>Another Hint: The defective part has electical control, althought the >fix was not electrical. Differential Pressure Regulator on the side of the FI distributor? Cheers Martin Pajak http://www.quattro.ca 1983 Audi Ur-quattro (269,000 km) Canadian spec. winter car 1985 Audi Ur-quattro (156,000 km) Euro spec. import ;o)