Originally Posted by mr a4

hi all
i have a 1998 audi a4, since i brought it(last week) ive noticed that every time i am driving its all good, but when i come to a stop(clutch in at lights, or straight into neutral make no difference) the revs drop down then up then down again etc and it almost stalls! then 5 seconds after doind so it goes back to its normal idle. then i drive off. and stop and again it does it again. but have noticed when this happens the erract idle, the excellerater moves with the revs. can feel it against my foot throbbing away. please any ideas?????

Hello mr.A4 welcome to Audi forum,

I think that the problem must be due to the IACV. Get your IACV checked first, it could be bad or clogged resulting in abnormal idling. Hope you get it fixed soon

Regards
R.B.N.J

cheers mate, will give that ago, if you have any other thoughts in the mean time let me know, thanks again

Originally Posted by mr a4

cheers mate, will give that ago, if you have any other thoughts in the mean time let me know, thanks again

Sure, Hope you get it fixed soon

sorry mate but where is my iacv to? my car is the 1.6 model??

Originally Posted by mr a4

sorry mate but where is my iacv to? my car is the 1.6 model??

Hello again, Have a look at this link Audi Page :: ICV Technical Articles I'm sure this will be helpful for you to locate the ICV.

Regards
R.B.N.J

where is my idle control valve? 1.6l a4.
any ideas would be very helpful, been told i dont have one as its the 1600 engine and not the 1800 engine, but others told me different??? plz help