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Would the crankshaft be the issue for the car losing power or misfiring gears?
Hi! It sounds like there are a number of things that could be going on with your Mountaineer. If you feel like it's in neutral when you're in drive, that is a transmission issue. You can start by checking the...
oil hand keeps flickering had engine oil level sensor replaced
First off, we need to clarify that there is oil level and oil pressure. I'm not sure which one is flickering on your dash, but the one that is the most important to pay attention to is the Oil Pressure...
Where is the A/C compressor low pressure side service port?
Hello there, the answer to this problem is a bit complex. When the system is low on refrigerant, in more cases than not, there is a leak that is causing the low levels. Simply adding Freon may only work for...
cars dies while driving. it will usually start back within a few minutes but will dies again shortly after. 2007 Mercury Mountaineer
Hi there. The first thing I would do is check for diagnostic trouble codes. Your ignition and/or fuel system is intermittently cutting off. If any codes are present, that could give you a clue as to which components are faulty....
Ac doesn't work after radiator replacement
If it flat out does not function at all, it is possible an electrical connector was not re-attached. But there are actually quite a few possibilities, such as the condenser fan not being re-attached, not working, or damaged; the condenser...
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...
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...
Why is my car accelerating by itself?
This vehicle engine has a manual throttle cable and cannot accelerate by itself. You may have a faulty idle air control valve that can cause a high idle but is limited to only about 1250 rpm. I would recommend having...
Stalling at Idle
There can be many reasons for an engine to stall. Since the Check Engine Light is on I would start with scanning the computer for codes and moving forward with a diagnosis from there. You may have a vacuum leak...
How do you know if its really a timing chain gasket? And how long does it take to repair?
It is more likely that the water pump is leaking from its front seal. The leak will show up from the center of the motor area and will drip off the bottom of the timing cover. The timing cover on...
Speedometer is not working
You have an electronic type speedometer in your truck. The speed sensor in the rear axle is the sensor that allows the speedometer to read the speed. You will need to have the computer scanned to see if the...
when should i get a tune up for this type of vehicle
Spark plugs are recommended to be changed before 100,000 miles on your Mercury Mountaineer. You should look into getting it done before that mileage or if you've had another problem that may have fouled the plugs. In this case you...
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...
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 Freon is full and check if the compressor cycles in and out at the proper pressures. The low pressure side should cycle out at about...
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...
Car stalling at average speeds, no engine codes
A faulty air mass meter could cause drivability issues and not throw a code right away. The air mass meter is one of the sensors that help sets base injection timing. If the sensor is reading correctly but is within...
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....
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...
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...
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...

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