Originally posted by bentleywarren:
You definitely do not want to hear an air 'hiss' of any kind from any of the vacuum lines. I would fix this leak, and hope that's the only problem. A vacuum leak can certainly cause erratic, rough idling.


And a loss in power.


Hector 2003 Rally Red Mitsubishi Evolution VIII 257HP/259TQ 2005 Lapis Blue Mazda 6s RET: 00 Cabernet Red Ford Contour Zetec ATX SUPERCHARGED 160HP/141TQ