Question about Cars & Trucks
Check your PCV valve and system. The Positive Crankcase Ventilation valve is designed to reduce vapors and pressure inside the crankcase from building up. This pressure is caused by blow-by of exhaust gases past the piston rings and into the crankcase. The PCV valve will remove this blow-by, unless the rings are so badly worn that they overwhelm the PCV system. The valve sucks out the vapors and a fresh air hose from the air filter housing to the top of the valve cover keeps normal atmopheric pressure in the crankcase.
Posted on Dec 04, 2012
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Posted on Jan 02, 2017
a fairly common problem on any of those high mile or abused 4.0liter engine either #1 your PCV ventilation tubes are plugged those are thos small black lines comming out of your valve cover or #2 your getting really bad blow by in your valves. 1 being easy to do and 2 not so easy!!
Posted on May 26, 2008
SOURCE: Blowing oil out the dipstick
Check the oil when the engine is cold. Make sure it's at the correct level.
The Positive Crack Valve (PCV) is partial blocked.
This is under $10 item. You should change it.
The location of the PCV is on the top (or near top) of the valve cover.
Replace it and the oil/smoke will reciculate back to the correct path (back to the valve cover).
Posted on Nov 02, 2009
i know a light on your dash can drive you crazy, but as long as you are sure the oil is showing on the correct place on the dipstick you should have no problem
Posted on Jan 10, 2011
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