Originally Posted by BeNcHo
yeh ive checked that, not exactly 100% sure if its working. ive been told its only there for controling cruise control, not sure tho, i might change the unit.
No its there for the EGR and you cannot get them any longer. 2nd hand ones seem to go for $3-500 unless you get a wrecker who doesn't know what they are, also they are only fitted to ED/ED V8's which makes them scarce.
A faulty EGR shouldn't make it run like a pig, it can give you detonation and possibly overheat the engine.