O2 voltz

[Bruce Plecan]

Nope. Not backwards, I retried it several times with the same results.
Bruce

> > For the lack of anything else to do, I hooked the heated O2 up, and was
> > looking at the voltage drop across a sensor resistor, I been thinking of
> > using.
> >   As the heater warmed up, the voltage drop across the resistor changed,
> > just meaning the heater was drawing less current.
> >   I had hooked the scope probe across the O2, and cold there was no
output,
> > to be expected, but as it warmed up the output swung toward, .2v.  Just
in
> > atmospheric conditions.  Ok, so then it should go way high in pure O2
right,
> > nope went a little over .3, and stopped there.

> I think you have got it backwards. The sensor should be reading a very low
> voltage as there is no difference in the concentration of O2 on both sides
> of the sensor.

> Wen

> >   Did I need to load the sensor?.
> >   The heater doesn't go to a high enough temperature for the O2 to fully
> > swing high?.
> >   Does the engine side need to see a slight amount of pressure to
reference
> > to?.
> > Grumpy