Help Guys! code pulled..

[jordan_lopez]

so my warranty just expired (currently 170,000 kms) ...and heres the code withe the help of my vag com
CEL = 16815 - Warm Up Catalyst - : Bank 2 Effieciency Below Threshold PO 431 -001- Upper Limit Exceeded
is it my Catalytic for sure or could be other things??Maf, o2 ,etc??


I was able to source out from another 02 v6 used cats with 60 k miles ( left and right cats )
so should i just swapped them and how hard is it to change the cats...i got quoted for about 8 hours jobs for both cats switched..

any DIY to swap cats on a 3.0??thanks guys..

[Dan1969]

I don't know about a used one. 8 hours seems a little steep for both sides.

[jordan_lopez]

any help?