car stalling and will shut off will not pull hills why

What is your question?

these are the codes that was provided p0128 b,p0410b,p0440a, the vehicle is cutting out and stopping will not pull a hill hardly. It will not speed up will stop sometime when you stop for a red light and is difficult to start as if it is not geting fuel. Please answer asap only transportation and has stopped on the express way . I replaaced thermostat wires, and plugs