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22/06/2021 9:49 pm
Topic starter
Hello everyone
I bought a Toyota corolla 2006 70k mileage six months ago.
I have check engine light with code P0031.
I found in the history of the car that the oxygen sensor was replaced by previous owner and passed emissions .
help please
1 Answer
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22/06/2021 9:58 pm
See below for troubleshooting: also, if OEM sensor was not installed that can do it too.
https://www.obd-codes.com/p0031
https://garatos.com/p0031-code/
