ok! I used 00 si harness, it all seems to fit. But Im pluged wit my (obd2b) dx 00 ecu. So I turn the key n the motor started but it died. Evry tym I do it same thing happends. Why iz it doing tht? iz it b cause the ecu iz dx n not the right one (I have a jdmb18c obd2a in my 00 dx coupe). Any ideas or suggestions......