Thread: P0420 Code
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Old 07-08-2007, 09:11 AM
J-Rat
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Default P0420 Code

I have a 2001 Nissan Altima SE with 97,000 miles... Engine runs great with no abnormal noises, missfires, or anything else. Service Engine light is on with code P0420.
I understand this could be the Catalatyic Converter. I also understand that the 01 Altima has two of them.
With the car running great could I still need to replace the C.C. ? If so which one? Any help is appreciated... Thanks !
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