[T3] running rich and mystery material

[Dave]

[[[However, a faulty AAR won't make the mixture richer.  It only controls
the fast idle speed, by reducing manifold vacuum which lets more air and
hence fuel into the cylinders]]]
 
Yes, a AAR doesn't control mixture, but it does provide a means to add air
into the IAD - resulting in an increased idle speed so the motor does not
stall out with the cold rich mixture. I'm thinking if VW never installed a
AAR system on our motors - our cars would choke out from the cold rich
mixture and probably sound like Dennis's T3 in the morning J.

 

Dave Pallo

'72 Square ~ Elwood

Fairport, NY

 

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