> Nathaniel Merrill wrote:
>
> Anyway I intend to seal my new one well with oxy sensor safe rtv
> silicone.!
>
>
> hello
> Please do not seal O2  sensor
>
> O2 sensor is not made to be seal
> O2 sensor is vented to atmosphere by the small gap  near the nut
> If you look carefully  near the nut you will notice  the cap of the O2
> is just crimp  at four or six places
> I  should explain more deeply but my vocabulary   in english   is not to
> good

He's correct. The oxygen sensor works like a small battery, and needs
to have clean oxegenated air inside the cap. I think, though, that
the amount of oxygen it consumes is quite small, and a sealed can
would probably provide enough oxygen to last for a long while.

Joshua Van Tol -- jjvantol@uswest.net