Mercury Grand Marquis Questions Any type

Engine Swap

I have a 1985 Mercury Grand Marquis Ls with a 5.0 302 sitting in it. I want to put a blown v8 in it. Something to make it a sleeper. Despite many Google searches I am having a hard time finding out...

Transmission Swap

My merc grand marquis 2003 is an automatic. I believe it's a 5.4L. Anyway, it started slipping so I asked around. Someone said I could probably find a mustang trans out of a mod motor for a couple ...

Turn It Off And Won't Start Up

Turn the key on, lights come on ,no fuel pump and won't start everything else comes on.

Odometer

I just bought a used 2008 mercury grand marquis (palm beach model). the odometer is in km not miles. The digital speed read out is in Km/h. I can't find the reset button. There are 4 buttons b...

Air Compressor

My compressor comes on but car doesn't rise up

Car Not Starting

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...

Powere Issues

replaced battery and alternator car still cuts off when idling

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

Mercury Grand Marq Oil Light

oil light on

02 Sensors

How do i know wich o2 sensor is bad since mine has 4

Low Midrange Power Runs Like A Raped Ape At 50 And Above

Hi I have a 1999 grand marquis 177,500 miles 4.6 New coil packs (8) new plugs (8) fuel pressure 35 psi K&N filter Car has poor low to midrange power but as soon as you get to 50 mph at 3/4 throttle ...

High Beams Won't Click On

My headlights work but when I try to click on the high beams they won't stay on. What actually needs to be fixed or what is the exact problem? Trying to keep from getting ripped off.

Wiper Electrics

Wipers no longer turn on or off properly I have to disconnect and , or connect each time I need to use them

Signal Lights

signal does not switch back to off after you turn , have to shut it off manually now ???

What Is The Car Garage On Here

My car isn't listed like everyone else's is. I have a website that people have to go to. What is the Car Garage on here. I have 9 pictures on my car, a lot of listed information, and it has been rel...

Will Not Start

My 04 Grand Marquis will not start. It just clicks. The windows and radio do not work. The dash and headlights work.

Upgrade My Radiator And Fan

I want to upgrade my radiator and cooling fan

Transmission Is In Drive But It's Pulling Off In Low Gear.

I have a 1994 grand marquis that I need help figuring out what's the problem with my transmission. Im in drive but the car is pulling off in low gear, like it's stuck in low gear until I come to...