Twin O2 sensor question

[AL8001 at aol.com]

In a message dated 99-06-02 23:43:13 EDT, shannen at grolen.com writes:

>an O2 sender just after the 2 turbos join at a common outlet point,
>> then a pre cat, then a bit of plain pipe, with what *appears* to be a
>> second 02 sender, and about 2 feet further back, a second, main cat.
><snip>
>> 

It may be a exhaust over tempature sensor.  These have been installed on 
280Z, Rx 7 and such.  Check your dash/ owners manual for a warning lamp.

Harold