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Home >> Infiniti >> 2017 >> Q60 Sport, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Control System (Introduction) (2.0L Turbo)) >> System Description >> System >> Exhaust Treatment Function >> System Description >> Three Way Catalyst Function

Three Way Catalyst Function

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Exhaust emissions emitted from engine cause chemical change (conversion) the most effectively when having the theoretical air-fuel ratio by three-way catalyst. Due to the oxidation, carbon monoxide changes to carbon dioxide and hydrocarbon changes to water and carbon dioxide. Nitrogen oxides changes to nitrogen and carbon dioxide by the reduction.