hab21 wrote:
> I have a 2000 Miata. The engine began occasionally not starting.
When I
> get it to the mechanic it starts. ....
> It is also throwing gas through and has damaged the converter.

The 99-00 miatas, from what I've heard, had problems with intermittent
ignition coils. It also seems to me that your mechanic should have been
able to query the OBD-II port on the engine computer to see what kind
of error report is stored.