This product can effectively solve the problems of catalytic converters such as sulfur-phosphorus compound blockage, poor exhaust, power loss, increased fuel consumption, and shortened life. At the same time, it can be used to clear the carbon deposition and sludge in combustion chamber, intake valve, fuel injectors and other parts. It will reduce exhaust emissions and fuel consumption, improve power performance, restore the exhaust purification function of catalytic converters and extend its life. - See more at: http://www.idoauto.com/uelirystemaintenance/23-8.html#sthash.2TJPSFmN.dpuf