'91 Coupe quattro erratic cold idle

Christopher Gharibo cgharibo at usa.net
Tue Sep 5 13:24:15 PDT 2017


My '91 CQ idle vacillates between 200-1000 when engine cold. If I release the accelerator when engine cold, the car may stall. Turning the AC on keeps the car from stalling. 

I cleaned and swapped the ISV without success. Any other thoughts?

Thanks. 


More information about the quattro mailing list