O2 sensor question

[Dave & Irina Eicher]

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

----- 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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