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Hi all Just wondering if the V44 PnP on a V6 WRX controls the 'pressure exchange solenoid'? Part number is 14774AA530. The vacuum line from the intake manifold to the MAP sensor routes through this solenoid but when you unplug the solenoid there are no ECU errors/voltage drops and when the solenoid is powered off you can't blow/suck through it in any direction. Just wondering if it is a hindrance to the MAP sensor now that I don't have the factory ECU and possibly the V44 isn't controlling it? Can I just run a vacuum line from the intake manifold to the MAP sensor (which is now