[T3] Cold idle Problem

Jim Adney jadney at vwtype3.org
Wed Jul 20 20:16:13 PDT 2011

On 20 Jul 2011 at 22:24, Bobsnotch at aol.com wrote:

> It sounds like a stuck closed AAR (Aux Air Regulator). It acts like a choke 
>  on a carbed car, by allowing more air into the engine when cold. It should 
>  normally close when the temp gets to 85* (I think), which means not very 
> long in  the summer.  

The AAR is more like an automatic throttle. It won't make the mixture 
richer, it just makes the idle faster. I don't think it will cause 
this problem.

Jim Adney, jadney at vwtype3.org
Madison, Wisconsin, USA

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