O2 sensors at WOT?

[Bruce Plecan]

-----Original Message-----
From: ron.boley <ron.boley at worldnet.att.net>
To: diy_efi at efi332.eng.ohio-state.edu <diy_efi at efi332.eng.ohio-state.edu>
Date: Wednesday, November 04, 1998 9:24 PM
Subject: Re: O2 sensors at WOT?


>Bruce,
>
>I may be missing something but the archives just list references to the
>papers.  I'd like to see the actual papers....  How does one do that?

If you want to read a SAE paper then find a source for them, or join
the SAE, some engineering schools have them.  Patented stuff you
have to go thru the patent office.
Bruce
>
>Ron
>
>
>Bruce Plecan wrote:
>>
>> -----Original Message-----
>> From: ron.boley <ron.boley at worldnet.att.net>
>> To: diy_efi at efi332.eng.ohio-state.edu <diy_efi at efi332.eng.ohio-state.edu>
>> Date: Wednesday, November 04, 1998 7:53 PM
>> Subject: Re: O2 sensors at WOT?
>>
>> DIY_EFI Homepage,  Click on Search the archives, go by subject or
content.
>> lots of reading
>> Bruce
>>
>> >Bruce,
>> >
>> >Can you advise where one can see these archives (CARB,EPA,SAE)?  Does
>> >one have to belong to these organizations to get access?
>> >
>> >Thanks Ron
>> >
>> >Bruce Plecan wrote:
>> >>
>> >> -----Original Message-----
>> >> From: Chris Conlon <synchris at ricochet.net>
>> >> To: diy_efi at efi332.eng.ohio-state.edu
<diy_efi at efi332.eng.ohio-state.edu>
>> >> Date: Tuesday, November 03, 1998 10:03 PM
>> >> Subject: RE: O2 sensors at WOT?
>> >>
>> >> >> > man's gas analyzer could be constructed using one heated (to
measure
>> >> O2)
>> >> >> > and one unheated to measure hydrocarbons, etc???
>> >> >> No.  What the report said (I read it) was that NO O2 sensor senses
O2
>> >> >> at the temperatures that they operate at.  They sense hydrocarbons
>> >> >> only.  The temperature required for them to sense O2 was much
higher
>> >> >> than the O2 sensor in a normal exhaust stream was supposed to be
>> >> >
>> >> >I had always heard, but never tested, that the O2 sensor reads *lean*
>> >> >under conditions of a rich misfire, due to lots of O2 in the exhaust.
>> >> >Sounds like this would be an easy test to see if the O2 sensor is
>> >> >really responding to O2 or HC. Comments? Maybe I need to go yank off
>> >> >a plug wire...
>> >>
>> >> I'd suggest a good going over the archives, there are several reports
>> >> and documents all with slightly different takes on the situations.
>> >> >From CARB_EPA_SAE all have points and counter points.
>> >> Some of the older documents don't even mention thermally compensated
>> >> sensors.  Then are you all talking about just the
>> >> switch type, and or the wide ratio.  Also is the way the sensors
>> >> react to different gases as they heat up
>> >> Cheers
>> >> Bruce
>> >>
>> >> >
>> >> >   Chris C.
>> >> >
>> >
>> >
>