Cheap O2 Sensors and reference air

[Kevin]

----------
From:  Greg Hermann[SMTP:bearbvd at sni.net]
Sent:  Saturday, October 10, 1998 5:49 PM
To:  diy_efi at efi332.eng.ohio-state.edu
Subject:  Re: Cheap O2 Sensors and reference air

>On Fri, 9 Oct 1998 18:09:37 +0000 xxalexx at ix.netcom.com writes:
>>> Ok, I'll bite. Could someone please explain to me how the reference
>air
>>> for an O2 sensor is inside the wire or comes from the wire? I had kind
>>> of figured there was an active layer (or layers), with thin conductive
>>> film electrodes on each side, which still allowed O2 to pass through,
>>> with the wires attached to the thin-film electrodes.
>>
>>There is a molecular diffusion transport mechanism involved.
>>The wires could release O2 at the boundary layer, from various
>>diassociation energies, such as cosmic rays or high temp, depending
>>on impurites and  mislocations but the amount would be small.
>>alex
>
>Also, if the muffler bearing is siezed, the gamma rays released by the
>accelleration of the exhaust valve faces won't have a straight shot to
>the O2 sensor.  This will cause the O2 sensor to drift out of calibration
>over time.
>
>Ray
>
And omigawd, don't forget to keep the sponson rods adjusted properly, or
everything else will come undone!!!

Greg

Make sure the piston return spring isn't broken!!  Oh, and make sure the blinker fluid is full!

Kevin