Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › Accord o2 sensor › Accord o2 sensor September 16, 2011 at 11:00 am #443076 rice400Participant Well If the o2 sensor was in fact bad, it might take a little while for the code to clear. If you have a code reader you can clear the code manually, or disconnect the neg battery cable for a few minutes and see if the code comes back..