you need to stop and take a couple minutes to figure out what you are trying to repair. It would seem that you have more than just one problem. The three codes you have are all for the TAC (throttle actuator control - drive by wire) and those codes will cause the reduced power condition. you will need to look at the two tps reading. they should match. you should use a scanner or some tool that you can graph both sensors
to see if you have any glitches or drop outs. there are two tps signals and two processors that compare each other. if they don't match you get codes. because they don't match the computer doesn't know which one to believe so it reduces the power so you don't have a runaway engine. (just in case. it's a safety feature)
the other problem is your no start problem. starting from when you said you were having timing issues: what were the timing issues? when you aligned everything did the engine run normally after that? Or has the engine never been run since then? Have you verified that you are getting spark to each cylinder? Fuel injector pulse to each cylinder? have you checked the compression for each cylinder? Is the fuel pressure between 50 - 60 psi?