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I am chasing a low power condition (trouble pulling hills) and trying to rule out various components.Can anybody detail out (very simply) the symptoms of a bad lift pump or a bad ecm.When you can only take a 3% grade at 35 mph something is wrong.Fuel filter changed out, injections bled, air filter replaced, currently installing a boost gauge but Iexpect it will show turbo is fine.After lift pump and/or ecm it becomes more serious I imagine (trans tq or injection pump?)When I downshift manually from 3-2 (no OD) the engine rpms go up but no change in torqueor vehicle speed.