O2 voltages

TK terryk at foothill.net
Tue Oct 3 05:34:54 GMT 2000


Bruce, I though the O2 was for fuel mixture. The effects on the cat are
secondary.

Mere coincidence or   psychic phenomenon?

----- Original Message -----
From: Bruce Plecan <nacelp at bright.net>
To: <diy_efi at diy-efi.org>
Sent: Monday, October 02, 2000 9:44 PM
Subject: Re: O2 voltages


>
> Light cruise idle, then would be 15:1 for mileage, and min engine wear.
> 14.7 is an average.   Deliberately runs rich and leaner then that to keep
> the convert lite.
> The ecms cycle wildly over the .440 ref voltage.
> If they wanted a perfect 14.7 they could really tighten that up.
> Least that's what I recall reading in the archives
> Bruce
>
>
>
>
>
> > It's to keep the engine at stoich or 14.7:1 AFR.
> >
> > ----- Original Message -----
> > From: Programmer <nwester at eidnet.org>
> > To: <diy_efi at diy-efi.org>
> > Sent: Monday, October 02, 2000 10:26 PM
> > Subject: Re: O2 voltages
> >
> >
> > > Here's one for ya--is the O2 really for keeping the engine AFR
> corrected,
> > > or is it to keep the fire burning in the converter ? Which does the
EPA
> > > feel is more important--which does the manufacturer feel is more
> important
> > ?
> > > I'm just throwing this out for wideband comment...
> > > Lyndon.
> >
> >
>
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