Hyundai Sonata P Codes (Powertrain) P0400 - P0499 P0421

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P0401P0402P0421P0430P0449

    I Have One Confirmed P0421 Code And One Pending Code...

    2004 HYUNDAI SONATA
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    Asked by vish4369

    Code P0421

    2004 HYUNDAI SONATA
    1 ANSWER
    1 IMAGE
    Asked by Dartanian Benson
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