p0430

  1. H

    I got this code pop up P0430 what's the fix to it?

    it is on my 2014 ram 1500 SLT 5.7 Hemi that has about 194k miles on it. I don't know if it is the o2 sensor that needs to be replaced or what but I would like to know what are your guys' advice on this code Catalyst system efficiency below threshold (Bank 2). Thank you.

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