Nissan Maxima P Codes (Powertrain) P0400 - P0499 P0430

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Codes P0420 And P0430

2009 NISSAN MAXIMA
I Have Just Replaced My Motor. The Check Engine Came On. The Code Is P0420 And P0430. Say It Is About The Catalytic Converter. Can You Tell...
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Asked by Stillhoping26

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