It was the in-tank. I know the operations procedures have an alignment included in them that was not performed. I don't see why they suggested I foot the bill for that.
BOO4OSU is a 2011 Camaro SS1/ RS LS3 M6 equipped with a SLP loudmouth 2 cat-back, SLP short throw shifter, SLP blackwing intake, SLP rear strip and shark fin stripe kits, and SLP SS badge kit. Added Bluetooth, center gauges, and steering wheel controls from GM. Bumblebee stripe kit from rjw.