Hi i have a 98 explorer with 58,000 miles past 2 days while driving locally temp gauge has been climbing into h area and then goes down then when you start to accelaerate it goes back up again. If you turn heat on it takes gauge down a bit. I had a mechanic take a quick look at it and he stated there are issues with head gaskets on some fords. He also said that maybe it has some things that lead him to believe head gasket gone bad. How are your feeling on this please advise.
Stu
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