P0031: HO2S Heater Control Circuit Low (Bank 1 Sensor 1) – Heated O2 Sensor Issues
Ever wondered what that pesky P0031 code on your car’s dashboard means? It’s not just a random string of numbers and letters – it’s your vehicle’s way of saying, “Hey, we’ve got a problem with the oxygen sensor heater!” The P0031 code indicates a low voltage issue in the heated oxygen sensor (HO2S) control circuit … Read more