I replaced the 1 bank O2 sensor, but codes keep coming back. Please advise on what I can do to clear it, could it be that bank 2 needs to be replaced also and that the code isn't reading, help.

 

If your car is like mine before 03 I think then there was a recall for slow response code on bank 1 O2 sensor should see the dealer for an upgraded wire loom and software.All it does is making the ECU less sensitive for the generically slow Bosch O2 sensor.I didnt do it yet as I was told it will over write the tune.Last inspection was bit of a headache because of this but the 2nd new O2 sensor made it trough since I'm getting the code again but I'm good for another year now so please let us know.What year is your car and which code you are getting?