Looks like the hose is broken, but we don't know what it's for, or where it goes to (pic...
Electrical
While traveling the headlights flicker, go dim and return to normal. Have replace battery and alternator Occasionally the battery light comes on and off.
O9 Mercury Marquis Ls
Put now blend door actuator in still not working
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