Does not pass smog the OBD checkengine light is Yellow, passes all other tests on 2001 Saturn SL2

Told to drive it so the computer resets but we have driven it for over 500 miles no change to the check engine computer ODB test which stays in the yellow.

Any suggestions?

Asked by for the 2001 Saturn SL2
What are the trouble code/codes?
1 more answer
What is the code on the smog report? It would be POXXX