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Date:         Wed, 14 Feb 2007 11:10:41 -0800
Reply-To:     jon <jon@KENNEKE.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         jon <jon@KENNEKE.COM>
Subject:      Re: The dreaded AFM adjustment screw
Comments: To: Mike Frost <wasserleaker@GMAIL.COM>
In-Reply-To:  <2b9b38180702140751t37e2e591yb37bbeea94405b5@mail.gmail.com>
Content-Type: TEXT/PLAIN; charset=US-ASCII

Yes, disconnect the O2 sensor AND the idle stabilizer.

That might get you in the ballpark. The only *real* way to adjust that screw is with a CO (carbon monoxide) detector. Misadjustment of this screw can really "screw" with your engine.

So, beware.

Jon (The shade-tree FI guy)

On Wed, 14 Feb 2007, Mike Frost wrote:

> So I have convinced myself that I need to adjust the mixture screw on the > AFM but I have some trepidation about it. There are two things I want to > verify before I begin: > > 1. To adjust properly, I disconnect the O2 sensor and measure it's voltage > at idle, with a target of 0.5VDC. > 2. Turning the screw clockwise will lean the mixture? > > Mike Frost > 86 Vanagon GL >


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