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Old 11-27-2022, 02:50 PM   #5
truckdude239
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Join Date: Sep 2005
Location: Lewisville, Nc
Posts: 10,217
Re: P0420 and P0430 2002 Yukon

whta brand of cats did you install? i made the mistake of ordering a $200 set of cat on my tahoe and got 8k miles out if them, ive had a dealer account have me install cheap cats that never worked out of the box.
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David fuller
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1971 Chevy c-10 under going a 4.8l LSx swap

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2007 Honda Accord my daily 145kmiles
2002 Honda Accord 4 door With 330k(sisters car)
2005 toyota Avalon 228k( brothers car)
2002 Sububran 5.3 245k
2000 Tahoe 5.3l 378

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