O2 sensor question

[Swayze]

this was posted to GMECM a little while back

http://pelicanparts.com/techarticles/mult_air_fuel_monitor/mult_air_fuel_mon
itor.htm

it may help
byE
Mike
Swayze
mswayze at truswood.com
kswayze at bellsouth.net
----- Original Message -----
From: "Greg Hermann" <bearbvd at cmn.net>
To: <diy_efi at diy-efi.org>
Sent: Wednesday, March 22, 2000 9:11 AM
Subject: Re: O2 sensor question


> >Haven't investigated sensors yet, I was hoping to find one that came with
a
> >spec so I could see what the output curve is, then read with an ADC and
> >micro, display on a little LCD. Do you know of a low cost source for
these
> >wideband sensors?
> >
> >dave
>
> It's NOWHERE near that simple, Dave. Try reading the archives on a search
> for EGOR!
>
> Greg
> >
> >----- Original Message -----
> >From: nacelp <nacelp at bright.net>
> >To: <diy_efi at diy-efi.org>
> >Sent: Tuesday, March 21, 2000 8:48 PM
> >Subject: Re: O2 sensor question
> >
> >
> >>
> >> Which sensor?
> >> Grumpy
> >>
> >> > I'm planning to do the same thing to get a A/F meter. But I was
planning
> >> on
> >> > using a wide band sensor to get a precise reading of mixture. Is this
> >> > overkill?
> >> >
> >> > thanks,
> >> >
> >> > dave
> >> >
> >> > ----- Original Message -----
> >> > From: BOWEN, SCOTT M. (JSC-CC) <scott.m.bowen1 at jsc.nasa.gov>
> >> > To: <diy_efi at diy-efi.org>
> >> > Sent: Tuesday, March 21, 2000 4:35 PM
> >> > Subject: RE: O2 sensor question
> >> >
> >> >
> >> > > Bruce,
> >> > > I talked to Jim Wolf and they said that just "Y"-ing the signal
from
> >the
> >> > O2
> >> > > sensor can cause the ECU to make the car run Richer.
> >> > > I have an extra port in the exhaust Manifold for the "Air Induction
> >> Valve"
> >> > > on the '91 Manifold, but the AIV is coming out and the port for it
> >> > > is...14MM, just right for an O2 sensor. I am leaving the one  wire
> >unit
> >> > for
> >> > > the ECU and installing a 3-wire in the new hole for my A/F Meter.
> >> > >
> >> > > That was the plan anyway...I have a new 3-wire unit for some where
and
> >> > > wanted to put it to use...
> >> > >
> >> > > Scott Bowen
> >> > > Bastard Motorsports Engineering
> >> > > Houston, TX
> >> > > 281-244-9669
> >> > >
> >> > > -----Original Message-----
> >> > > From: nacelp [mailto:nacelp at bright.net]
> >> > > Sent: Tuesday, March 21, 2000 4:04 PM
> >> > > To: diy_efi at diy-efi.org
> >> > > Subject: Re: O2 sensor question
> >> > >
> >> > > Are you sure you need to add one?.
> >> > > You do realize using a switching O2 sensor isn't the most accurate
way
> >> to
> >> > do
> >> > > things.  They degrade with age, and output varies with EGT.
> >> > > Bruce
> >> > >
> >> > >
> >> > > > I am dropping a new motor in my '91 240SX this weekend and I am
> >> looking
> >> > to
> >> > > > install a second O2 sensor to drive my A/F meter.
> >> > > >
> >> > > > Can some one tell me the pin out for a 3-wire Bosch sensor?
> >> > > >
> >> > > > Thanks!
> >> > > >
> >> > > > Scott Bowen
> >> > > > Bastard Motorsports Engineering
> >> > > > Houston, TX
> >> > > >
> >> >
> >>
> >> ----- End of forwarded message from owner-diy_efi at diy-efi.org -----
>
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> >>
> >>
> >
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