300SD (140.134) L6-3.5L DSL Turbo (603.971) (1993)
/l6-3.5l_dsl_turbo_(603.971)/Page-655001.png)
EGR Backpressure Transducer: Description and Operation
Vacuum Transducer (Y31/1, Y31/4)
Y31/1 EGR Valve vacuum transducer
Y31/4 Boost pressure control vacuum transducer
Respective to operating conditions, the vacuum transducers receive a control current from the control unit. The vacuum transducers then deliver a
corresponding amount of vacuum for the EGR valve or the boost pressure control valve.
