Vacuum port by injectors on MC head

[Jim Green]

What the hell does this thing do?  I noticed if it's
not hooked up right on my car it will idle like crap. 
Do you EFI guys have this thing hooked up right now?
Thanks,

=====
Jim Green
'89 90tq 
http://www.geocities.com/jeg1976/car_home.html

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