1998 A4 1.8t Q 5sp

[Thomas J. Donohue, Jr.]

I have noticed recently that I have been receiving some pretty old messages
on the list.  The one below is an example...just received it Sunday evening,
September 16.  Any idea what the problem is?  Tom

Brian Campbell wrote:

> I am experiencing a problem with idle surge on my 98 A4 1.8t. The dealer
> and Audi  can't correct the situation. They have replaced the throttle
> body and adjusted the idle to the upper idle rev range, but the surge
> still persists.
> When the car is hot and idling  the revs will surge and drop similar to
> when the air-conditioning compressor kicks in. The drop after the surge
> has been so low that the car has stalled ! Any A4 owners with similar
> problems or suggestions please help!!!
>
> Thank you in advance,  Brian
>
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