i have a 97 ek hatch that i put a obd1 ls in, i used obd2 injecters,alt,and dizzy,harness and p75 ecu, its got fire, fuel it will start but takes a few time and when it does it will idle but when you try to rev it up i trys to die, the timing is good,has new fuel pump, stock fuel filter, motor is good for a fact road in the car it came out of what could this be