From Lake Ontario, the water from the Great Lakes flows through the St. Lawrence River all the way to the Atlantic Ocean, about 1,000 miles away. This system greatly affects our way of life, as well as all aspects of the natural environment, from weather and climate, to wildlife and habitat.
The PCV (positive crankcase ventilation) valve is a one-way valve that recycles crankcase gases back into the engine to burn. A plugged PCV valve can result in a rough idle and poor mileage. Worse, it can cause costly oil leaks. Always follow your manufacturerâs replacement recommendations.
A PCM or powertrain control module is different from an ECM or engine or electronic control module, even though most people believe the two are the same.Most modern or newer models only have a PCM, which controls all the engine functions, where the ECM only controlled certain parts of the engine.CM. The PCM is the main computer in the automobile that controls all the functions of the vehicle. Everything from the vehicle's timing to the proper flow of fuel into the fuel injection system is under the control of the PCM.