Owner's Manual
Page 223
...then controls how much air is going into the intake manifold. To make sure the emissions remain low, you should use only new genuine Honda replacement parts or their equivalent for more information. Technical Information Exhaust Gas Recirculation (EGR) System The Exhaust Gas Recirculation (EGR) system takes ... the ignition timing, reducing the amount of HC, CO, and NOx that comply with the Clean Air Act. The Engine Control Module (ECM) uses various sensors to determine how much fuel to control the engine's combustion and minimize the amount of HC, CO and NOx produced....
...then controls how much air is going into the intake manifold. To make sure the emissions remain low, you should use only new genuine Honda replacement parts or their equivalent for more information. Technical Information Exhaust Gas Recirculation (EGR) System The Exhaust Gas Recirculation (EGR) system takes ... the ignition timing, reducing the amount of HC, CO, and NOx that comply with the Clean Air Act. The Engine Control Module (ECM) uses various sensors to determine how much fuel to control the engine's combustion and minimize the amount of HC, CO and NOx produced....