You've probably heard about the choke valve in your car engine's carburetor, but what does this seemingly essential component ...

What is variable valve lift? What is variable valve timing? We're going to look at the valvtrain from a 2009 Audi 2.0L I4 ...

The positive crankcase ventilation valve releases exhaust gas and unburned fuel from the engine block into the intake manifold. All engines allow some exhaust gases, unburned fuel and oil to ...

In the charcoal canister, the purge valve is the opening that releases fuel vapors that were absorbed by the charcoal back into the engine for combustion. A failed purge valve is one of many ...

The global automotive proportioning valve market is projected to experience robust growth over the next decade, with a ...