Question about 1999 Mercury Cougar

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99 Cougar dies while driving it. It has a new battery and alternator is testing fine. What else could it be?

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Go to http://cougarfix.yolasite.com for the answer to your problem.

Posted on Oct 11, 2010

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I own a 2000 mercury cougar. it has a problem that I dont kno anything about. it starts driving and dies. first it drives normally and then it dies. people in car shop told me that its a dead alternator....


Replace the fuel filter with a new one, see if it solves your problem, then I would have the fuel pressure tested to see if the fuel pump is faulty. Some times they will run, but won't hold enough pressure to run an engine at speed. Or you could just get a new pump and replace it, so at least you can rule it out as the culprit.

Dec 05, 2013 | Cars & Trucks

1 Answer

Car dies after a short time of running. I took it into an autozone and they tested the battery and the alternator. the said the alternator is fine but the battery needs to be replaced. The car started up...


Sounds like the battery. If its not holding power it will cause the car to die. The alternator will charge the battery and keep power to the vehicle, but the battery is also apart of the process.

Replace the battery and check the battery cables for corrosion. At autozone or wherever you go to get a new battery get some terminal grease/protector for your battery. Its like .99 for a packet and will help keep your connections to the battery from corrosion.

Oct 11, 2011 | 1995 Nissan Quest

1 Answer

99 cougar 2.5 v6..starting problems


take your car to autozone. It might be your alternator. It is better if you take off the alternator to have it tested, just incase it is a parasitic leak. This happened to my navigator 2 days ago. It was wierd because it ran fine when it was warm outside. But kept killing by battery when it was cold!

Mar 05, 2010 | 1999 Mercury Cougar

1 Answer

All gauges went dead while driving, lights progressively dimmed and finally engine quit.


Your alternator died. You drove until your battery died also. You need a new alternator and a new battery. You might be able to get away with just charging your battery. Do Not jump start the vehicle and let the new alternator try to charge the old battery! Take the battery to a service station for testing and a charge. Install the new alternator and then install the charged battery not vice versa and you'll be fine.

Feb 20, 2010 | 1999 Honda Odyssey

1 Answer

I have a 1999 cougar and the charging systems power fluxuates causing the lights and motar to pulse


Same thing with my sister's 99 cougar. Her alternator is brand new and when it was replaced he had a hard time with the alternator cable so I'm thinking it is a loose wire to the alternator causing this to happen. It's either that or the brand new re-furb AutoZone junk alternator which I have had issues with in the past on another car. Check your main alternator wire and also check your battery posts for corrosion.

Jan 10, 2010 | 1999 Mercury Cougar

3 Answers

99 cougar won't start


Is the clicking sound from under the dash or under the hood? Does the engine crank over?

Jun 22, 2009 | 1999 Mercury Cougar

1 Answer

99 discovery/ dies while driving


sounds like the belt is loose. if it has a tensioner check and or replace it, if not tighten the belt. or the alternator tests ok but is actually not working at low rpm. or the battery is shorted. electricity is tricky

Dec 07, 2008 | 1999 Land Rover Discovery

1 Answer

CAR DIES OVERNIGHT!!!


When you test the alternator in the way you said you did. By removing the positive cable, you damage the ECU or computer. You are probably going to have to replace the CPU or ECU both mean the same thing. You also damage some resistors and other electronic components on the alternator itself when checking it this way. In the old cars , that did not happen because they had no CPU or ECU. Now it does.

Nov 20, 2008 | 1999 Mercury Cougar

1 Answer

99 COUGAR


Look at the fuel filter. May also be a bad fuel pump.

OR
several CAR products had a torque converter lock up problem. It would shift in and out at a certain speed. Sometimes changing the transmission fluid will fix it.

OR
it could bealternator problem
It's the same as on any other car. If it's starting to go, you may notice a drop in RPMs below normal, when slowing. When you go to start it, it may not want to at first and may seem like the battery is going dead. Lastly, at night, when you turn your headlights on, if anything dims greatly, or lights lightly pulsate, these are all signs. The best thing to do is to take it up to an Autozone or something like that and get a battery and alternator test.

Sep 23, 2008 | 1999 Mercury Cougar

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