E 320 4MATIC Wagon (210.282) V6-3.2L (112.941) (1998)
EGR Backpressure Transducer: Description and Operation
Exhaust Gas Recirculation Vacuum Transducer, Task
Exhaust Gas Recirculation Vacuum Transducer, Task
a
Compression spring
b
Valve plate with diaphragm
c
Housing, pressure regulator
d
Hose line
e
Coil
f
Electromagnetically operated valve unit
ATM
Atmospheric pressure, air admission via cylinder head
OUT
Controlled vacuum to EGR valve
VAC
Vacuum supply from intake manifold
Controlling vacuum to EGR valve