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Old 06-24-2020, 08:26 AM   #6
JFP in PA
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Join Date: Feb 2005
Location: It's a kind of magic.....
Posts: 6,273
Quote:
Originally Posted by mnracing View Post
It clears and then returns after an hour or so. Its always small throttle opening and 35 - 50 MpH.
Normally a high manifold vacuum situation; you have a leak.
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