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Old 11-26-2008, 08:38 PM   #107
Scooby Newbie
Member#: 193828
Join Date: Nov 2008
Chapter/Region: South East
Location: Maryville, TN
2004 04 VF34'd WRX
Java Black Pearl


Originally Posted by Vlad View Post
Sorry to resurect, but did this today and got a humming/buzz from the evaporative system purge valve, that small capsule located in front of the intake manifold, by the back of the alternator.
Did anybody else get that?
Also, I did not think the pressure rised above 2 PSI.
What I did not understand is how do you guys prevent air from leaking past the throttle body. Depending where the engine stopped, valves could be open and the air could just end in the exhaust, no?
Please help me out.
i heard the same sound. its like a hissing sound. im wasnt sure if it was a leak or what. when you start to fill the tester with air, it wont hold pressure and sounds like its letting alot of it out somewhere. but i cant figure out where

Is it a leak, or just something i'm forgetting to plug up?
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