车辆启动注意事项(外国英文资料).docVIP

车辆启动注意事项(国外英文资料) It is harmful to walk in a car I wonder if you notice: we usually can be found in launch vehicle, tachometer pointer will instantly at idle speed than normal more than twice as high as the location of the (automatic transmission car is more apparent. This is when the car ignition, modern cars on the computer automatic control module (commonly known as the ECU) in the fuel injection system to spray more fuel in the cylinder, to increase the speed of the engine, so that in the cold state can be heated up fast. As for the cold car speed up to what extent, depends on each car of the external environment temperature and the setting of ECU, not every car is the same speed value. The engine tachometer pointer is too high for a short period of time, and it is perfectly normal not to worry. In fact, this is the vehicle that is telling you that the engine is still in the process of heating up and it takes time. After a long period of parking (for example, overnight), the engines oil has returned to the bottom of the tank. The upper half is without oil and is in a dry grinding condition without lubrication. About 30 seconds after the launch, the oil pump will be transported to the piston, connecting rod, crankshaft, etc. Under normal circumstances, cold car engine speed start a minute will have obvious drop, so, if you dont even willing to this short one minute, such as oil feet away. That is undoubtedly exacerbating the wear and tear of engine parts, which may not cause serious problems in a short period of time, but in the long run it will make the engine live. In addition, the engine before failed to reach normal operating temperature (about 90 ~ 110 degrees Celsius), the oil supply system because the temperature is low, unable to effectively gasification gas completely. If the step on the gas in driving directly, easy to cause some fuel internal cause cannot quickly atomization combustion in cylinder, and attached to the throttle, or around the piston cyl