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Just installed new stage 2 injectors (stock fuel and HOP system) and the EDGE 100 hp tuner. Was out playing and going up hill was able to push 30psi of boost. Then the check engine light came on. P1211 I think I ran out of pressure for my injectors, and this one Im not sure of, P0478 high exhaust back pressure. What to do about this? Whats my next step on the road to more power? Please help.