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List of contents of this article:

• 1,DigiPlus stock The engine roars loudly when accelerating
• 2, What if the car engine roars loudly?
• 3, The sound of the car engine is buzzing. What's the good solution?

The engine roars loudly when accelerating

Clean the throttle valve. As soon as the engine speeds up, the noise is particularly loud. If it is caused by dirty throttle valves, the noise can be improved by cleaning the throttle valve.Repair or replace spark plugs and ignition coils.

Excessive engine carbon accumulation: Excessive carbonization of the throttle valve will lead to louder engine sound.

When the engine is running, if it makes a dull sound like a clapping, it may be because there is a problem with the cylinder valve. In this case, if you drive the car very fast, the sound will disappear in the fast run. Therefore, the sound that will disappear once the express car is driven is likely to be due to the problem of the cylinder valve.

The exhaust system is faulty. The phenomenon is that the engine has a hissing sound, just like steam or air coming out of the engine. For example, when the intake and exhaust pipe leaks, as soon as the vehicle accelerates, the exhaust rate accelerates, and the vehicle will have a loud roar. The engine is out of order. There are more reasons for this.

The specific reasons are as follows: exhaust pipe leakage: When the intake and exhaust pipe leaks, the vehicle accelerates and the exhaust speed accelerates, and the vehicle will make a loud roar.

When the exhaust pipe leaks, if the vehicle accelerates, the exhaust speed will accelerate. At this time, the vehicle will make a loud roar. The throttle valve is blocked. When the car accelerates, the engine load begins to increase. At this time, the opening of the throttle valve must be increased and the amount of oil must be added.

What should I do if the car engine roars loudly?

Dealing method: Replace or reinforce the foot glue to make the grip between the engine and the frame better. Cold car start, the temperature did not rise, the engine lubrication effect was poor, and the oilIt is relatively sticky and has poor fluidity, which causes abnormal noise from friction between parts, which will also cause insufficient combustion and the engine to shake.

The solution to the loud noise of the car engine is as follows: the loud noise of the engine is related to the oil that is not suitable or too dirty. Change the oil and check whether the bearings of the generator, compressor, idler and tensioning wheel are damaged. After the bearing is damaged, it will make a metaphorical noise. You can make a cover and install a firewall with soundproofing. Cotton treatment.

There are two most fundamental reasons for the loud engine noise: when the engine valve accumulates too much carbon or the timing is adjusted incorrectly, the engine will have a "poof" sound. At this time, it is enough to clean up the valve carbon accumulation and adjust the gas timing.

What is the reason for the louder engine noise? When I stepped on the accelerator, I found that the acceleration was not obvious, lacked power, and the engine had a hysterical sound.It may occur when the engine is hot, or cold, or when there is a shortage of oil.

The roar of the engine when the car steps on the accelerator is very loud, which is caused by too much oil: if more oil is added, the instantaneous working resistance of the engine will increase, thus increasing the rotational resistance of the crankshaft and reducing the output power of the engine. In addition, excessive oil will break into the combustion chamber and participate in combustion.

The sound of the car engine is buzzing. What's the good solution?

1. The solution to the high engine noise: the car has been running for too long and the wear is too large, and the transmission system gap is too large to produce vibration and abnormal noise. Treatment method, carry out comprehensive maintenance or destruction; the engine foot mat screw loosens and vibrates and makes noise.

2. The belt is not elastic enough: the engine makes a squeaky sound at work. Leakage in the intake and exhaust pipe: At the intake and exhaust pipe, the gas will leak from the exhaust pipe and make noise. Poor fuel quality: causing violent vibration in the engine to make noise.

3. The throttle valve is dirty and blocked. When the car accelerates, the load of the engine begins to increase. At this time, the opening of the throttle valve should be increased and the amount of fuel should be increased. If the throttle valve opening is not opened to the optimal position due to dirty blockage, it will cause poor engine gas mixing ratio and make noise when accelerating.

4. In this case, it is necessary to check the oil in time and replace the better quality oil; the wheel bearing is a simple and important car part, which can make the wheel rotate freely. The broken wheel bearing should be replaced before it can be used, so as not to damage the car and cause harm to the car;Solution: Replace the wheel bearing.

5. The solution to the loud noise of the car engine is as follows: The high noise of the engine is related to the unsuitable or dirty oil. Change the oil and check whether the bearings of the generator, compressor, idlers and tensioners are damaged. After the bearings are damaged, they will make a metaphorical noise. You can make a cover, firewall plus Install soundproof cotton for treatment.

6. The DIY car maintenance program "Car Master" of "Fun and Rising Posture" is broadcast every Friday.