hey guys so i have a d16z6 with i/h/e chipped ecu and intake mani my car has been running rich since i installed the intake manifold and it leaves build up in my exhaust did a tune and two days later my spark plugs got black so quick i have gas in my oil my car hasent lost any power it runs good besides a jumping idle i took it to the tuner shop today and they said that the program was fine but didnt know why it would be running so plz help me im tired of this problem!!and forgot exhast really smells like gas!