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.
PCM (Power Train Control Module). The powertrain or engine control module is a powerful computer that manages the engineâs ignition, fuel injection, and emission systems. In some vehicles, it may also control the operation of the automatic transmission and the anti-lock brake system. Symptoms of Wear or Failure. A PCM can be mistakenly replaced when there was actually a defective engine sensor that was overlooked in the initial diagnosis. 2  The terms PCM and ECM/U (engine control module/unit) are commonly used interchangeably.