Sensor ValvesEHFCVNovember 22, 2021E/E, Chassis Alfmeier Brake check valve with electronic under vacuum sensor. For switching on or off the electric vacuum pump a pressure-dependent signal is sent to the engine control. Previous Post URSV/Venturi Valve Next Post SAGW CVT-E BEV/HEV Transmission Leave a ReplyCancel ReplyYou must be logged in to post a comment.