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Intake manifold has grime...

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    #1

    Intake manifold has grime...

    Well, there is a thin layer of grime in my intake pipe and intake manifold/tb. It smelled more like oil than anything else, but it also kind of lacked any smell at all. It was pretty much just black, clumpy, and viscous.

    Anyone know what this might be from? A symptom of something very wrong, or does it have something to do with vacuum leaks/exhaust gas recirculation clogging?

    Thanks.
    Tags: None
    #2
    Is it coming from the hose leading from the valve cover to the intake pipe? Maybe a pcv valve issue, mine did that before and all of a sudden it stoped after i changed the valve.

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      #3
      Originally posted by 93accordlx93 View Post
      Is it coming from the hose leading from the valve cover to the intake pipe? Maybe a pcv valve issue, mine did that before and all of a sudden it stoped after i changed the valve.
      That may be where it was coming from, because when I pulled the intake pipe, the hose was covered in the thin layer of oily gunk as well.

      I'll look into checking out the PCV, I'm downloading a service manual right now but its taking forever.

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        #4
        time to make a diy catch can.
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          #5
          There was a guy around where i live before and he put a diy in-line filter on that hose and the pcv hose. I think i remember him makeing it from a clear tube and some kind of wierd looking filter material. Cant remember exactly what he used but it worked for him, might wanna try and find a in-line filter too, could work also.

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            #6
            Originally posted by tommi View Post
            time to make a diy catch can.
            Is this something I could find out how to do in the DIY section?

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              #7
              yes
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