Catalyst degradation determining method

A catalyst degradation determining method includes the steps of: controlling an upstream-of-catalyst air-fuel ratio occurring upstream of a first catalyst to an air-fuel ratio that is rich of a stoichiometric air-fuel ratio so that first and second catalysts store oxygen up to a maximum storage amou...

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Bibliographische Detailangaben

Hauptverfasser:	Kamoto, Akira, Nagai, Toshinari, Oi, Yasuhiro, Adachi, Noriyasu, Ide, Koji, Kobayashi, Daisuke, Okazaki, Shuntaro, Kato, Naoto, Uchida, Takahiro
Format:	Patent
Sprache:	eng
Online-Zugang:	Volltext bestellen
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