Gumout 510011 Multi-System Tune-Up, 16 oz. - Use in gas, ethanol/flex fuel, diesel & biodiesel engines - Restores fuel economy and improves engine performance - PEA (polyetheramine) effectively removes carbon deposits from the entire fuel & oil systems - Stabilizes fuel and oil for up to 2 years - Helps pass emissions testing, Lubricates upper cylinders, and Fights ethanol related rust & corrosion .
