Easy Way to Diagnose a Failed Oxygen Sensor

The oxygen sensor of your car is basically residues in the exhaust manifold and used for detecting the components of the exhaust system as well as monitor its performance. In this way, all the readings of the oxygen sensor are transmitted to the engine and help the car to determine its fuel-to-air ratio for maximizing its performance. If you are driving an older car, then it's a duty to determine the failed oxygen sensor in your car for performing the necessary repair. The following video provides you the most effective and easiest way to diagnose the failed oxygen sensor in the car.