Most of the vehicles emit harmful gases polluting air and the deadliest gases released by motors are hydrocarbons and carbon monoxide. If the fuel is not burned completely by these vehicles, it causes release of carbon monoxide. If you have a faulty oxygen sensor in your car, your car may release carbon monoxide, which is a deadly gas. The harmful gases not only cause infection to throat, eyes, ears and lungs, but it may even cause death in certain cases. You cannot smell carbon monoxide and hence, you will not be aware of inhaling it.

With the advancement in technology, you find computerized vehicles in market and most of the newly designed vehicles have o2 sensor. The governments of most of the countries have tightened environmental laws to implement reduction in release of harmful gases and to monitor release of harmful gases from your vehicle, you need oxygen sensors. Oxygen sensors are small devices found in almost all the vehicles and it can also be bought from online suppliers providing wholesale oxygen sensor. There are many wholesale o2 sensor websites, where you can also find information about the functioning of an o2 sensor.