Zetec Intake Manilfold Info
I need help identifying port holes on a zetec intake manifold. I hope arrigle3 does not mind if I borrow his pic from the sales section: http://www.focusfanatics.com/forum/showthread.php?t=155507.
Anyway, I'm trying to trace vacuum lines on my 03 zx3 and I'm wondering what these ports are for?
There are 2 large ones (1 & 2) and three smaller ones (3,4, & 5). Can somebody tell me where those holes connect to, or do we keep them open or we need to plug them? I know that one of the large ones connect to the PCV valve. But I'm not sure which one.
Thanks for your help!!!
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