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    PO 440

    Codes for 1998 Volvo v70

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    0  Views: 2008 Answers: 1 Posted: 11 years ago
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      1 Answer

      PO440= Canister purge (CP) valve, leakage
      Possible Source(s)
      Blocked EVAP canister.
      Blocked hoses.
      Defective canister purge (CP) valve (permanently open or closed).

      11 years ago. Rating: 5
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