i have a honda civic 92 cx hatch. i just noticed that i have a pcv valve should i get a new one... i kno that it should be change if you cant hear anything rattling in it but it seems like the pcv has nothing in it that would rattle....and i can blow are through it...should i change it?

 

A PCV valve is like $3 at your local auto parts store. It's not going to make you broke by getting one. Just do it.