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2003 Mercury Mountaineer Questions

Get answers to questions about your 2003 Mercury Mountaineer at RepairPal. Find solutions, diagnose problems and get back on the road.

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99
questions

The check engine light is on. The truck is cutting of when slowing down to take a turn. Keeps cutting off when coming to a stop.

need price to r&r transfer case

Had timing chain replaced went to start truck and broke 4 rocker arms

Every time I try to reset it, it won't display the oil % life left. I press and hold reset and it just goes on to the next step of the system check.

Had my transmission looked at the fluid is clean a sensor replaced but it's still slipping the fluid is clean but it is shaking the whole truck I think it's something in the front end but people keep telling me the transmission is slipping love your phone and doesn't work right I would imagine the torque converters having trouble can you help me with this question

I don't have the $ to fix, priced around (600-1200) is there anything I can do (troubleshoot) short time?

i put a new radio in and shortly after lost dash lights tail lights and fog lights. Now i got in to take the truck up to the installer to see if he could figure out what happened and i suddenly have nothing when i turn the key it started to turnover and then just went dead. I am thinking this must be a relay but which relay. The battery as the 12V outlet has power

Also when going from reverse to drive car occasionally stalls out, any ideas?

Could it be from a vacuum leak or one of the sensors? Help

So I have replaced a few other solenoids on this SUV and had no problems however solenoid 3 has now burnt out 4 times, each time getting shorter from the last time. Just replacing the solenoid and spark plug is not enough. I have heard this is a problem with this vehicle but some suggestions would be great, thank you.

Started yesterday. My kid were playing with the keyless entry and now when I select the last two buttons to lock all doors do not work. Since this has happened my dash light for door ajar is always on. I am wondering if that has to do with the doors not locking with the keyless entry on door itself. I have checked all doors to verify that they are all closed as well at the truck. PLEASE HELP!! Thanks!

to miles on display. Try disconnecting battery to no prevail. Help!!