it has to do with emissions i believe,Hahaha. VSV! That's what it's called! Vacuum Switching Valve. I was brain farting for a bit there.
^ +1 i thought it was a knob at first.the vsv should have a small filter on the end of it
Curt Aigner said:Hi,
The filter at the end of the VSV is not sold separately from the VSV.