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Thread: Spark Plug Condition

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    Default Spark Plug Condition

    This is 1 spark plug of 3 and this is the middle one, which has carbon and other 2 are all okay
    Can anybody tell me what is the problem with it? any suggestions?
    See the spark plug condition in attached pictures

    Car: Cuore
    Model: 2007
    Spark Plug made: NGKSpark Plug Condition -1702809Spark Plug Condition -1702810Spark Plug Condition -1702811Spark Plug Condition -1702812Spark Plug Condition -1702813


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    Default

    there could be three reason behind it
    1)2 cylinder is losing compression
    2)or spark is weak in second cylinder
    3)spark plug itself is bad

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    Default

    Quote Originally Posted by saboor73 View Post
    there could be three reason behind it
    1)2 cylinder is losing compression
    2)or spark is weak in second cylinder
    3) spark it self is bad
    So what to do now?

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    Default

    The residue on plug looks oily to me. U have a cylinder oiling up problem.

  5. #5
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    Default

    check valve seals of this particular cylinder are dying @syncview - 1st check for engine compression, and replace valve seals of all 3 cylinder if 1 cylinder [ the bad spark plug ] differ on compression reading.
    - www.crackwheels.com - A skilled Dictator is much more beneficial to Country......than a Democracy of Ignorant people

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