General Studies · Engine Auxiliary Systems
What is the primary function of a Positive Crankcase Ventilation (PCV) system in an internal combustion engine?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To vent and recirculate blow-by gases from the crankcase into the intake✓
- 2To remove particulate matter from the air filter
- 3To supply fresh oxygen directly to the spark plug
- 4To filter the engine oil entering the sump
Correct answer
To vent and recirculate blow-by gases from the crankcase into the intake
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