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Dodge Ram 02 Sensor

Discussion in 'Ram Trucks' started by Sierrabarry, Feb 14, 2010.

  1. Sierrabarry

    Sierrabarry Junior Member
    Messages: 23


    My 2000 Ram threw code P0138. I looked this code up and the Bank 1 Sensor 2 needs to be replaced. I could only find an O2 sensor in the front of the cat. converter and 1 behind it. Should I assume the rear O2 sensor is bad? Are there any tricks to getting these out? I have the sensor soaking in penetrating oil as we speak.


  2. sno commander

    sno commander PlowSite.com Addict
    from ct
    Messages: 1,063

    i use a grinder or a hammer and break the top of the sensor off and just use a breaker bar to break them loose. if not use a torch if you have the clearance.
  3. Laszlo Almasi

    Laszlo Almasi Senior Member
    Messages: 326

    Once the exhaust cools down, heat the bung with a propane torch to expand it then it should loosen right out.
  4. Sierrabarry

    Sierrabarry Junior Member
    Messages: 23

    Done. Sprayed it with PB Blaster for a few days to let it soak in real good and then 30 seconds with the torch and she spun right out. Thanks guys!