Zero volts shows a bad sensor, assuming proper measurement setup.

Replacing the o2 sensor is the logical step now. Then you need to wonder
if some underlying problem will kill the replacement as well.

Mark

Jim Felder wrote:
> ..........
> Well, for a few bucks, one of the listmembers is going to sell me a
> tested O2 sensor and for that kind of money I will know for sure. Plus
> it doesn't hurt to have a spare O2 around even if mine is working.
>
> I started the car and let it get hot. I put my digital multimeter on 2
> volts and checked the terminals. It read 0.00.
>
> Jim
>