Egr System Diagram; Egr Valve; Egr Modulator - SSANGYONG 2004 Rexton 2.7XDi Workshop Manual

DI04-30

EGR System Diagram

manifold
Exhaust
manifold

EGR Valve

EGR valve recirculates some of exhaust gases to intake system to reduce toxic NOx from engine according to ECU
signals.
• EGR valve opening point : -270 mmHg

EGR Modulator

According to ECU signals, the vacuum modulator drives EGR valve by controlling vacuum pressure that is generated by
vacuum pump with PWM type controls.
CHANGED BY
EFFECTIVE DATE
AFFECTED VIN
Intake
EGR
valve
Modulator
Regulated
vacuum
pressure
Duty
control
Feedback EGR
Improved target EGR
Pedal
signal
Intercooler
Vacuum
pump
Air intake signal
(Air Mass)
ECU
RPM
signal
(for EGR feed-
back control)
Turbo charger
EXHAUST SYSTEM
Y220_04028
DI ENG SM - 2004.4