the other week my car was running fine , it was a fairly warm day got to my destination got out went to leave later on car would not start car was cooled down , sounded like the fuel pump replaced the pump and the filter checked the lines all seemed well until a couple of days ago when the engine warms up you put your foot down on the accelerator and it seems to die idles fine and starts fine , but you could be driving along and all of a sudden no response PLEASE PLEASE help