Fault P 1644
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Thread: Fault P 1644

  1. #1
    Member
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    Jul 2013
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    Hobart
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    Default Fault P 1644

    After plugging in the Lexia on the 307 hdi, there are many faults that are P1644 and P1645 which translates as
    PSA OBD Error Code Details for P1644
    Fuel pump speed control circuit malfunction

    and

    PSA OBD Error Code Details for P1645


    Fuel pump resistor switch circuit malfunction

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    from Peugeot P1644 OBD/DLC Error Code -



    Does this mean the fuel pump is on the way out or could it be a fuel filter needing replacement (it's overdue) ?

  2. #2
    Fellow Frogger! young 4 old pug's Avatar
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    Jan 2005
    Location
    Melbourne NSW
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    813

    Default

    Gonna need a bit more info. What engine do you have for starters?
    Current stash
    too many.

    Passed over stash
    lots.

  3. #3
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    Jul 2013
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    Default

    It is a 1.6 l, 110hp.
    It hasn't affected performance or economy, still drives faultlessly.

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