07-31-2019, 08:57 AM
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Member
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Join Date: Jul 2018
Location: Warrenton Va.
Posts: 30
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Quote:
Originally Posted by Formulas
Skip in vacuum reading can also be the PCV valve plumbed into a single runner
7 cylinders will be slightly higher and smooth then the one cylinder will hit, it has to draw a vacuum in the PCV line then the PCV slams shut which you can also HEAR and also see on a vacuum gauge
Google how a PCV valve works to see internals
As RPM increases the frequency increases and your ability to detect it diminishes
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Very Good Stuff, Thanks
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