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14/11/2023 6:05 pm
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2006 nissan pathfinder
I have codes p0420 and p0430 at the same time . Runs great. Lots of power. No exhaust leaks. What’s my best option to ride the root of the problem.
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14/11/2023 6:08 pm
What’s my best option to ride the root of the problem.
Your best option is to follow the troubleshooting steps for those codes. (P0420 and P0430 are the same issue on different banks of the engine, so look for a common cause for both.)
https://www.walkerexhaust.com/support/tech-tips/diagnosing-catalytic-converter-p0420-code.html
https://www.way.com/blog/p0420-code-what-it-is-and-how-to-fix-it/
https://www.carparts.com/blog/p0420-code-catalyst-system-efficiency-below-threshold-bank-1-2-2/
https://www.obd-codes.com/p0420
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