For specific examples of abnormal engine noise, you can look at the following situations:
The engine is the most important part of the car. There is a saying that “the engine is the heart of the car. car." When the engine parts are loose due to wear or poor repair quality or improper adjustment, and the corresponding clearance is destroyed, an abnormal sound will also be emitted. There are many types of noises when there is a problem with the engine Generally, the most common are problems with the air filter, spark plug, ignition coil, carburetor, oil pump, etc. Specifically, you can refer to the following solutions when you hear the following sounds:
1. The engine makes a whistling noise, which sounds like steam or air coming out of the engine Usually after. Having heard this sound, the engine will quickly lose power.>
Possible reasons: Engine is overheating, check cooling system. The exhaust system may be clogged or the vacuum tube may be leaking or broken.
2. When accelerating, the engine will make a whirring sound, or it will also appear when decelerating.
Possible reasons: lack of power steering oil, possible damage to the generator bearings, problems with the power steering pump and water pump, which will produce similar noises.
3. When the engine is idling, it makes a clicking sound, as if something is hitting metal. You may not hear it when you accelerate or drive.
Possible reasons: This may be caused by the cylinder valve, which can be changed by adjusting the valve. Lack of engine oil can also cause similar problems and engine oil pressure is relatively low.
4. The motor sounds like a pencilhitting the table. As the engine speed increases, the sound increases.
Possible reasons: There is dirt inside the engine. It is recommended to replace the engine oil, engine filter and clean the engine. Others may be a valve problem.
5. There may be no problem while driving, but there will be a clicking sound when accelerating.
Possible reasons: It is recommended to check the ignition device. The engine may be overheated, the engine may have carbon deposits, and the oil quality is not good. A higher grade of oil should be added.