jyounger
July 3rd, 2013, 03:46 AM
Looking for a factory tune for 09 GMC HD , I think the Bully dog glitched mine back when!!
Now it wont fast idel, trailer system fault, engine power reduced light comes on.
" DFP 4", EGR blocker, fuel lift pump, 900hp trany"
Now it wont fast idel, trailer system fault, engine power reduced light comes on.
" DFP 4", EGR blocker, fuel lift pump, 900hp trany"