Hyundai Aftermarket - O2 sensor placement

Hyundai Aftermarket (https://www.hyundaiaftermarket.org/forum/)

- Engine, Intake, Exhaust (https://www.hyundaiaftermarket.org/forum/engine-intake-exhaust-11/)

- - O2 sensor placement (https://www.hyundaiaftermarket.org/forum/engine-intake-exhaust-11/o2-sensor-placement-70781/)

hemmylane52

10-15-2012 01:16 PM

O2 sensor placement

My exhaust system goes as: Headers, flex pipe, cat, to muffler

I have one O2 sensor in the headers and my second right before my flex pipe. Is that wrong? The second one is supposed to go after that cat right? Would my current setup affect my air to fuel ratio or anything?

faithofadragon

10-15-2012 01:18 PM

https://www.hyundaiaftermarket.org/f..._1#entry664189

hemmylane52

10-15-2012 04:50 PM

Quote:

Originally Posted by faithofadragon (Post 670671)

https://www.hyundaiaftermarket.org/f..._1#entry664189

Thanks. I'm gunna have to get some re-welding done then

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