EVAP Dual Check Valve
WARNING: This page is about a different variant/trim than selected.
The EVAP dual check valve is used to allow purge flow during boost conditions. Fuel vapors flow through the EVAP dual check valve to the intake air system upstream of the turbocharger before entering the intake manifold. When the engine is OFF, or at atmospheric pressure, the EVAP dual check valve is in an indeterminate state.