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08/08/2024 5:41 pm
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Wondering if only the front cat can cause the issue or both front and rare cat can?
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08/08/2024 5:51 pm
It may not be a cat at all, there are numerous other possible causes for P0420.
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.obd-codes.com/p0420
@chucktobias Sorry I mean in case of everything else are good, only cats.