Ok, excuse my ignorance, one of my o2 sensors have crapped out on me (woop-dee-doo) and i don't which friggin one it is! I got the P1151 code. I know it's bank 2 sensor 1 but... drivers side?? passenger side?? Wtf?! If i'm facing the throttle body from the driver's side of the car, would it be the oxy closer to the front of the car or the one further away? My gas mileage has gone completely to hell and with gas prices as they are here in MD (freakin $2.30 for premium), i'm trying to get this fixed asap! So, please, help me out here...