RE: [alfa] Auxiliary Air device

["Jeff Greenfield" <alfaguy@xxxxxxxxxx>]

Tony -

Remove the aux air device (AAD) and put in the freezer for an hour or so. It
should open up all the way. At room temperature it should be very slightly
open.

Connect one of the two terminals to ground and the other to +12v and it
should close fully within a minute or two.

I doubt that this is the cause of a rough idle though, as all it would do is
have some effect on the idle speed.

The most common cause of poor idle quality is usually due to vacuum leaks,
assuming everything else is in order (plugs, cap, rotor, wires, etc).

HTH ... Happy New Year,

Jeff

-----Original Message-----
From: owner-alfa@domain.elided [mailto:owner-alfa@domain.elided] On Behalf Of
Anthony
Sent: Thursday, January 01, 2004 9:10 AM
To: alfa-digest@domain.elided
Subject: [alfa] Auxiliary Air device

Happy new year everybody.



I'm troubleshooting a rough idling problem with my 87 alfa spider, and I
came across the Auxiliary air device (part of L-jet if you must ask) the
manual say that it should be open when cold to allow more air in and closed
when hot. I removed it and looked through the air ports and it's CLOSED save
for a small triangular opening. Since the engine was cold, do I have a bad
aux air device?



Tony 87 Spider grad.

pequannock, NJ
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