What are the symptoms of a faulty ignition coil in a sedan?

[LaAdalynn]

Damaged symptoms include weak acceleration accompanied by shaking. Here is relevant information: 1. Precautions: Avoid exposing the ignition coil to moisture or excessive heat. Do not turn on the ignition switch when the engine is not running. Regularly inspect and clean the ignition coil to prevent short circuits. There is no fixed replacement interval for the car's ignition coil—it does not need replacement as long as it functions properly. Generally, its service life exceeds 100,000 kilometers. 2. Working Principle: The car's ignition coil, commonly known as the high-voltage coil, is one of the core components of a gasoline engine's ignition system. For the air-fuel mixture in the engine cylinder to ignite, ignition energy is required, and the ignition coil serves as the medium to provide this energy, ultimately completing the ignition process through the spark plug.