Question

 The Purpose of a PCV Valve?

Answer The positive crankcase ventilation valve, PCV for short, is an "L"-shaped mechanical component found in vehicles that assists in returning gasses from the engine's crankcase, where gasoline is used.
http://www.ehow.com/facts_7595732_purpose-pcv-valve.html

Top Q&A For: The Purpose of a PCV Valve

What is the purpose of the hydrostatic valve and how do you release the pressure in it and does this valve need cleaning or other regular maintenance?

Answer A hydrostatic relief valve prevents your swimming pool from wanting to become a 'boat'. If the bottom of the pool is below the level of ground-water, and the pool is emptied, the pool would ... Read More »
http://wiki.answers.com/Q/What_is_the_purpose_of_the_hydrostatic_valve_and_how_do_you_r...

The Purpose of a PVC Valve?

The positive crankcase ventilation valve, or PCV valve, is an integral part of the exhaust system of modern engines. Its primary purpose is to send partially burned gases from the crankcase to the ... Read More »
http://www.ehow.com/facts_7166837_purpose-pvc-valve.html

Purpose of the EGR Valve?

According to the Smog Tips website the Exhaust Gas Recirculation (EGR) valve is designed to reduce the amount of dangerous gases emitted from an automobile engine through the exhaust.
http://www.ehow.com/facts_7370747_purpose-egr-valve.html

What is the purpose of a car PCV valve?

All modern engines use some sort of crankcase evacuation system. The PCV (positive crankcase ventilation) valve is the device that allows internal pressure to escape, without allowing the oil to fo... Read More »
http://www.answerbag.com/q_view/1864582


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