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Like the title says, I could really use a hand right now. The issue is with my LS2 C6 with longtubes, ported intake and throttle body, cold air, and straight pipes and a tune. I had some issues with the O2 extensions for my Longtubes melting against my primaries not so long ago. That problem was fixed but it would still run a little rich from time to time almost like it was going into open loop. More recently it started running extremely rich then would stoich out and go back to normal like nothing ever happened. You can see what I'm talking about in the screenshots below. The motor is hot from my drive home from work and it's idling.
These are from DashCommand because I don't have HPTuners or anything. Please help!!!
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Please Help! 
