Causes and Fixes Toyota P0161 Code: O2 Sensor Heater Circuit Malfunction (Bank 2 Sensor 2)

How to fix a Toyota P0161 error code, O2 Sensor Heater Circuit Malfunction (Bank 2 Sensor 2). O2 Sensor removal tool on Amazon: https://amzn.to/3w6vqdA Possible Causes of a Toyota P0161 Code Failed O2 Heater (Air/Fuel) Sensor Wiring Open or Short Blown Fuse www.backyardmechanic.org By using this information user assumes all risk of use.