Oil covering spark plug#1 from top end?

Discussion in 'Hyundai Accent' started by jsesock, Feb 13, 2021.

  1. jsesock

    jsesock

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    Got a 2006 Accent 1.6, automatic transmission, had an issue the other day with a misfire that started suddenly. P0303, misfire cylinder 3. Took a look for vacuum, intake, leaks, found none. Decided to pull each plug and look at them. All spark plugs definitely are rusted and showing signs of their age. Cylinder 1 was the surprise and issue, found the spark plug well pretty filled with oil after pulling the coil on boot off. The spark plug in number 1 was covered in oil from top to bottom. I can't tell if oil was leaking from the top or bottom? Spark plug in number 3 was not to concerning really, would the oil in number 1, be causing the misfire to 3? I think I found that the firing order is 1342? So that kinda makes sense to me, somebody said that two cylinders fire at once? Where should I start with finding the oil leak? Any suggestions, questions, or comments are welcomed, Thanks to all.
     
    jsesock, Feb 13, 2021
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  2. jsesock

    jsesock

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    It is most likely this oil came from valve cover gaskets? Or specifically the circle o-ring type gaskets around the spark plug well?? Can anyone provide confirmation and assurance of that being the issue more than likely?
     
    jsesock, Feb 16, 2021
    #2
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