I already know this code is downstream heated O2 sensor circuit, low voltage (bank 1 sensor 2). My question is: is there anything I can do before replacing the sensor itself? I'm losing about 45 miles per tank of gas on my fuel economy.
By the way, before anybody jumps me about using the search function, I did.
I came up with nothing useful towards my current problem. If I overlooked it send me a link.