To PCV or Not to PCV...That is the question.

RustyRatRod said
Just leave it off. It doesn't amount to a hill of beans.

If you are serious or not.
I know the OEM setup had one but did not know the importance of it so I am trying to learn.
I did not install the current system, the PO did and I want to make it right to keep my teen in good shape.