P0161 Jeep -

Question

I have a 2004 Jeep Grand Cherokee 4.0 liters I change the o2 sensors and I still getting the code p0161?

Answer 1

P0161 - 02 Sensor Bank 2 Sensor 2 heater failure

Open circuit of the heater circuit of the 02 sensor, at Bank 2 Sensor 2 which is the catalytic monitor sensor, you will need to check the VT/OR wire for power. if there is no power check the fuse for power