Oxygen Sensor for 5KTQ

[Robert Myers]

It works much like a pH meter.  The meter measures to potential (voltage) 
difference between two electrodes.  One electrode is in the sample being 
tested and the other is in a reference sample (for the pH meter the 
reference is a solution of known pH).

At 09:44 PM 5/10/2005, Kneale Brownson wrote:

>*This message was transferred with a trial version of CommuniGate(tm) Pro*
>Why would the sensor need reference air?  It doesn't decide anything, just
>"reports" conditions inside the exhaust system.  I'd think the "reference
>air" if needed, would be at the ECU.   It's the ECU that decides things.
>
>At 09:18 PM 5/10/2005 -0400, Ben Swann wrote:
>
> >
> >I suspect some of the newer designs - 4 to 6 wire sensors actually have a
> >dedicated conduit for reference air.
>
>
>
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Bob
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