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 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.
>> >
>
>