I just tried p72. I'm still geting code 20 I'm stuck & going buck. hmm... i really don't know what else to do. i will get a manual ecu in about a week. and check with that, but i'm sure that the code will come up again, since it came up with the p72. HELP!!!!!!!!!!!!! guys, i'm all out of ideas. this is my second swap, first one was my friends gsr into an ek. obd1 into an obd2 car. we thought that was tough, hahahaha. this is rediculous. please let me know if you have any ideas about what i should do. thanks.