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volfan

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volfan Enthusiast

volfan

Posted
Posted

i have a 99 4.8 that threw a code po171 and was diagnosed as bad cat. but i didnt bother to assked if the 2 cats come together or i will only get the one replaced which i believe the scan said right bank i had rather have the whole assy and just have it bolted in place instead of have one side cut off and the new one welded in but since i am still under the emissions warranty i guess ill have to take what i get just wondering if anyone had had this situation

GM-Tech Senior Enthusiast

GM-Tech

Posted
Posted

The cats are covered for 8/80. If it needs replacing, there will be no welding/cutting/patching in of an individual side. They'll replace the whole front crossover pipe with cats.

jaba Enthusiast

jaba

Posted
Posted

I had the same problem 2 weeks ago with the right bank. They replaced both cats at the same time. I was worried at first until I saw them drop the assembly. When I asked the price they said alittle over $600.00 for the y pipe. Good thing I was in the 8/80 warranty.

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