Exhaust Gas Recirculation Switchover Valve, Position/Task/Design/Function

Exhaust Gas Recirculation Switchover Valve, Position/Task/Design/Function

ENGINE 111.974 with CODE (491) as of model year 97 USA version
ME-SFI fuel injection and ignition system




Y27 EGR switchover valve

Position
At face end of engine at front

Task
Controlling the EGR valve by means of vacuum

Design/function
The EGR switchover valve is actuated by the ME-SFI control module by means of a GND signal through its own output stage.
The voltage is supplied by circuit 87.