Oil in intake ports 6th gen.

Discussion in 'Mechanics Garage' started by Fantastic!, Sep 29, 2013.

  1. Fantastic!

    Fantastic! New Member

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    What will cause oil to get into the intake ports and really gunk it up? There is only 1 dirty piston, #4 all the rest look fine.

    clean port
    [​IMG]

    Dirty port
    [​IMG]
     


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  2. kennybobby

    kennybobby New Member

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    Heart of Dixie Georgia Boys mighta been usin' dat
    Map
    Lack of or damaged/dirty/full PCV, positive crankcase ventilation, valve or filter upstream of the valve, but i haven't checked the FSM for it's location or existence...
     


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  3. Fantastic!

    Fantastic! New Member

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    I have been looking through the FSM for a while trying to find just that. Can't seem to find it. Any help would be greatly appreciated.
     


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