What could cause o2 sensor to need replacing every six months? Jeep cherokee 1999

Question

I have been getting the code p0036 every six months. Each time i replace my o2 sensor and it goes off. I have done this about 4 or 5 times now. What could cause it to need replacing so often?

Answer 1

Hi there,

If the code keeps reappearing after changing the sensor, it's most likely a wring issue causing the code. Here is some more info for you.

P0036 - HO2S Heater Control Circuit Bank 1 Sensor 2

Read more: https://www.autocodes.com/p0036.html