What is the (02 Sensors) anyone know ?
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Last week My check engine light on, Found code for faulty 02 sensors, What is the 02 sensors do!!!! Any body has same problem before, I really curious. (02 Sensors Part Number is 078906265M)
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Depending on which one you have to get to they can be a PITA. Good luck<ul><li><a href="https://forums.audiworld.com/s4/msgs/1835543.phtml">https://forums.audiworld.com/s4/msgs/1835543.phtml</a</li></ul>
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