secondary o2

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Nov 24, 2007

just get honda

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secondary o2

I have a 2002 honda civic with ex motor in a dx im also using an ex wire harness but do not have the secodary o2 sensor how do I wire secodary 02 sensor in so i can work

Nov 28, 2007

DriftR

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Re: secondary o2

I have the exact same issue. I did the same thing. Are you in limp mode because of not running the secondary o2? Mine was ok not running the primary 02 on my A1 setup but now with the swap, I'm not running either of them

Nov 29, 2007

FoSho

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Re: secondary o2

I'm confused....if you put a d17a2 engine & harness in, that will have a connector for the 2nd 02 sensor. All you have to do is buy it & plug it in. No wiring need? I'm confused?