Mitsubishi Lancer P Codes (Powertrain) P0400 - P0499 P0421

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P0420P0421

    P0421 Code Please Help?

    2005 MITSUBISHI LANCER
    2 ANSWERS
    Asked by wangnnfnn

    Reset The Codes And Now PO421 Has Come Back. What Is...

    2002 MITSUBISHI LANCER
    1 ANSWER
    Asked by RACHELLE

    2003 Mitsubishi Lancer OBD II Scan Code Po421

    2003 MITSUBISHI LANCER
    1 ANSWER
    Asked by madhur4
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