How to repair the accelerator of the four-dimensional x3?

The four-dimensional x3 valve did not respond because of the following points: 1. Ignition system and electronic fuel injection system are out of order; 2. The accelerator pedal sensor is faulty; 3. Brake priority system. Throttle is a control device to control engine power. Precautions for stepping on the accelerator are as follows: 1. When stepping on the accelerator pedal, be gentle and gentle; 2. Loosening the clutch should be closely coordinated with stepping on the accelerator, and the action is agile; 3. Choose a suitable gear to make the engine run at medium speed and large throttle most of the time to save fuel; 4. The car should loosen the accelerator pedal before driving and flameout, and can't slam on the accelerator.