The shaking of the car when the sprinkler is cold started is a common problem in gasoline vehicles. Experts of special-powered steaming trucks of Cheng Li analyze the reason for the cold start of the sprinkler. The most fundamental reason for the cold start or the jitter phenomenon of the neutral waiting is that the combustion in the cylinder is not good. Burning is not good, the power provided by the car is not enough, and the car shakes. As an example of an image, assuming that the horse can pull the car with a force of 100 points, if only a force of 60 points is used, of course, it will not move and shake.
Low ignition energy The first problem the car faces during cold start is the low temperature. The temperature inside the sprinkler engine is not enough, and the temperature of the fuel and lubricant is not enough. Therefore, in the cold start, more fuel should be injected to meet the dynamic requirements. The larger the spark plug gap, the smaller the ignition energy. When the fuel atomization at a low temperature is not good, the fuel needs a higher ignition energy. When the vehicle is used for a long time, the ignition gap of the spark plug is likely to become large, which causes the ignition energy to drop, thereby affecting the dynamic performance and causing the vehicle to shake.
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