正常的机油压力是发动机安全运行的关键因素之一,因此在汽车上均装有机油压力过低警告灯,其作用是当机油压力过低时及时向驾驶人报警。但是,有的驾驶人在驾车时没有看仪表盘的习惯,有时也由于仪表盘上的光线很亮,所以驾驶人不能及时察觉灯光信号,当感觉到汽车明显异常而停车时却为时已晚,发动机 Normal oil pressure is one of the key factors in the safe operation of the engine. Therefore, the warning light with low oil pressure is installed on the vehicle to alert the driver in time when the oil pressure is too low. However, some drivers do not have the habit of looking at the dashboard while driving, and sometimes the driver can not detect the light signal due to the bright light on the dashboard. It is too late when the vehicle is obviously abnormal and stops ,engine