How to fix code P1167

Question

I replaced the upstream o2 sensor and still get P1167

Answer 1

P1167 A/F Sensor 1 heater circuit malfunction

What can also set a P1167 is a wrong application of the 02 sensor recheck the application for the sensor

​ On this Honda a P1167 was set after a failed 02 sensor ( reffered to as 02 sensor ) was replaced, In this case the 02 sensor was loose. proper torque resolved this,