My car have a 4-1 header and I want to know if there is a way to turn off the CEl off. I dont want to make a new hole and install the second O2 after the high flow cat. I am sure that somewhere is a post, but I cant find it, of a O2 from a General Motor car (I am not sure if its a Pontiac) that can fool the ECU and will help me to solve this problem. <img src=icon_smile_question.gif border=0 align=middle><img src=icon_smile_question.gif border=0 align=middle><img src=icon_smile_question.gif border=0 align=middle><img src=icon_smile_question.gif border=0 align=middle><img src=icon_smile_question.gif border=0 align=middle><img src=icon_smile_question.gif border=0 align=middle>
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