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    P0131 trouble code, rough RPM - with video

    Hi there! Few weeks ago my dash showed the engine check light, so I went to a mechanic and he read the P0131 code on the OBD, which is "O2 Sensor Circuit Low Voltage Bank 1 Sensor 1" so he went ahead and replaced the ""faulty" sensor with a DENSO O2 sensor and erased the error. Two minutes...