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Budget solutions for a P0420 error - part 1

369 views· 2 likes· 5:41· Oct 17, 2022

My 2008 Nissan Altima has the check engine light on. Getting the code checked, I see it's the common P0420 - catalyst system below threshold. This probably means my catalytic converter is going bad and needs to be replaced. We all know how expensive that is, so before doing that I'm trying some low-cost solutions. Will they work? Watch and see!

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