throwing p0430

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Ceejkay

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so after the new motor at 509 miles i got the p0430 code pop up.. so i went through my trouble shooting guide and made sure all my exhaust bolts were tight, checked and made sure all the wires on the 02's looked good, and looked at the cats and didnt see any severe discoloration. cleared the code and it didnt come back for 200 miles.. did the same checks didnt find any leaks (cold motor and some dish soap) does it look like the cat needs to be "replaced"?

i still need to swap sensors to see if i get the p0420 code.. but im about to go to work and wont be able to do it today..
 
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