Sputtering, Hesitation, Lost Acceleration? Carbon deposits in your engine could be the cause. Introducing NEW Valvoline™ EasyGDI™ with Power Dispersal Technology™, a revolutionary treatment for gasoline direct injection fuel and intake systems. a first-of-its-kind treatment that removes hard-to-reach carbon deposits and cleans GDI fuel systems in just over an hour. Up until now, treating and restoring Gasoline Direct Injection systems required an invasive engine dismantle and up to 8 hours of labor.