I had this exact experience in flood where it was pouring for days and
I drove the van into a puddle so large that when I drove through it
the water was over O2 sensor!

  Once I disconnected it the problem went away. Later when the van
dried out I reconnected it and it was fine.

Robert
NY

On Apr 6, 2009, at 12:47 PM, Ken Lewis wrote:

> Mike,
> On more than one occasion I have heard of the O2 sensor and it's
> associated
> wiring getting wet and causing this problem. Try unplugging it until
> it
> dries out.
> Ken Lewis
> http://neksiwel.20m.com/
> in statu viae