2014 Ecotec 2.5L I-4 VVT DI (LKW) for Chevrolet Impala

The Ecotec 2.5L I-4 engine for the 2014 Chevrolet Impala features Intake Valve Lift Control technology (iVLC). iVLC allows the valves to open and close by varied amounts and at different times depending on power demand to provide greater fuel efficiency or power. The engine also uses direct injection and continuously variable valve timing to optimize efficiency and power.