Q: power locks won't work on 2003 mercury mountainner
Just bought a used 2003 mercury mountainner and the power locks won't work, I have checked the fuses, or at least the right fuses. What can cause it to not work?
My car has 153876 miles.
My car has an automatic transmission.
The statements expressed above are only for informational purposes and should be independently verified. Please see our
terms of service
for more details
Get an instant quote for your car
Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing
What others are asking
No fuel pressure
Lack of fuel pressure can be caused by a failing fuel pump or a clogged fuel filter. Depending on the fuel pressure specification, the fuel pump can be condemned. A proper diagnostic inspection should be performed in order to prove...
Favorite green car for restoration
It would probably be an old Shelby Cobra from the '60s. That would be a fun one to restore. There are not many of them left, original ones at least. That would be a fun car to have even though...
Brake lights don't work
Hello. This is typically caused by a brake light switch (https://www.yourmechanic.com/services/brake-light-switch-replacement) problem. This is located on the brake pedal assembly and is a common failure. I always test them before replacing them, but most of the time these are bad...
Trouble starting and accelerating
Hi there, thanks for writing in about your 2002 Hyundai Elantra. There are several possibilities here that require further research. First off, it sounds like your transmission is in "limp" mode, which causes it to start off in 2nd gear...
Grinding noise shifting in reverse and clutch goes to floor
Hi there, thanks for writing in about your 1988 Pontiac Fiero. It sounds like the clutch is dragging and not releasing properly. The problem could be with the clutch itself (warped disc or pressure plate), or a problem in the...
Maybe ECT sensor or CHT sensor??
After doing some research, the only thing I found that has only two wires to a connector in the back of your motor is the evaporative control valve. The CHT is in the front of the motor and this engine...
Driver and passenger air bag light stays on.
Hello. Thanks for writing in. The airbag warning lights (https://www.yourmechanic.com/services/check-engine-light-is-on-inspection) can come on for a number of reasons. The list is extensive, and due to the fact both air bags are being affected the issue is likely related to the...
Rpm spike and engine rattle
Hello. Thank you for writing in. The vehicle seems to be having a shifting issue. A rattling noise is a bad sign that something has broken off inside of the engine or transmission that is disabling it from shifting correctly....
i dont know the size of the heater core is it 5/8 or a 2 inch
The 5/8 inch dimension versus the 2 inch dimension simply refers to the "thickness" of the core body. If you have your core out, or can wait to access it, just simply look and see if the core is very...
Related articles
Symptoms of a Bad or Failing Ignition Lock Assembly
If your key is stuck in the ignition, won't go in, or can't start the car, you may need to replace the ignition lock assembly.
How Long Does a Key Fob Battery Last?
In order to get into a modern car, you will usually have to have the key fob that comes...
How to Replace a Door Lock Cylinder
A cylinder lock ensures the proper function of your door locks, which help protect against car theft. Replacing this part takes time and know-how.
Browse other content
Maintenance
Cities