Howe natural gas truck is buzzing with gas.

The hum of Hao natural gas vehicle during refueling may be caused by the following reasons:

If it is on the right side of the engine, there may be a problem with the belt of the generator, the throttle, or the vibration phenomenon caused by the bracket or other parts of the engine; It is also possible that the exhaust pipe is broken.

Note: * * * vibration causes the car to hum when stepping on the accelerator, which generally happens when the torque is insufficient, especially when starting with low torque. You can increase the speed by stepping on the accelerator properly, and then cancel the semi-linkage start, but this will also increase fuel consumption.