the best thing you could do is sell that mounaineer and get a new car, problem solved, you're welcome.
I just purchased one for my 1997 merc mountaineer, i was up under it and found that the transmission cross member makes it very hard to get to, i may have to remove the cross member and support the tranny with hyd jack while i replace it, I allready know that you will have to modify a wrench, ie: cut off or shorten so as to be able to tighten the plug. This is where one of those times where the metric matches the American size. You can use a 7/8" end wrench or a metric size which ever you prefer. If I find an easier way I will let you know. I wish you well in your endeavor.
where is the speed sensor on 2002 mercury mountaineer
The first model year of the Mercury Mountaineer was 1997
The oxygen sensor for bank 1 sensor 1 for a 2000 mercury mountaineer is on the cylinder #1 side.
where is the location of the vehicle speedometer sensor on a 99 Mercury Mountaineer
Bank 2 is the drivers side of the engine in a 2002 Mercury Mountaineer Sensor 2 is after the catalytic converter ( downstream )
Bank 1 is the passenger side of the engine in your Mercury Mountaineer Sensor 1 would be close to the engine before the exhaust enters the catalytic converter ( upstream sensor )
Bank 1 is the passenger side of the engine in a Mercury Mountaineer ( V6 + V8 ) Sensor 2 is after the catalytic converter ( downstream )
Bank 2 is the drivers side of the engine in your Mercury Mountaineer ( V6 + V8 ) Sensor 1 is in the exhaust close to the engine before the exhaust enters the catalytic converter
on the transmission
Bank 2 is the drivers side of the engine in your Mercury Mountaineer Sensor 2 is in the exhaust after the catalytic converter
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left side of the engine after the cat