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Cougar

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Question
Sunroof stuck open.
You may have a bad relay or faulty switch for the sunroof. If the sunroof doesn't move at all I would have a technician come out and test voltages from the switch and relay and to diagnose the problem.
Question
Loss of power under acceleration
Hello, thank you for writing in. The components you have checked thus far have been valid steps. You want to go through system by system, and make sure the engine is getting what it needs. Start with the fuel system,...
Question
Loss of power
Hi there. Honestly, your acceleration issues could be a combination of bad O2 sensors (upstream and downstream), faulty electrical harness or connections and the catalytic converter being clogged or worn out. It's also possible that fuel system components are dirty...
Question
Idle is very high
This is a common sign of a major vacuum leak. This can be very difficult to trace as there are many places a vacuum leak can emit from. I would recommend having an expert from Your Mechanic come to your...
Question
Headlights and dash lights flicker
It is possible that your voltage regulator is going bad. Normally, this is integrated into the alternator but some vehicles have it separate. If the voltage regulator has failed, the amount of power that all your vehicles accessories will receive...
Question
Clicking sound when turning over.
This may be related to a faulty starter solenoid. The starter solenoid is located on the starter and has internal electrical contacts that transmit electricity to the starter. When this fails, it may cause a clicking sound and will not...
Question
Car gets hot
This can be caused by a number of things such as low coolant levels, a faulty thermostat, or a failing coolant fan switch. As you may know the coolant fan switch helps to maintain the proper coolant temperature by turning...
Question
Wired radio while driving car shut down
The cause of this malfunction is undoubtedly electrical in nature and perhaps includes blown fuses. Regardless of the underlying cause, if you request a no start diagnostic the responding certified mechanic will get the problem diagnosed and repaired for you...
Question
high idle around 3000 rpm when i start car when cold for about a minute then drops to 700 rpm, then it idles up and down in park
Although you replaced the idle control valve (ICV), a faulty or blown fuse in other electronically controlled systems can cause the IAC motor to malfunction, leading to a higher than normal engine idle speed. Other possible causes of a high...
Question
Put new clutch&fuel pump in now gas gauge doesn't work&stick won't go in 1or2LooseStick'99mer.cougar.Why is that? Holly
It is very possible that the mechanic's who did the work did not do it properly. I would recommend asking a mechanic who did the work to take a second look to ensure that their work was performed properly. The...
Question
Engine sputters when accelerating. Eventually will lose all power and I have to pull over. Replaced fuel pump and filter
Hello, thank you for writing in. Due to the various components and systems that can cause these symptoms, there will need to be several tests and inspections to determine the issue. The vehicle needs to be scanned for diagnostic codes...
Question
Can you reset or bypass traction control?
if the light came on after replacing the tires, verify that the tires are the same size front and rear. Anti-lock brake and traction control systems work by measuring wheel speed. Different size tires have different diameters, so they have...
Question
Car wont start--check engine, oil pressure, and battery light all on
Hi There, If your oil pressure falls below a specific level, the ECM (car's computer) will automatically shut the engine down to avoid further damage to the engine. This is done as a safety precaution. Typically, the oil pressure light...
Question
Push gas in gear and it boggs down a lot
It sounds like you may have an over fueling situation going on where the motor is being provided more fuel than it can efficiently burn, resulting in the raw fuel smell you describe. This can happen for many different reasons...
Question
drive side (L.H) lower control arm does it have tenssion on it? If so what will i need to get the tension off?
Considerable disassembly is required on this model in order to remove and replace the left lower control arm. Among the many steps in the repair procedure, the steering shaft linkage must be disconnected and the sub frame of the vehicle...
Question
My 1991 Mercury Cougar LS has a replaced alternator and new battery but it seems the battery dies over night and the car will not start.
Hi there. It seems that there is a Parasitic Load on your battery. This is a load of something on when the key is out of the ignition switch and the doors shut. To check this condition perform the following:...
Question
I replaced new fuel pump and filter and ran good for two days and now it won't start
The fuel pressure should be checked to see if the new fuel pump failed. If pressure is below 40 psi when the key is turned on then replace the fuel pump and filter. When the tank is out you should...
Question
Fuse box 2000 Mercury Cougar
Hi there - this sounds like a major electrical failure! Something serious enough to melt the fuse box, is a serious fire risk as well as a functional problem I would investigate the cause of the electrical short if possible...
Question
Rear axle fishtailing at low speeds.
Hi there. Check the suspension to the rear axle and see if anything is broken. You will have to raise up the vehicle and see if the rear tires can move back and forth. If they do, then there is...
Question
My car shakes and dies when stopping.
Shaking or vibrating may be caused by many different things such as faulty spark plugs, poor fuel pressure or misfires. Other things such as a faulty idle air control valve may cause the engine idle to drop below the normal...

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