My injector harness is split at its end and I have 4 injector connectors hanging in my engine bay. The previous owner tells me I have H22 injectors on the car now. Why does the injector harness need to be split? Are the H22 injectors of a different OBD? Why can't I use the stock connectors on these H22 injectors? There is an injector resistor box in my engine bay.