The throttle valve cleaned yesterday still won't catch fire this morning. Why?

The function of throttle is to control idle running and good acceleration performance. According to what you said, you should be able to rule out the problem of throttle. It is recommended to check whether the gasoline pressure is sufficient and whether the sensor works normally. If there is something wrong with the car, ask the car master. 4S shop professional technician, 10 minutes to solve.