PCV Valve: A valve usually located in the rocker cover that vents crankcase vapours back into the engine cylinder to be reburnt. Related posts: Diagnostic socket AT8091 Manufacturing of Automotive Components Syllabus Backfire Brake valve Cylinder head Cylinder block Oilpan Multi-Point Fuel Injection (MPFI) Main bearings Wheel cylinder or Slave cylinder Crankcase Butterfly Valve Naturally aspirated engine Oil galleries Master cylinder Overhead camshaft Heat gasket Cylinder Choke AT8601 Automotive Engine Components Design Syllabus Read more articles Previous PostOversquare engine Next PostParticulates