P0030: HO2S Heater Control Circuit (Bank 1 Sensor 1) – Is Your Car’s Brain Feeling the Heat?
Is your check engine light on? You might be dealing with a P0030 code. This pesky little trouble code indicates a problem with the HO2S Heater Control Circuit (Bank 1, Sensor 1). Think of your car’s oxygen sensor as a tiny weatherman, constantly monitoring the air-fuel mixture in your engine. When it gets chilly, this … Read more