engine code 9

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<_< ok guys i need help i am getting o code 9 on the check engine light . i have a h23 block with a h22 dohc vtec head just got it running today and it has a rough idle i have a new dis and a p06 ecu that has been reprogrammed to a p28 and have a mugen chip in it .i have no idea how to fix this problem so please help me. thanks