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Old 05-21-2019, 10:40 AM
tvengineer tvengineer is offline
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2008 Sentra
 
Join Date: May 2019
Posts: 2
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 12:25 PM.
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