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Old 04-23-2014, 01:41 AM   #388 (permalink)
Jordo!
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I'm not as familiar with centrifugal blowers, but I assume you have a bypass valve of some sort? If so, the bypass may be sticking. Do you see some boost at idle?

If not, could also be a vac leak somewhere.
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Last edited by Jordo!; 04-23-2014 at 04:48 PM.
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