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Thread: Why would there be oil in the intake manifold?

  1. #1
    Join Date
    Jan 2004
    Location
    Fogtown
    Posts
    656

    Default Why would there be oil in the intake manifold?

    Welp, today I decided to use some free time to clean my throttle body. To my dissapointment it was fairly clean. However, I discovered quete a bit of engine oil in the intake manifold (where the throttle body meets the manifold). It was in light brown color, similar to new engine oil color. This can't be good right?

  2. #2
    Join Date
    Dec 2003
    Location
    baton rouge, loserana
    Posts
    6,922

    Default

    normal, it's from the pcv system, the motor breaths a mist of oil from the valve cover, it's the reason for cleaning the throttle body
    all america wants is cold beer warm cat and a place to take a poop with a door on it

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