2003 Mercury Mountaineer
I can't figure out what's wrong with my
mountaineer. Will not go passed 50 mph
and no acceleration going up hills
Try tuning it up and also have the catalytic converter checked.
I would look at the transmission control module as well. Does the car shift properly? Any high revs (especially upon starting)? Any hard shifts? Ill monitor your post for more information to best assist you.
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