what are the symptoms.  Idle speed to high when warm?

john
----- Original Message -----
From: "Ronald Michaels" <rbm1024@NETSCAPE.NET>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Saturday, January 13, 2007 5:08 PM
Subject: Auxiliary air regulator

> Hi
>
> I am troubleshooting some problems with my 85 Westy FI system.  Thanks to
> List members who helped me find a idle enrichment switch recently.  I have
> that part installed now.
>
> Today I tested the auxiliary air regulator as outlined in Bentley.  After
> the engine warms up the regulator should close and pinching the hose
> should
> not make a difference.  The thing does not close.  After taking the
> regulator out of the vehicle I have measured a supply voltage across the
> pins of the electric plug of 5 volts (no voltage value shown in Bentley).
> The regulator has a resistance of 30 ohms.  The sliding door (gate,
> whatever) inside the regulator moves freely when I use a coathanger wire
> to
> check it.  I have tried another regulator from a 84 engine (Thanks Sadir)
> and it does not close either.  Lots of WD 40 didn't help.
>
> I adjusted the regulator to be only slightly open and the engine idle is
> slower but it still is not working correctly.
>
> Am I missing something?  Are the voltage and resistance values correct?
>
> Has anyone ever disassembled one of these?  I think I can get it apart,
> but
> getting it back together might be a little harder.  What are the failure
> modes?  Any advice is appreciated.
>
> Thanks,
>
> Ron in Seymour TN with 84 and 85 Westys and 78 bus - Buster VanWaggon
>