Since the nineteen seventies, the Environmental Protection Agency (EPA) has mandated that vehicles be equipped with emission control systems to reduce harmful greenhouse gasses. Carbon monoxide, nitrogen oxide, and hydrocarbons are the main compounds that are regulated by the EPA on vehicles with internal combustion engines. Modern vehicles are equipped with a variety of devices designed to reduce these combustion byproducts.
Emission system diagnosis and testing ensures that these pollution control systems are working properly on your vehicle, and that your engine is not emitting excessive greenhouse gasses.
Your vehicle likely needs emission system diagnosis and testing if you notice any of the following signs:
To complete emission system diagnosis and testing, a technician may perform any or all of the following actions:
This is demo Question
This is demo Answer