has anone ever needed the oxygn censor relpaced?
if the computer set a code for an O2 sensor(oxygen) and the vehicle is 1996 or newer, the code will let you know the one needing attention by listing it as a B1S1,B2S1 , and so on. So , depending on which one is faulty it might be easy , or a real pain to change. Oxygen sensors to wear out, get lazy , and have their heater circuits burn out or short out , so it is highly possible it needs replacing . If the van has high mileage , it is a good idea to replace the oxygen sensor
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