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Fresh oil in the PCV hose suggests a problem

Another definitive pcv valve test is to remove the vacuum hose and look for fresh oil. A PCV vacuum hose, with oil dripping or a wet valve, usually suggest too much flow, which causes oil consumption. Checking the PCV vacuum hose is a wise precaution, on any engine that consumes oil. Also, if you see blue smoke coming from tail pipe can mean many reasons, but the first step is to check the pcv valve. Basics First!

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