What are the reasons for the loud humming sound when accelerating?
1 Answers
The reasons for the loud humming sound when accelerating are: 1. The engine components are not fully lubricated by the oil; 2. If this phenomenon persists after some time, it may indicate severe wear of engine components, requiring internal engine cleaning to reduce wear gaps; 3. Large gaps and poor sealing can worsen the engine condition and may also lead to abnormal noises—it is recommended to have it checked at a repair shop; 4. It may be caused by excessive carbon buildup in the engine, which can be cleaned at a repair shop; 5. It could also be due to poor filtration, commonly caused by a dirty air filter—it can be cleaned or replaced at a repair shop; 6. The use of low-purity gasoline can also cause this phenomenon, as impure gasoline tends to form carbon deposits inside the engine.