Oxygen Sensor for 5KTQ

[SJ]

> From: "Lyle" <lws at o-o.yi.org>
> Subject: RE: Oxygen Sensor for 5KTQ
>
> More likely because the O2 content in the atmosphere varies depending on
> where you are.
**** Good point. You mean operations at different altitudes. However, I
think the altitude sensor in the car is the primary adjuster for the
air/fuel mixture as a function of altitude.
I think the O2 sensor is self correcting for altitude. The less oxygen there
is, the less you burn . . the ratio of oxygen between the exhaust gas and
the atmosphere will remain the same. As such, the ECU cant use the O2 sensor
for mixture control as a function of altitude.

>
> -----Original Message-----
> Why is it exposed to the atmosphere instead of being sealed with
atmospheric
> air? I suspect its because there is a small amount of oxidation taking
place
> on the inside of the sensor . .
>

SJ



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