Volvo AWD S70 Forum

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02 sensor S70 1998

Hi Everyone

Can anybody tell me how I would know if my 02 sensor was going bad
seems like I am using alot of gas lately








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    02 sensor S70 1998

    You can do few things. One to get your ECM codes read. If there are no codes perhaps you need to get new spark plugs?
    --
    00 S70 GLT SE








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      02 sensor S70 1998


      A bad O2 would cause your check engine light to come on, period. No such thing as a "code" for an O2 sensor "going bad".








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        02 sensor S70 1998

        Thank You KC







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