ML 500 (163.175) V8-5.0L (113.965) (2003)
EGR Backpressure Transducer: Description and Operation
Exhaust Gas Recirculation Vacuum Transducer, Design
Exhaust Gas Recirculation Vacuum Transducer, Design
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
Pressure regulator with electromagnetic proportioning valve