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  1. The 9th Generation
    Hello, I have a 2013 Honda Accord EX-L 2.4 L 4 cylinder CVT with 162,000 miles on it. Recently I am getting the Check Engine/Malfunction Indicator Lamp light with the following code: P0139 HO2S S2 Slow Response I clear the code and it takes 2 days and it shows up again. What would be the best...
  2. The 7th Generation
    At 303k miles I had a check engine light and read code P0139: I cleared the codes, and after 3k more miles, I still had no check engine light. However, since I have >300k on the o2 sensor, I decided to change it anyway. It is a pretty simple exercise, but I included some pictures below...
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