EGR COOLER BYPASS VALVE [SKYACTIV-D 2.2]

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Purpose, Function

• The amount of exhaust gas not passed through the EGR cooler, which is re-circulated to the intake manifold, is adjusted.

Construction

• The EGR cooler bypass valve is installed to the intake manifold.

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• Consists of the valve, spring, rod, filter, plug, and motor component.

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• The EGR cooler bypass valve has an integrated EGR cooler bypass valve position sensor. (See EGR COOLER BYPASS VALVE POSITION SENSOR [SKYACTIV-D 2.2].)

Operation

• The PCM drives the DC motor of the valve by the pulse-width modulation signal.

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• Control of exhaust gas temperature is enabled by cooperative control of the EGR valve.