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-   -   P0420 Code and New Cat (https://x.nissanhelp.com/forums/sentra/31501-p0420-code-new-cat.html)

tvengineer 05-21-2019 10:40 AM

P0420 Code and New Cat
 
2008 Sentra. I have a persistent P0420 code that comes back when the system check is complete. I replaced the upstream O2 sensor. Apparently i am going to have to buy a new cc. There are no apparent performance issues. The car starts and runs very well. No perceivable loss of power etc. I found a Walker and Pacesetter on Rockauto. Pacesetter is cheaper. Which would be better?
Thanks.

NissanTech 05-22-2019 09:06 AM

Where do you live? some states won't allow you to use aftermarket Catalytic Converters.

tvengineer 05-22-2019 06:17 PM

I live in NC


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