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Date:         Sun, 25 Nov 2007 21:23:26 -0700
Reply-To:     Richard A Jones <jones@COLORADO.EDU>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Richard A Jones <jones@COLORADO.EDU>
Subject:      Re: idle fuel calculations
Comments: To: gfs@SCATTERCREEK.COM
In-Reply-To:  <20071126013557.CDA79F136EB@mx16.Colorado.EDU>
Content-Type: text/plain; charset=ISO-8859-1


> Another thing to keep in mind re: injectors or O2 sensor, the O2 sensor is
> not used by the ECU at idle.  This is why the CO adjustment on the AFM is
> used.


No, the ECU does use the O2 sensor at idle.  If you have one of
Ken Lewis's little gizmos, you'd know that it dances up and
down at idle--maybe slower than at high rpm, but still....


http://neksiwel.20m.com/photo5.html


I'd say the CO adjustment is to get the range "in the ballpark"
so the ECU/O2 can manage it, but others might say it better.


Richard
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