A little help here, please...I'm getting a trouble code 72 on a 96 Neon DOHC...is it a bad cat or is it the o2 sensor throwing this code...any advice would be helpful, thanks in advance...

The code 72 is for a bad cat. It should be replaced.

* Mod Statement* I know this post may be old, but I am trying to answer the questions with no replies, to get some useful info out there.