where is o2 sensor relating to p0050 code

Question

2010 traverse 3.6l with p0050 code that comes and goes away.p0050 is code for o2sensor heater electrical malfunction where do I locate this sensor on the engine and relay or fuse that relates to this problem...I cant seem to find a repair manual except online.

Answer 1

there is no fuse for it, the oxygen sensor is bank 2 sensor 1 most likely bad