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What is the name of the short (about 6 inch) hose that is located on the left side of the valve cover and runs to a cylindrical object on the same side

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Steve Allison

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Your description sounds a lot like a PCV (Positive Crankcase Ventilation) installation.

These draw fumes that originate inside of the engine from hot oil and piston blowby and send them through the intake system to be consumed along with the fuel charge.
Those fumes were once vented into open air but most agree those were not all that good to breath so they are now polished off by running them through the engine and catalytic convertor.

Posted on Aug 10, 2008


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