Ariza 5 runs at a low speed.

Generally speaking, there are many reasons for jitter and frustration, such as throttle, spark plug, ignition coil, nozzle and so on.

If the accelerator is dirty, the vehicle will shake at idle speed, so it is not easy to hit the car.

Spark plug, if you feel frustrated, idling jitter and acceleration performance decline during driving, you should consider whether it is time to change the spark plug.