The weakness of the vehicle is also related to the spark plug

When the use time of spark plugs reaches the life cycle, acceleration when driving will feel a little weak, and at the same time, it will feel that the engine is shaking, and the fuel consumption will also appear abnormal fuel consumption. In this case, you can also check whether there is a problem with the spark plug. It is best to replace it. Of course, replacement of spark plugs is recommended to replace it in a professional 4S shop, especially the vehicle has just drove to the 4S shop. The old spark plugs are still in a high temperature state. Do not touch it with your hands, otherwise it is easy to cause burns.