Why is the engine sound of Ruifeng car so loud?

Introduction Why is the engine sound of Ruifeng car so loud? Analysis of the specific reasons for the loud engine sound: 1. When I stepped on the accelerator, I found that the acceleration was not obvious, there was a lack of power, and the engine made a hysterical so

Why is the engine sound of Ruifeng car so loud?

Analysis of the specific reasons for the loud engine sound:

1. When I stepped on the accelerator, I found that the acceleration was not obvious, there was a lack of power, and the engine made a hysterical sound. The most likely times to occur are when the engine is hot or cold, or when it is low on oil. The causes of such problems can be divided into air filter, spark plug, ignition wire, gasoline, gasoline filter, carburetor, oil pump and other problems. Check whether the air filter is dirty, whether the spark plug is old and needs to be replaced, the ignition coil is broken, and the gasoline is not clean, such as water in the oil line. Also check the oil pump.

2. When driving, the acceleration is normal and the ignition may be normal. However, if you are driving at a constant speed, you find that the engine speed is too high but the speed still seems to be unable to increase. Try checking the coolant. The oil pressure is too high or too low. Check the oil pressure gauge. There may be a problem with the ignition time setting, which can also cause such symptoms. As for others, it may be an internal engine problem, such as a clogged EGR valve.

3. The engine makes a hissing sound, which is like steam or air coming out of the engine. Generally, after hearing this sound, the engine will quickly lose power. Possible problem, the engine is overheating, check the cooling system. The exhaust system is clogged, the vacuum pipe is leaking, or broken.

4. When accelerating, the engine will make a whirring sound, or it will also sound when decelerating. In short, the sound will change as the RPM changes. The possible reason is lack of power steering oil, fill it up. The generator bearings may be damaged. Problems with the power steering pump and water pump will produce similar noises.

5. A very loud noise comes from the exhaust pipe, which is very annoying. Sometimes a similar sound will come from the front section. The main problem is the exhaust system. Check whether the exhaust pipe is broken.

6. When the engine is revving, it makes a clicking sound, as if something is beating against metal. When accelerating or driving, you may not hear anything. It may be caused by the cylinder valve, which can be changed by adjusting the valve. Lack of engine oil. Lack of engine oil may also cause similar problems. In addition, the engine oil pressure is relatively low. Check the engine oil pressure.

7. When you step on the accelerator pedal, you will hear a banging sound coming out of the exhaust pipe. The sound may not be very loud, and the car will not drive abnormally, and the fuel consumption will increase. It is recommended to check the muffler and exhaust pipe for damage.

8. The engine has a kicking sound, like the sound of a pencil hitting the table. The sound increases when the engine speed increases. The possible cause is that there is dirt inside the engine. It is recommended to change the oil, filter and clean the engine. Others may be a valve problem.

9. There may be no rattling sound while driving. It is recommended to check the ignition time setting. The engine may be overheated, the engine may have carbon deposits, and the oil quality may be poor. A higher grade of oil may be required.

10. Sharp noises, similar to squeaking, especially when the air conditioner is on, the weather is cooler, and it is more obvious when slowing down. Possible reasons are that the driving belt is slipping and the driving direction is too much, reaching the limit. The belt is too loose, tighten the beltIt can be solved.

11. When driving at low speed, or when refueling, there will be sounds like krona and krona, especially when the weather is cooler.

Hello, the diesel generator leaks oil because the vacuum booster pump of the diesel vehicle is behind the generator, which is lubricated by engine oil. The engine oil is running inside, and the oil seal is broken. If you need to replace the alternator, for your reference, if there is a problem with the car, ask the car master. Professional technicians from 4S stores can solve the problem in 10 minutes.

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