Question about Hyundai Sonata

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Jus changed oxegen sensor and now it has no check engine light but still wont pass smog

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  • Anonymous Mar 16, 2014

    no is to high when I try to pass smog

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Get a code reader on this and relate the numbers to the fault possibilities. Go from there and good luck...accordianman

Posted on Jul 29, 2008

  • d_winegar15
    d_winegar15 Feb 04, 2014

    it has been on the code reader once i replaced the 02sensor the lite went out but will not reset either

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