it's added at WOT to ensure all the O2 is burned (more power), but does so
at the expense of emmisions.

John

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----- Original Message -----
From: "David Beierl" <dbeierl@ATTGLOBAL.NET>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Wednesday, August 04, 2004 2:00 PM
Subject: Re: ECU and Throttle Question

> At 06:24 8/4/2004, you wrote:
> >I would agree up until you activate the full throttle position switch.
>
> Right.  :)
>
> Which brings up my own little question:  What is it about the last .010 of
> throttle plate movement that requires enrichment, that the previous .010
> did not?  Under what conditions is the enrichment actually needed and when
> is it wasted? And roughly speaking how much is added?
>
> david
>
>
> --
> David Beierl - Providence RI USA -- http://pws.prserv.net/synergy/Vanagon/
> '84 Westy "Dutiful Passage," '85 GL "Poor Relation"
>