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2006-11-19 12:09 Sonett72 352×288×8 (36062 bytes) Positive Crankcase Ventilation valve + connection to valve cover on 1977 Ford Taunus I-4 engine...
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en.wikipedia.org/wiki/File:Pcv-valve.jpg
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Positive Crankcase Ventilation System; During normal compression stroke, a small amount of gases in the combustion chamber escapes past the piston. EMISSION SUB SYSTEMS - Positive Crankcase Ventilation System; Page 1 © Toyota Motor Sales, U.S.A., Inc. All Rights Reserved.
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www.autoshop101.com/forms/h63.pdf
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The Positive Crankcase Ventilation (PCV) system reduces blowby emissions from the engine. About 20% of the total hydrocarbon (HC) emissions produced by a vehicle are blowby emissions from gases that get past the piston rings and enter the crankcase.
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www.aa1car.com/library/pcv.htm
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Technical Service Bulletin 94-2R1 Positive Crankcase Ventilation (PCV) Positive Crankcase Ventilation is a system that was developed to remove harmful vapors from the engine and to prevent those vapors from being expelled into the atmosphere.
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www.filtercouncil.org/techdata/tsbs/94-2R1.pdf
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An engine's combustion chamber does not have a perfect seal. At the time of ignition, some of the expanding gas leaks past the rings into the bottom (crankcase) of the engine. This gas contains oil and partially burned fuel that can pressur...
http://wiki.answers.com/Q/What_Is_Positive_Crankcase_Ve...
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We have your new Positive Crankcase Ventilation (PCV) parts in stock, and we send them out the same day you order them. So, you can get a great deal on your replacement Positive Crankcase Ventilation (PCV) parts delivered right to you without delay.
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www.autoanything.com/emissions-control/200A1606.aspx
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Positive Crankcase Ventilation (PCV) This is to reduce pressure of your upper valve area and reduce emissions. The vapours are drwn in to your air intake and burned off in combustion. If you overfill your oil, you will have more than normal vapour pressures and will drip more often.
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www.fennelfamily.com/gti-vr6/engine/PCV_leaking.html
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Typically located right at the exhaust manifold, your positive crankcase ventilation (PCV) valve is deigned to re-process still usable forms of fuel exhaust gases to extract more engine power and improve mileage.
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www.car-stuff.com/pcvvalve.htm
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PCV - Positive Crankcase Ventilation Valve Got a Car Repair Question? 2CarPros.com Professional Mechanics Online will answer it FREE. ... Answer: PCV means positive crankcase ventilation. This valve uses vacuum from the intake manifold to draw the fumes from the crankcase. Symptoms of a faulty PCV valve are poor idle...
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www.2carpros.com/topics/pcvvalve.htm
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