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Mercury

If you drive locally at low speeds, and the car is controllable, it is probably OK to use on a short term basis. I'd be reluctant to more specifically state that it is "safe to drive" though for two reasons:...

Hi Karla. Thanks for contacting us tonight. If the starter solenoid has been changed before the actual starter has been, it's likely that the starter is what's causing the gear to have issues connecting to the flywheel. However, before you...

Hello, thank you for writing in. If the vehicle is cranking over, as in the starter is turning over the eninge (but it fails to start) then you are looking at a fuel or spark issue. If you are testing...

This vehicle engine has a manual throttle cable and cannot accelerate by itself. You may have a faulty idle air control valve (https://www.yourmechanic.com/services/idle-control-valve-replacement) that can cause a high idle but is limited to only about 1250 rpm. I would recommend...

There are a number of reasons why your van will crank and not start. You can have anything from a faulty fuel pump, a bad crank sensor, an internal engine failure or too many other things to count. A mechanic...

For this 2004 year Mercury Mountaineer they were only equipped with a 5R55S transmission for the 4.0 and 4.6 liter motors. The only different transmissions would be for rear wheel drive or all wheel drive. They are both 5R55S base...

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. (https://www.yourmechanic.com/services/power-moonroof-is-not-opening-inspection)...

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...

Power steering leaks are common. Since fluid is in the entire steering system leaks can occur anywhere. The most common leaks happen at the power steering pump or pressure hose. The rack and pinion and return line can leak but...

Without hearing the noise it will be hard to make an accurate diagnosis of the cause but there are several things that can be done to eliminate or highlight possible causes. First is determining the type of noise and conditions...

On cars built after the late 1990's, replacing an ECU is a much bigger deal than just plugging in a new box. The ECU has to recognize the serial number of the car and the other modules in the car....

This seems like the switch (https://www.yourmechanic.com/services/windshield-wiper-switch-replacement) is on its way out, I would have a certified mechanic verify that 12 volts is being applied to the windshield wiper motor. If power is present and the wiper isn't working its the...

The first thing to do is to make sure the fluid is full in the power steering reservoir. Since you recently replaced a lot of components in the system I would recommend cleaning the area that is wet with fluid...

Hello, your car need three things to start: power, spark, and fuel. I would first have the battery tested https://www.yourmechanic.com/services/battery-is-dead-inspectionand the battery cables cleaned to make sure that there is power getting to the ignition. A technician from YourMechanic can...

Of course, be sure the transmission fluid level is correct, the fluid is not contaminated and the filter is not clogged. A fault like the one you are describing is likely to be due to a hydraulic control issue. If...

Hello. If your tire has a slow leak, this is likely due to a small hole being in it. It is very common for people to drive over a nail, screw, or road debris. When the object is stuck in...

It is not good to hold the steering all the way to the left or right against the stops. This can stress the power steering components. Some shaking at the stops can be normal. I would ask for help from...

Hi There, What you are describing sounds like you may have a clogged catalytic converter. The catalytic converter converts toxic exhaust gases into less harmful pollutants that are suitable to be expelled into the atmosphere. When the catalytic converter is...

It sounds like the facility that performed your oil change may have forgotten to refill the motor with oil after draining the old oil. If there were no signs of visible smoke, smells or oil leaking anywhere, it is quite...

Hello. I would recommend first disconnecting and cleaning the battery clamps and battery with baking soda and water. Once the terminals are clean then see if it will crank over. You may need to jump start the battery if it...