P0155 02 sensor heater circuit malfunction (bank 2 Sensor 1)

any idea what this means?? Thank Ya!

95, se, auto, cali spec

 

your o2 sensor is bad, I'm not sure if bank 2 means the 2nd of the o2 sensors, someone else could chime in on that. But you have a bad o2 sensors.

Just gotta determine which one is bad and replace it, should'nt take longer than 30 mins to change (including putting the car up and down)

Welcome to the org also. Read the Faqs very helpful information in there.