got P0420 code
#2
front bank 1 catalytic converter, buy an after market with new o2 sensors , that shoudl fix the problem. u should change it soon becasue i didnt change it for 2 years and then my car started to burn oil becuase of the carbon biuld up
#3
Try this first. It worked for me and I do it twice a year. 210,000 miles and still going strong. Not to mention much cheaper.
https://www.youtube.com/watch?v=5icTmYItwiE
https://www.youtube.com/watch?v=5icTmYItwiE
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Kyle Lee Cleveland
6th Generation Maxima (2004-2008)
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09-28-2015 09:01 PM