O2 sensor question

Greg Hermann bearbvd at cmn.net
Wed Mar 22 14:08:14 GMT 2000


>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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