Some famous fictional characters with INFP personalities include: 1  Calvin, Calvin and Hobbes. 2  Anne, Anne of Green Gables. 3  Fox Mulder, The X-Files. 4  Wesley Crusher, Star Trek: The Next Generation.
Besides, the PCV valve also helps keeping the oil and the engine in proper shape extending their life as well. Also, its mechanism is very important for preventing the appearance of engine corrosion as well as it helps improving fuel economy. The PCV valve routes crankcase partially burned gases back to the engine.
Not every vehicle has a PCV (positive crankcase ventilation) valve. If yours has one, and your engine has been idling roughly or a malfunction indicator light goes on, check the PCV valve to make sure that it isnât clogged with sludge from the contaminants in the exhaust fumes or stuck in the wide-open position.