Thread: Need help
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Old 05-11-2012, 03:32 PM   #7
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Join Date: Jan 2004
Location: Browns Summit, NC
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imrc's could be a problem. did you try running some Seafoam through it? You suck it from the can, through your vacuum line. It will clean a lot of the built up gunk, might help. I bet your imrc plates need cleaned, or replaced. The imrc's open at a certain rpm, but when the carbon builds up, they have trouble opening and closing. There is a really good write up on the front page of the SCMC website, I believe.
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