Mark,

Thanks for the information.  I'm in Harrisburg, PA visiting daughter,
and I'll  change the Oxy Sensor tomorrow.  I've had the van for two
years, and I've put 45,000 miles on it without changing the Sensor.

I'll report progress.

Regards,
Tom Hanlon
Palm Springs, CA
on the road in Pennsylvania

Mark McCulley wrote:

> At 08:49 AM 7/31/98 -0700, you wrote:
> >Other than the fact either Bentley or Haynes suggests that the
> exchange
> >life of a CC is 60,000 to 100,000 miles,  and I don't know the
> history
> >of the present CC or vehicle, does anyone have any
> information/opinions
> >on the causes of CC /meltdown/clog/failure and how to avoid one?
> >
> An overly rich running engine can cause the CC to get hot enough to
> melt
> down as unburned fuel is dumped into the CC and burned.
>
> MM