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Old 05-10-2011, 12:02 PM   #42
the suicidal eggroll
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Member#: 51961
Join Date: Jan 2004
Chapter/Region: RMIC
Location: Broomfield, CO
Vehicle:
2005 STi
2012 WRX

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Quote:
Originally Posted by SVT_WRX View Post
Really? I would think you'd here some hissing if that hose wasn't plugged up...
The PCV is a 1-way valve, when the manifold is pressurized it closes. It only passes air when the manifold is in vacuum, and this air comes from the turbo inlet. This is how the system is supposed to work, so nothing is wrong with it per-se, it's just that this way of running the PCV system no longer works as expected when you move the MAF to a blow-through configuration.
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