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Thread: Defender puma 2.2 flat spot issue

  1. #1
    Join Date
    Sep 2021
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    Bega NSW
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    Defender puma 2.2 flat spot issue

    Hi

    Having some issues with a puma 2.2 engine at about 1200-1400 rpm when cold. It has a flat spot and and a small knock under load at low rpm.
    Once it gets to 1800 all good and when hot not a problem?
    Any help or advice appreciated.

  2. #2
    Join Date
    May 2003
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    On The Road
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    All diesels need heat to combust fuel,, hence glow plugs, when cold if the engine is not in as new condition having a cylinder miss is not uncommon.
    "How long since you've visited The Good Oil?"

    '93 V8 Rossi
    '97 to '07. sold.
    '01 V8 D2
    '06 to 10. written off.
    '03 4.6 V8 HSE D2a with Tornado ECM
    '10 to '21
    '16.5 RRS SDV8
    '21 to Infinity and Beyond!


    1988 Isuzu Bus. V10 15L NA Diesel
    Home is where you park it..

    [IMG][/IMG]

  3. #3
    Join Date
    Apr 2008
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    Brisbane,some of the time.
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    Where is Dazza when he is needed?

    Sounds like an injector to me,i would get it sorted as it shouldnt be doing it.
    Paul

    D2,D2,D2a,D4,'09 Defender 110(sons), all moved on.

    '56 S1,been in the family since...'56
    Comes out of hibernation every few months for a run

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