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03-12-2016
I've searched around a little on this and found different answers, but what is that middle port for on the vacuum tree that goes on top of the supercharger? Does it need to be capped off? I replaced this thing after one of the ports broke (the one that has a hose that connects to the bypass valve actuator), and I can't remember if that middle port was blocked off or not. Seems like a lot of pictures I'm looking at show some kind of cap on it, but I don't remember there being one on my old one.
03-12-2016
What year??? 04+ it's capped off and not used.
03-12-2016
Yep its an 04 GTP, I'm getting a P0171 code so I'm assuming that port being open is causing it. At least I hope its something that simple before I go chasing it around. I guess older cars had a line going to this port? Oh well, guess I'll run out and buy a vacuum cap for it.
03-12-2016
Lol, yeah cap that off its a hell of a vacuum leak. I know some of the earlier models had controls for the HVAC that were to operate the doors. 04+ has actuators everywhere.
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