secondly...a lot of us suggest changing your PCV valve during oil changes too...(i do mine every oil change but some do it every other)...the valve itself is only like $2 at any parts store so its worth it to me...
Or replace with a little cone breather for under $10 once. Fixes PCV issues forever. Been using mine for over 2 years-no CELs, no emissions issues. Conceals nicely beneath the plastic engine cover. They even make them in vehicle specific colors. Look in user Psychos2's gallery for where it goes.