oxygen sensor

[Zublin, Bryan (SD-MS)]

Thanks Frank, just the sort of information I was after but what do you
mean by excursions. I have a fast response LED meter but i'm not sure
what you are refering to here.

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 Justen Simpson             simpson at lake.canberra.edu.au
 CRC for Freshwater Ecology, Uni of Canberra, Australia
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>  ----------
> From: owner-diy_efi-outgoing
> To: diy_efi
> Cc: diy_efi (postings)
> Subject: Re: oxygen sensor
> Date: Tuesday, June 18, 1996 10:30PM
>
> >  ----------
> > From: toyota-mods-owner
> > To: Craig A Terlau
> > Cc: Daucott; mr2-digest; Toyota-mods
> > Subject: oxygen sensor
> > Date: Tuesday, June 18, 1996 3:35PM
> >
> > Here's one for the fuel injection experts. I'm presently running in my
> > fuel injected turboed 18RG (without the turbo till the head gets
> > retensioned) and i would like to run an O2 sensor, firstly to help 
tuning
> > and secondly as a warning of lean outs at high boost. Apparently single
> > wire sensors only last about a week when using leaded fuel as they get
> > lead coated at low exhaust temps. Someone suggested that the 3 wire
> > sensors (which are heated) may last longer. Has anyone tried this or 
know
> > if it has been sucessfully used in a leaded fuel car.
> >
> > Cheers,
> >
> > ~^~^~^~^~^~^~^~^~^~^~^~^~^~^~^~^~^~^~^~^~^~^~^~^~^~^~^~^~
> >  Justen Simpson             simpson at lake.canberra.edu.au
> >  CRC for Freshwater Ecology, Uni of Canberra, Australia
> > ~^~^~^~^~^~^~^~^~^~^~^~^~^~^~^~^~^~^~^~^~^~^~^~^~^~^~^~^~
> >
> Yes, a heated sensor works very well. If you use both a digital vm
> to read voltage and a fast responding led readout meter so you
> can see excursions sensor makes, you can tell when sensor is getting
> poisoned as range of excersions will reduce. Can regenerate sensor
> for furthur use by running in unleaded car for few weeks.
> Be aware that special sensors are used for a/f meters for reduced
> flow and constant 650 deg C temperature.
>
> Frank Parker
>
> 93 Civic EX vtec custom turbo
> 89 S-10 L98 V-8 with TFS/DFI/SuperRam
> >
>