---------- From: owner-quattro@coimbra.ans.net on behalf of R. Wiratorn >What happen if I remove vaccuum hose from the ECU box (Audi >S4) ? > Can the engine run in this condition ? A MB engine will run with the hose disconnected, I once travelled for about 10 miles thinking "Where the f*ck is that whistling coming from?" before I worked it out. Jim Haseltine 88 Ur quattro