Question about 2005 Mercury Mountaineer AWD
You current issue is no different than any other
vehicle problem you have had since 1996 when
the OBD2 Systems came into being
You have a MIL Lamp on or check light as some people
You should have checked fore codes immediately within a day
or so to at least know the codes & then googled them to get
some idea of the issues
You know that you have an ABS Braking System issue based on
your owners manual & your abiltiy to recognize Advance Trac etc
Have to have a shop diagnose that system with professional tools
With an AWD issue possible I wouldn't even use it until fixed
The trac control is ussually a bad wheel speed sensor or related
Posted on Jan 21, 2013
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Posted on Jan 02, 2017
whoever replaced da battery didnt dew a good electrical inspection-i think your alternator is failing but 1st chec for loose or dirty wires-gauges help out alot-the battery shouldnt be dead overnite
Posted on Aug 05, 2009
The sound could be isolated and may not be related to you not having 4wheel drive. You may have to inspect the speed sensors on the hubs of the wheels. You may have it inpsected and see if there could be a faulty sensor. Some 4x4 relies on sensors for 4x4 to work and these sensors also help ABS to work. Inspect the drive shafts as well. This may have caused the noise and may have affected your 4wheel drive capabilities.
Posted on Mar 20, 2010
Testimonial: "Good Advice."
On a Car like that you have little sensors on each one of the wheels. These sensors are small, delicate and finicky. You probably have a loose one or when the wheel heats up or reaches a certain speed, highway driving, it loses the connection and the light comes on.
The best way to fix this is go to a shop. Since the answer lies in the computer somewhere they need to check it. Note that the computer on your car stores the data when this happens and they should download the stored data if everything " seems fine ". Hope that helps
Posted on Jun 11, 2009
Bring the vehicle into a repair shop ASAP. There are several things that can be wrong such as calipers master cylinder, module,fluid exhaust valves . ABS problems will affect AWD. So in all likelyhood once ABS problem is cleared AWD will be fine.
Posted on Apr 14, 2010
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