Toyota P0031 Code HO2S Heater Control Circuit Low (Bank 1 Sensor 1)
A Toyota P0031 Code is a “HO2S Heater Control Circuit Low (Bank 1 Sensor 1)” Common causes include a bad oxygen sensor, or sensor wiring. Symptoms include using more fuel than usual, check engine light, and bad acceleration. A Toyota with a P0031 OBDII Code is having an issue with an Oxygen Sensor. Oxygen sensors… Read More »