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2003 Mercury Grand Marquis Questions

Get answers to questions about your 2003 Mercury Grand Marquis at RepairPal. Find solutions, diagnose problems and get back on the road.

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115
questions

The lines get real cold like they should, the fan works, and the blend door switch has been changed

won't go up or down

repair power window. driver side window

What is the life expectancy?

Engine light came on and flashes. Engine runs rough with a constant misfire and lacks power

Replaced ABS module and the same issue. ABS unplugged or removed pulsating not felt. What else could cause this issue.

Possible I need new computer. The keys would need to be programmed too. But if I'm wrong I'm out several hundred dollars. A yo e know about the computers in this vehicle?

Making a weird noise was driving thought it was a flat it wasn't tried to stop on brakes they wouldn't move because the tire wouldn't move it's stuck on the driver side .

does the abs on my car cause a rumbling noise when you first start up the car. what part has to be replaced to correct this problem. noise just started 3 months ago

The car shifts perfect both at slow speeds and if i get on it. I thought it was torque converter, i went and bought parts to change it but mechanic said i was wasting my time that it just needed a tune up. Still doing the same thing just not as often. No slipping, fluid looks perfect, would a misfire cause that sort of noise??

I just bought a 03 grand marquis. So I decided to go on the express to get to my destination faster. When I got home I noticed that my rear tires were lifted. I turned off my car and they went back to normal. If I use it on the street nothing happens.

I put my car in drive it goes in reverse