I'm missing something...

[Greg Hermann]

 When we got to the top, we had gained ~5000ft in elevation.  Half
>way up, his car started to run very rich, according to the "tip of the nose
>AFR sensor."  I would expect this, of course, except:
>
>This car is equiped with a flapper door AFM which I've been told are self
>compensating for air temp and elevation.

In a word, you were told wrong. They are a volume flow device.

Greg
>
>Any comments would go a long way toward helping me understand.
>
>Thanx,
>Mike Diehl.


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