I am having probs passing emissions this is what I know of what I am running:
4g63 2.0 Turbo 550 injectors, 18G turbo, custom exhaust, big intercooler, Apexi Air Flow Computer
Here is what is happening I took it to the emissions guy and he said that the ECU is not communicating there is no check engine light. I dont what it could be anyone have any helpful advice as what it could be?