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Catalytic Converters
Check into the warranty. I received the same exact codes a few months ago on my 2015 Tahoe LT and the same problem with the cats was diagnosed. I had 81200 miles and just could not believe the warranty was only to 80K. My dealership went back to GM with it and in about 4 days, I was told that...- John H
- Post #10
- Forum: Engine & Drivetrain
