As the name suggests, oxygen sensors in a car’s exhaust system sniff for oxygen, the presence of which indicates incomplete combustion and unchecked pollution. This can trigger the check engine ...

To prevent the negative effects of a failing oxygen sensor on your car's emissions, regular maintenance is essential. This includes having your vehicle's emission system checked periodically and ...

Oxygen sensors with older feedback carburetors switch once every second at 2,500 rpm. Sensors installed with throttle body fuel injection systems switch two or three times per second at 2,500 rpm ...

CARS.COM The problem: The check-engine light may illuminate due to a faulty oxygen sensor. Cars affected by service bulletin: 2013 Hyundai Veloster 2014 Hyundai Veloster 2015 Hyundai Veloster ...

To maintain your oxygen sensors, ensure you use quality fuel and regularly service your oil, spark plugs, and air filter. Signs of oxygen sensor failure may include a check engine light, engine ...