What happened to the black smoke from the exhaust pipe of the rotary drilling rig?
Check whether the leak valve pressure cylinder deposit or combustion chamber or carbon 5, check valve check check the ignition advance or deviation ratio consult step related service station for inspection on automobile exhaust smoke introduced hope you help the original wish you a car.
Lack of cylinder, cylinder, work or work to check the spark plug and ignition coil work, no change in the spark plug phenomenon, accompanied by hair shaking and force, foot relatively failure
Check the injector operation, see the nozzle atomizing effect, lead to pay attention to fuel quality
Check air intake is not enough, mainly empty, filter blockage, air flow meter, no damage, etc.
