Need help. So I installed dsm injectors with resistor box, wide band and oil pressure gauge, p28 0bd1 ecu with 0bd2b to 0bd1 jumper harness. Car starts but tachometer, coolant temp gauge do not work. When the IAC is plugged in car revs super high. When unplugged it's high but not as severe. (Ecu is chipped and socketed was in process of tuning but sounds like vacuum leak). Any help would be great. Also wide band and oil pressure gauges work.