What is this piece?

[mr.utility at highstream.net (David Utley)]

That is it exaclty...  Intake air preheat valve, er something close to that 
language...
-- 
Regards,
David Utley
-----------
Cable Volkswagen
405-470-3129
1-800-522-6793


Quoting "James S. Danda" <jdanda@sunflower.com>:

> On my '86 16v there is a 'gizmo' under the battery that is in-line between
> the air intake and the air box. It has one vacuum line and a tube running
> from the exhaust connected to it. It is obviously part of the air intake
> system, but I have no idea what it does. My only guess is that its an
> air-preheat, which makes no sense to me.
> 
> Anyway, I am having a hell of a time troubleshooting a big hesitation while
> accelerating off idle. While inspecting for vacuum leaks I noticed this
> 'gizmo'. I looked through bentley's and could find no reference to it.
> 
> Thanks,
> Jim
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