Exhaust Gas RECIRCULATION: Description

Honda uses exhaust gas recirculation on all models to reduce oxides of nitrogen (NOx) emissions. The system includes a special intake manifold and cylinder head, EGR valve, EGR control valves, EGR switch, EGR control solenoid valves and a throttle opener solenoid valve. A speed sensor, thermosensor, control switch solenoid valve and vacuum switch complete the system.