Clogged crankcase ventilation systems often are overlooked causes of engine oil leaks. Savvy service personnel keep these systems at the top of their mental checklists for solving oil leaks. I'll ...

A car smelling like burning oil is usually caused by oil leaking onto hot engine parts (like the exhaust manifold) or internal engine failure. Common causes include failed valve cover gaskets, worn ...

The PCV valve (positive crankcase ventilation valve) is a vital part of the emissions controlsystem on most vehicles. Not every vehicle has a PCV valve, but most do. If yours has one, and if your ...