Bus 1234 can be refueled, but 56 can't be refueled. What happened?

1, first of all. When the acceleration of the car is weak, it is often accompanied by the occurrence of tremor when the engine is crisp, and sometimes there are shooting and black smoke. The main reasons involve many aspects; It is caused by the failure of oil supply system, gas supply system, exhaust system, ignition system, engine machinery, clutch and gearbox.

2. second. Automobile engine is a device that provides power for automobile, which determines the power, economy, stability and environmental protection of automobile. According to different power sources, automobile engines can be divided into diesel engine, gasoline engine, electric vehicle motor and hybrid power.

3. finally. The reason why the car can't accelerate because of the carbon deposit in the engine is the carbon deposit in the throttle, idle motor, intake and combustion chamber, spark plug and other parts. If it is serious, there will be a ceasefire event when the car is idling. When the car is driving on a congested road for a long time, it will need to accelerate and decelerate for a while, which will also cause the car to feel weak when driving again. The above is the reason why the bus 1234 can refuel, and the 56th refueling fails.