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Home >> Suzuki >> 2003 >> Vitara 2D Utility, 4WD, Standard >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Emission Systems >> Exhaust Gas RECIRCULATION >> EGR Control
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EGR Control

EGR valve is controlled by ECM using a stepper motor attached to EGR valve. ECM uses signals from Camshaft Position (CMP) sensor, Engine Coolant Temperature (ECT) sensor, Mass Airflow (MAF) sensor and Vehicle Speed Sensor (VSS) to determine control of stepper motor.