What will happen if the accelerator of the car is broken?

Because the accelerator of the car is broken, the following situations will occur: 1, the engine idle speed is unstable, and the high idle speed will not continue to decline. At the same time, it is difficult to start the engine, especially during cold start. 2. The engine may be idling unsteadily or not at all. 3. The engine may be difficult to start. 4. Insufficient engine power leads to poor acceleration performance and unstable running state. 5. The automobile exhaust pipe may emit black smoke during operation, which will also increase fuel consumption.