Date:         Fri, 10 Sep 1999 07:42:32 PDT
Reply-To:     Mark McCulley <transporter99@HOTMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Mark McCulley <transporter99@HOTMAIL.COM>
Subject:      Re: Tighten-up your AFM
Comments: To: gmbulley@BULLEY-HEWLETT.COM
Content-Type: text/plain; format=flowed

Right, tightening the AFM spring is an attempt to run leaner and produce
more power. Seems to me though that in a properly functioning FI system the
lean condition would be compensated for by the O2 sensor and ECU which try
to maintain the "correct" air-fuel mixture.

Mark McCulley

>From: Bulley <gmbulley@BULLEY-HEWLETT.COM>
>Reply-To: Bulley <gmbulley@BULLEY-HEWLETT.COM>
>To: vanagon@GERRY.VANAGON.COM
>Subject: Re: Tighten-up your AFM
>Date: Fri, 10 Sep 1999 06:46:11 -0400
>
>By tightening the AFM spring, aren't you forcing the injection to
>miscalculate the intake airflow, yielding a "lean" state? I love simple
>solutions, but this one doesn't sound like such a swift idea. Anyone?
>
>G. Matthew Bulley
>Director
>Bulley-Hewlett & Associates
>www.bulley-hewlett.com
>Cary, NC USA
>888.468.4880 tollfree
>
>
>-----Original Message-----
>From:   Scarlett Semko [SMTP:damosem@MAIL.MCO.BELLSOUTH.NET]
>Sent:   Thursday, September 09, 1999 11:26 PM
>To:     vanagon@GERRY.VANAGON.COM
>Subject:        Tighten-up your AFM
>
>Let me tell ya,
>
>After almost a year of putting up with hesitation, rough running, and
>the like I finally took off the AFM cover and wound up the spring, and
>presto-chango, I have smoth running again. It's like magic.
>
>If you are experiencing any of the above syptoms, please, take off that
>cover and tighten-up that spring.
>
>I don't remember who advised the list a while back to tighten-up, but if
>your ever in Orlando, Florida I'll buy ya a beer, probably two.
>
>Thanks
>Ron Semko
>Orlando, Florida
>1984 Vanagon with 200,000 plus miles, and running smooooooooooth

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