O2 sensor question

[Dave & Irina Eicher]

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
> >
>
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