91 200 TQ Wagon stalling

[Huw Powell]

> What I really meant was that I thought 2-3k is its primary operating 
> range.  That may still not be the case though.

It's not the case.  The OXS is "active" the whole time the engine is
running after it is warm enough, *except* under WOT, when it is ignored
and the mixture is enriched.

> Ed asked:  "Doesn't the oxygen sensor come online about 2k rpm? Maybe
> you're getting a really wonky signal from it..."
> 
> On the contrary, the O2 sensor comes on line when it reaches 
> operating temperature, and that's in a few seconds with the heated 
> style.  It then operates all the time.  HTH, John

-- 
Huw Powell

http://www.humanspeakers.com/audi

http://www.humanthoughts.org/