audi 100 idle problem

[jessicasdad]

i have a 1992 2.0e audi 100 avant. the idle is sometimes 2000 and at other times it falls to about 500 and cuts out when you stop. the car has been looked at for air leaks but its still the same. any thoughts. regards garry

[paul20v]

hi cant remember if that car has an idle stabilisation valve or it will be part on the metering head sorry that was not a lot of help its been a while since i had a 4 pot