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module) , regulates the amount of exhaust gases recirculated into the air intake system. The ECM uses signals from various engine sensors and calculates a response based on the embedded software algorithm to control exhaust gas ECM transmits this control signal to the valve's actuator, which is closed-loop controlled with the mass air flow (MAF) sensor providing the feedback to the ECM . COMPONENT DESCRIPTION Exhaust Gas Recirculation (EGR) Valve and Cooler Assembly Item Part Number Description 1 - Actuator 2 - Coolant outlet 3 - Cooler The EGR valve and cooler assembly is located on the RH side of the cylinder head above the exhaust manifold, and A pipe on the EGR cooler body connects to the climate control heater outlet hose, and provides the coolant supply to the Engine Cooling (303-03A Engine Cooling - I6 3.2L Petrol, Description and Operation). The EGR is controlled by the ECM, and is enabled when the engine meets the correct operating temperatures and under Oil Separator |