> The combination of NOx, CO, and HC tells me the cat is gone.

Thanks for the confirmation - it's tough finding a replacement at the moment
:o(

> The next question is why?

It's an Emico, and the tech at the smog station was surprised that it had
lasted as long as 3 years.  That seemed strange to me - are aftermarket cats
really that awful?

> The high NOx also tells me the
> ignition timing is probably over advanced to make it run
> better and that may have contributed to the cat failing.

I'll take a look at that.

> Did something else go wrong in the past 11,000 miles?

Nope.  I went for a 2 week, 2,500 mile road trip in July, and it's been
running better than ever since then.

toodle pip,
--
       Dug Smith         | Terry Pratchett: It's almost
(mailto:dug@dugbert.com) |  impossible to ride a rock and roll
(http://www.dugbert.com) |  motorbike and stay on for three verses.