Oxygen sensors have been used in automotive exhaust systems for more than 25 years. Its job is to monitor the level of oxygen in the exhaust so an onboard computer can regulate the air-fuel mixture to reduce emissions. The oxygen sensor in other words is the final "feedback" sensor that lets the computer know how all its calculations are working out, by sending your car's computer data on the fuel/air ratio in the exhaust. The oxygen sensor sends the validation that everything else is working properly or isn't, whichever the case may be.
If your Volkswagen oxygen sensor malfunctions, it could no longer read the ratio, making your car perform poorly which may result to heavy fuel consumption. And eventually, this occurrence will lead to your engine performing inefficiently that will in turn cause the car's failure to pass emission tests. Do you see now why properly functioning Volkswagen oxygen sensor is important when it comes to your vehicle's fuel economy and exhaust emissions?
So checking for and possibly replacing a worn-out Volkswagen oxygen sensor is an important factor of every routine tune-up. By replacing your oxygen sensor on a regular basis, you'll get fuel economy and performance from your ride just like when you drove it off the showroom floor. Purchasing for new Volkswagen oxygen sensor is just easy. Volkswagen oxygen sensors are available in your local auto parts dealers and a wide array is offered in online auto parts stores.