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  • Re: Spark Plug Color

    by » 4 years ago


    Arnaldo Pessina : First: This  yellowish color represent water contents/droplet in fuel, when burnt, the result shown on spark plug.Fuel quality is not up to standard. -OR-

    as far, you are already not using Declain TCP. 

    Second: This yellowish color may result of water discharge (droplet) in combustion chamber from crankcase any other coolant water areas . Humid environments where your aircraft being uses.

     


  • Re: Spark Plug Color

    by » 4 years ago


    姓, xìng wang wrote:

    Arnaldo Pessina : First: This  yellowish color represent water contents/droplet in fuel, when burnt, the result shown on spark plug.Fuel quality is not up to standard. -OR-

    as far, you are already not using Declain TCP. 

    Second: This yellowish color may result of water discharge (droplet) in combustion chamber from crankcase any other coolant water areas . Humid environments where your aircraft being uses.

     

     "Stay at Home" one evening, "Hope" the next.


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