Why does my Ford Explorer have a heated O2 sensor?
Why does my Ford Explorer have a heated O2 sensor? Ford Explorer P0161: Heated O2 Sensor – Performance | Bank 2 Sensor 2 January 13, 2019 by Jason P0161 is a very common OBDII code that occurs in the Ford Explorer. It is typically caused by a failure in one of the elements that heat the oxygen sensors, specifically bank 2 sensor 2. Can a heater with an oxygen sensor fail? Oxygen sensor heaters do fail. But there are other possible causes for a heater DTC. Before screwing in a new sensor, this simple test will determine whether everything else...