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View Full Version : b5 s4 passenger side bpv is passing air at idle while driver side does not



badjuju1188
01-14-2014, 04:28 PM
I'm pretty sure one of my bpv's is bad obviously, but i unplugged my dv's exit tube and started the car. at idle the passenger side has air flowing through it and the drivers side does not. One of my buddies is trying to tell me that the dv's are supposed to be open at idle but that just doesn't seem to make sense. which one is actually bad? i dont have a vacuum tester built yet. i know i suck at life.