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Thread: Help rear o2 sensor won't come off

  1. #1
    G20 Newbie
    Join Date
    Feb 2010
    San Jose

    Help rear o2 sensor won't come off

    I'm trying to replace my rear o2 sensor and it will absolutely not come loose. I tried wd40, tried warming up the car for a few minutes, and i have a o2 socket as well. Anyone have any tips to how to loosen this o2 sensor? Please help. thanks.

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  3. #2
    G20 Member
    Join Date
    Jul 2011
    Syracuse NY
    heat the piss out of it with a torch.

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