What is the performance of electronic throttle failure?

What is the performance of electronic throttle failure? Electronic throttle fault performance: 1, the engine can't start or idle, the work is unstable, and the speed is unstable; 2. The engine speed is unchanged and cannot be controlled, and the fault indicator light is on; 3. The acceleration of the car is obviously slow; 4. The exhaust pipe makes abnormal noise. Methods to prevent electronic throttle failure: 1, daily cleaning and maintenance of throttle; 2. Clean the air filter in time; 3. Use high-quality engine oil. Electronic throttle is an important control part of automobile engine, which consists of engine, speed sensor and throttle. The electronic throttle control system can accurately control the throttle opening. @20 19