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Mountaineer

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Question
Engine oil leak
Hello there, thank you for asking about your 2007 Mercury Mountaineer. This is a fairly common issue on many cars. Your car is equipped with a V-8 motor which has two separate "sides" of the motor where the cylinder heads...
Question
My car will not start when I turn the key, it just makes a clicking sound. What is wrong?
A starter like any other mechanical and electrical part is subject to failing sometimes for no apparent reason. However, sometimes this is misdiagnosed as well and often times mistaken for something much more simple like a fuse, relay, or starter...
Question
Door remains ajar no matter how hard we slam it.
Hey there. You should look at the door latch and the striker to see if you see excessive wear on the striker or if the plastic covering on the latch has been worn off. If they are worn, then the...
Question
I have a 2000 Mercury Mountaineer and the AC only works if I'm going under 40-50mph
Hi, thanks for writing in. I suggest checking the AC pressures to see if the refrigerant is full and check if the compressor cycles in and out at the proper pressures. The low pressure side should cycle out at about...
Question
Engine light keeps coming on after I reset it
Hi, thanks for your question. You will need to have the computer system scanned to see what code is stored in the computer and have it diagnosed. The code may be something from the previous repairs or something new. If...
Question
Bottome of vehicle makes a helicopter sound when driving at slow speeds
The sound you are hearing is related to the tires moving from what it sounds. The first thing to inspect is proper tire inflation. Tires make strange noises when they are low or damaged. Second needs to be the brakes....
Question
Locked out of my car
Hey there. In order to use the keypad on the side of your Ford product, you will need to know the five digit code that corresponds to your vehicle. There is a sticker hidden somewhere in your vehicle that tells...
Question
My car continuously overheats and blows the radiator cap
It sounds like you may have a restriction in your cooling system that is preventing the proper flow of coolant through the engine. I would recommend having the system power flushed to remove any restrictions that may exist. The restriction...
Question
I have oil and water mixing in the engin but there is no oil in on the plugs.
No. There is only 1 common possibility for this engine to get water into the oil, and that is a blown head gasket. This often, but not always, follows an overheating event, and some times also occurs with vehicle mileage...
Question
How do you check and fill a transmission on a 2005 mercury mountneer
Unfortunately, your car does not have the old style dipstick access and so it is really involved to change the fluid. Drain and refill on this model requires the following tools: Rubber Tip Air Nozzle (100-D009 (D93L-7000-A), Vacuum Pump Kit...
Question
When i have my car running with my heat or ac on my car hesitates like it wants to stop when i'm stopped at a light.
As you may know, your car's AC system when working properly puts an extra load on the engine at all times when it is running. When this happens, your car's computer makes adjustments to compensate for this extra load on...
Question
Low idle and stops, sometimes stalls at idle.
As you know, the idle air control valve reads the air intake as it is mixed with fuel prior to being injected into the engine at low speeds and at idle. As this valve is controlled by the vehicle's computer,...
Question
Too lean in bank 1 and bank 2
Hi and thanks for contacting YourMechanic. When the engine becomes too lean, then combustion chamber becomes very hot causing the head gasket to burn, valves begin to burn, and the rings being to seize up. Check the camshaft sensor and...
Question
when I cut the wheel all the way on my truck it slows me down and I have to give it a decent amount of gas to get it to move
Hello. Thanks for writing in. Due to the fact this major loss of power only happens when turning, it is likely the assisted steering that is straining the engine. The power steering system is powered by the engine and drive...
Question
The Check Engine Light comes back on after I reset it
When the Check Engine Light comes on without any specific warning, this can indicate a variety of possible issues. Unfortunately, without more specific symptoms, this can be tough to diagnose without the use of a scanning tool and the skill...
Question
Hi temp low oil and low oil pressure warnings come on
Hello. The warning lights that are coming on can be caused by a few different things. If all three have come on at the same time then it is very likely that the oil has run low. Aside from causing...
Question
No start, new key
Hello. In most cases the plastic cover that goes over the ignition switch should not prevent the engine from starting, it sounds more like your vehicle is being immobilized by the anti theft system. You may be able to deactivate...
Question
2004 mercury mountaineer a/c works. No heat fan switch only works on 4 car not overheating Smell antifreeze inside car but no leak
The blower resistor in the blower housing for the a/c blower most likely has gone bad and open circuit in resistor. Replace the blower resistor. The smell of coolant in the dash vents may be from a leak in the...
Question
I think my four wheel drive is locked. What will cause this issue?
Hi there. There is an actuator on the front axle that engages the front axle to make the 4WD work. Your transmission is an all wheel drive transmission and the actuator is what disengages the front axle so the vehicle...
Question
My mechanic says I need a throttle body with a vacuum hose for my 04 mercury mountaineer. I've found throttle bodies but none of them mention a vacuum hose.
Hi there. The best thing would be to check the throttle body that is currently on the engine. If the throttle body has vacuum hoses to it, then you would need to get a throttle body with a vacuum hose....

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