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smoke crankcase pressure

  1. 01-04.5 LB7 Duramax Powertrain
    :help Excessive pressure from the oil filler cap and pcv tube, enough to blow the cap off if I loosen it, and purplish/grey smoke, the kind that makes me want to fill the side of the truck full of chevron stickers and the box full of dead fish and birds. I look like such a planet killer when I...
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