Originally Posted by bnzpwr

I went to the VCV, removed the dome and it was actually like a bolt rather than a screw. I tried to adjust this by turning it ever so slightly and it changed the idle rpm setting and the car immediately was idling at a higher rate. This made the vacuum drop to about 11" but the idle was wayy too high.

What am I doing wrong? I thought this might have been controlled by the alda not the VCV? How can i get my vacuum system to leak a little bit without changing the way my car idles?