O2 Voltages

[xxalexx at ix.netcom.com]

It sounds like something wrong, do they both cycle at any time?
You could swap them and check.  
alex
> I have two O2 sensors in my exhaust, one is connected the other is not. 
> When the engine is running the output of both sensor is different by a factor
> of ten, the computer connected one reads 0.1V and the free one reads 1V 
> Is this right? if not what voltages should an O2 sensor give?
> 
> Ben
> 
>