Q: My mountaineer is reving very high trying to see what part I need to fix it? on 2000 Mercury Mountaineer

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It revs very high when in park! Took it auto parts store to see what I needed to fix it they gave a list of three different parts trying to pin point which one I need to avoid the cost of buying three parts please help!!
(1) Answer
If you are still having trouble with your vehicle give us a call or stop by.
600W.patapsco ave. baltimore,maryland 21225
443)467-6662 meril