P38 overevving help needed

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nick270891

New Member
Posts
21
My 4.6 p38 has just started over revving when it's hot or cold... The thing is it only over revs in park. As soon as I put it into drive or reverse its idles perfect... When it over revs it revs to about 1750rpm-2000rpm.. Any help that anyone's got will be appreciated thanks
 
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