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EGR CONTROL OUTLINE [MZR-CD (RF Turbo)]

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• To recirculate optimum amount of exhaust gas to the combustion chamber according to engine operation conditions, the PCM performs duty control of the EGR valve (DC motor) to open and close the valve.
• During diesel particulate filter auto/manual regeneration, the EGR valve is controlled so as not to operate to prevent the fuel from passing too quickly or slowly while in post injection. (EGR system stops)