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Small amount of oil in throttle body


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As I continue to try and find the major stumble I am having, I pulled off the manifold cover and checked for leaking fuel injectors, there were none. What I did notice was a small amount of oil at the bottom of the throttle body? Also, at the bottom of the intake manifold there is a small canal like indentation running lenghtwise, this also had oil in it. Should I be concerned or is this normal?



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All of our intakes have oil in it due to the nature of the PCV system. It causes oil buildup and nasty black crap to build up in the intake .. I think it was discussed before that there's nothing to worry about from it. Just as long as it's not on the throttle body plate or around the edge of it (or inside diameter of the TB)

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