Okay...here are the facts...i just swapped in an obd2 jdm d15b into a 96 honda civic ex...i got it up and running and it was driving fine for about a week...but now it just wont start...i checked everything...spark...fuel...and timing...i just dont know whats wrong with it...i even checked the main relay...and its fine...the motor has brand new spark plugs and wire...IA please help...