Can you tell me what the problem is

I'm not sure why you replaced the starter, alt and coils. Was there no spark to the plugs? Was the battery going dead? Did the starter not engage?

As of now, are you getting spark to the plugs? Even thought you can hear the fuel pump, have you confirmed that it is producing the proper amount of fuel pressure?

Try this and tell me the results. See if the engine will start for a couple seconds using starting fluid to start it.

Even thought the plugs and coils are new, there may be an issue with the ignition system that isn't sending power to the plugs. As a result, there would be no spark to burn the fuel and the engine wouldn't run. You need to confirm it is getting spark.

On the other hand, if the fuel pump can't produce enough pressure, the injectors will not inject fuel into the engine. Again, it won't run.

If you can, try what I said with the starting fluid. If it starts with it, then there is no fuel getting to the engine. If it doesn't start with starting fluid, then there is no spark to the plugs. Once we establish that, I can better direct you.

If it won't start at all now, I really feel that is a different issue.

That could be an issue with the idle air control valve, a vacuum leak, EVAP issues, bad coolant temp sensor. Did the check engine light come on when this happened?

I think you are referring to the ignition coils. Do you mean they are firing all at the same time?

There are too many variables. I need to know if the plugs are getting spark and if the fuel pump pressure is within the manufacturer's specs. Either one of them isn't working properly or there is a bigger problem.