my car keeps losing power, I have replaced both the alternator and the battery but it is doing the same thing. whats wrong?

my car keeps losing power, I have replaced both the alternator and the battery but it is doing the same thing. whats wrong? 4 Answers

I have a 1981 Mercury Grand Marquis and it keeps loosing power after 20 minutes of riding. I have anew battery and alternator. I unhooked the radio, AC compressor, and fog lights. It still dies. 2 Answers

I have a 1981 Merc Grand. The previous owner put a 5.0/302 motor in it. There are a few things that has been converted on the car such as the fuel filter now requires a 1976 filter. The factory reco...

I own a 2007 Mercury Grand Marquis LS Sedan 4-Door 4.6L 281Cu. In. V8 FLEX SOHC Naturally Aspirated car. The problem i have encountered at first was intermittent then worked while raining then completely stopped. My car has a dealer alarm installed. The entry keypad, door locks, trunk lock, dome light, rear defogger and the radio delay. What i mean by radio delay is when the car is turned off the radio will remain playing till a door is opened. The before mention does not work with remote control or manually . Yes i have changed the battery in remote yes i have tried to reset the system... Can anyone advise me of what the heck has gone wrong.. Thank you for your consideration, Rich 2 Answers

I own a 2007 Mercury Grand Marquis LS Sedan 4-Door 4.6L 281Cu. In. V8 FLEX SOHC Naturally Aspirated car. The problem i have encountered at first was intermittent then worked while raining then compl...

What's wrong with my car besides the obvious? 1 Answer

Hello. My car is a 2004 Mercury Grand Marquis with 353,051 miles. I just replaced my ground wire. My car idle hard on start up, but then calm down. Now after about 5 minutes of warming up, the car ...

I had the brakes replaced on my car, but the abs light comes on repeatedly & brake pedal starts thumping, it can happen right away or after awhile. 10 Answers

Should I take the car to Ford to have it taken care of? I thought it was a simple brake issue, I guess not. The car had only 40,000 miles when I bought it, now it has 58,000 I don't drive far. Now I...