02 sensor help!

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04-17-2014, 03:47 PM

azatabbasov

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02 sensor help!

So im having my CEL come up for an 02 sensor. What im gettin on the scanner is p2251- O2 bank 1 sensor 1 negative current circuit/open. Does that mean i need to replace my 02 sensor? If so, which one?

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04-17-2014, 04:52 PM

acrdr

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check your connection to the sensor
but its most likely the sensor
its bank 1 sensor 1 which is top sensor on the back cat
by the firewall

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04-18-2014, 03:57 PM

triax37

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I wrote a DIY guide for changing this sensor:
https://acurazine.com/forums/3g-tl-problems-fixes-114/e-130-diy-oxygen-o2-sensor-installation-rear-upstream-f-aka-p2251-811823/

A simple google search of "p2251 Acura TL" would have provided this for you...

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