What's with the engine shaking badly?

First of all, from the cold start, the main reason for the body shake during cold start is insufficient fuel combustion, which leads to insufficient power of the car. The ignition energy is low, and more oil is needed to meet the power when starting, especially when the temperature of fuel and lubricating oil is low.

After a long time, the gap between the two poles of the spark plug gradually becomes larger, which leads to the reduction of ignition energy and poor fuel atomization, resulting in body jitter. In addition, the aging of ignition coil, aging of spark plug high voltage line or leakage will also lead to the decrease of ignition energy.

Aging or loosening of machine foot glue:

The so-called engine foot glue is the rubber block between the engine and the frame, which is used to reduce the vibration of the engine when working and fix the engine. Once the engine foot glue is aging or loose, the body and engine will become abnormal jitter. We only need to change the engine foot glue again, and the effect is immediate.

Although there are many kinds of vehicles, their structures are similar. This should be said to be the credit of standardization and the need of large-scale production line. With the development of society, the progress of science and technology and the change of demand, the appearance of railway vehicles has also begun to change, especially the passenger cars are no longer the same old faces. However, their basic structure has not changed obviously, but the specific parts have more scientific and advanced structural design.

Generally speaking, the basic structure of a vehicle consists of five parts: body, underframe, running gear, coupler buffer device and braking device.

The car body is the part of the vehicle carrying goods or passengers, and it is also the basis for installing and connecting other parts of the vehicle. The bodies of early vehicles were mostly wooden structures, supplemented by steel plates and bow bars. Modern automobile body is mainly steel structure or light metal structure.