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  #1  
Old 05-21-2019, 09:40 AM
tvengineer tvengineer is offline
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2008 Sentra
 
Join Date: May 2019
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Default 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.

Last edited by tvengineer; 05-21-2019 at 11:25 AM.
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  #2  
Old 05-22-2019, 08:06 AM
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NissanTech NissanTech is offline
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2004 Xterra
 
Join Date: Jun 2005
Location: California
Age: 48
Posts: 12,230
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Where do you live? some states won't allow you to use aftermarket Catalytic Converters.
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  #3  
Old 05-22-2019, 05:17 PM
tvengineer tvengineer is offline
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2008 Sentra
 
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I live in NC
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