mk808

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    Reading "Live Data Stream" from an 08 Yukon xl 2500 6.0l

    Hey all, I just bought a 'new to me' 2008 Yukon XL 2500.. On the day I went to look at the truck I had a $35 scan tool and was poking around looking for CEL or other errors and found none.. Overall truck looked great so I bought it and brought it home. Fast forward 5-6 weeks and I now have...