Yesterday I got rid of the oil from the catch can. Put everything back together and know im getting a steady hissing air noise even when driving. Im not really like this catch can idea. Can anyone tell me where the hissing could be coming from

 

I believe that would be a vaccum leak from the hose when u removed the oil, recheck the hoses

 

Mine did this too when I had a large metal catch can. Normal, just the air going through the can.

 

if im catching oil does that mean my pcv valve is good

 

Tighten that crap

 

Tighten what?

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