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-   -   What could cause too much crank case pressure in a 7.3 diesel? (https://www.askmehelpdesk.com/showthread.php?t=598537)

  • Sep 23, 2011, 10:26 AM
    rayhunts
    What could cause too much crank case pressure in a 7.3 diesel?
    I have too much blow-by coming out of filler neck. But when you hold the RPM's around 2000, the blow by goes away and there's no pressure out of filler neck tube.

    Any ideas?
  • Sep 23, 2011, 09:40 PM
    chaosmaster1
    Maybe it's a clogged pcv valve?

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