2011 Nissan Sentra P0031 A/F-O2 Sensor Heater Circuit, Sensor Replaced Already Solved!!!

Описание к видео 2011 Nissan Sentra P0031 A/F-O2 Sensor Heater Circuit, Sensor Replaced Already Solved!!!

Short video on how a circuit issue can cause the problem. In the video I meant to say that that wire has power at all times when the key is on. Sometimes O2 sensor codes can be caused from aftermarket sensors, but if you've replaced it numerous times it could be faulty wiring or other electrical issues.

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