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04-6 Method for Reduction of NOx ▶ NOx is generated a great deal in case that combustion temperature and excess air factor are high. EGR valve can decrease NOx (30 to 35% decrease) by making temperature of combustion chamber fall by means of exhaust gas re-circulation. EGR valve is installed on the diesel engine of Musso, Korando, Istana and Rexton. And micro switch is installed together to control EGR valve. The setting method of micro switch is identical with the existing one. - - |