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Thread: Defender puma 2.2 flat spot issue

  1. 29th September 2021, 11:45 AM #1
    Def75 Guest

    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.
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  2. 29th September 2021, 04:07 PM #2
    Pedro_The_Swift's Avatar
    Pedro_The_Swift
    Pedro_The_Swift is online now The MOD Father
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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?"

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  3. 30th September 2021, 07:36 AM #3
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    scarry
    scarry is offline Swaggie
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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.
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