trouble code po158. whitch o2 sencor do i change? on 2006 Jeep Grand Cherokee

Trouble code po158 is o2 sencor but there are 3 o2 sensors on this jeep. I do not know whitch one to change

Asked by for the 2006 Jeep Grand Cherokee
If all you want to do is guess that the 02 sensor is actually the problem, it's the one 'behind' the cat conv!... Codes are just a tool to use when diagnosing a problem with the vehicle, not an answer to what the problem is!!!... You might get lucky.... Good luck!