When the speed of Sharp is 80 yards per hour, slowly fill the throttle and the speed will not go up.

There is something wrong with the accelerator pedal.

It may also be that the oil circuit is blocked. First check whether the steam filter is blocked, whether the pump pressure of the gasoline pump is sufficient, and whether the fuel nozzle is blocked.

It is also possible that the exhaust system is blocked. Check whether the three-way catalyst and the whole exhaust pipe are blocked.

There may be too much carbon deposit in the throttle, and the idle position sensor and air flowmeter are damaged.

Because when you step on the accelerator, the cable will drive the accelerator, that is, the accelerator. There is a position sensor on the throttle. The control unit knows the throttle opening according to the signal of the throttle position sensor, then calculates the corresponding signal voltage, and finally calculates the fuel injection quantity of the vehicle according to the signal pressure.