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I got the OBD2 code P0135 (Oxygen O2 Sensor Heater Circuit Malfunction Bank 1, Sensor 1) I reset the warning, have been driving for a few days, it has not come back on. Am I hurting the car by not getting the oxygen sensor checked/replaced?


what you are doing is

what you are doing is possibly making the car burn to rich or to lean which in turn could hurt your spark plugs thats it

Thanks... should I check my

Thanks... should I check my spark plugs? I've heard that running too rich makes the spark plugs black and sooty, and too lean makes them white or light grey?

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