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Had to splice o2 sensor housing, now the car is idle hunting

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gsx ftw

15+ Year Contributor
106
1
Jan 5, 2008
510/408, California
My car has an IAC issue and throws code for that every now and then, but the code isn't displayed right now. I cut into the harness and spliced it back together while installing my o2 housing. There were two black wires, a blue one, and a white one. I wired it back together (though not the best way, I'm going to get bud connectors this weekend) but I'm not sure if wiring up the two black identical wires wrong would have caused this. Also, the o2 sensor is snug inside the new housing, but not as tight as could be. I couldn't get an angle on it, I'm going to try with a crow's foot when I get to it. Any input would be helpful-thanks.

Oh, also, I'm open downpipe right now until I can get my catback welded up. The o2 sensor is still on the catback.
 
oh, come to think of it, my car did the same thing when i put on my greddy uicp and bov. since then i've put on an fmic, but it didn't do it after that so who knows.
 
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