Idle problems 90Q (NG engine)

[Huw Powell]

> Thanks to all good tips, the problem is now gone. I replaced a small, 
> cracked plastic thing that connects one of  the ISV hoses to the air box 
> and the injector shroud system.

There ya go...

> Then I replaced the throttle switches, 
> cleaning did not help.. BTW: expensive!

As I recall about $70?

> Then I cleaned all connectors 
> and used dielectric grease on them. I measured the DPR current and the 
> o2 sensor, they are within spec.
> 
> The car now idles perfect at just below 800 rpm.. Now I can move on to 
> the 220k miles old suspension bushings.. ;)

Excellent, thanks for the feedback, it's always nice to know what fixed 
a given set of problems!

-- 
Huw Powell

http://www.humanspeakers.com/audi

http://www.humanthoughts.org/