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When the car has run about 240,000 kilometers, it is necessary to start cleaning the carbon deposits on the engine, because most of the engines are scrapped in the end because of the carbon deposits caused by the carbon deposits.
It can be said that it is a more common cause of engine failure. If you want to clean up the carbon deposit correctly, you can directly add the cleaning agent to the fuel tank, or you can use a hanging bottle to clean it, or you can remove it and clean it directly. <>
1. How many kilometers the car runs should be cleaned up of carbon deposits
Under normal circumstances, the car should be cleaned once when it runs about 2 40,000 kilometers, which is relatively reasonable, but it cannot be cleaned too often. If there is a large amount of carbon deposits on the engine of the car, the car will shake violently during the driving process or the engine is running, so the driver should know the creatinine at this time.
It's time to clean up. And when the total number of vehicles traveled reaches about 240,000 kilometers, you will find that the eggs in the engine have accumulated more, which is very easy to cause adverse reactions to the vehicle at this time.
It is necessary to clean up in time. <>
2. How to clean up properly
For the carbon deposits on the engine, the main way to information is to add detergent hanging bottle cleaning, as well as disassembly and cleaning. The method of adding cleaning agent is relatively simple, directly put the purchased cleaning agent into the fuel tank and mix it with the fuel, when the vehicle starts, the cleaning agent will also go to the combustion chamber of the vehicle with the oil, and then the carbon deposits on the engine can be cleaned by the way. Hanging bottle cleaning is a common no-dismantling cleaning for people, which is also a 4S store.
A highly recommended way to clean the engine is to drop the cleaning agent into the engine's air pipe by hanging the bottle, and then enter the engine's combustion chamber with the air flow, which can also clean the engine. There is also the quickest way, which is to remove the carbon deposit on the engine directly and clean it, this cleaning method is the most effective, but the workload is relatively large, more time-consuming and labor-intensive, and the general 4S shop will not do this. <>
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Effects of excessive carbon deposition in the combustion chamber:
1. The engine combustion chamber is the worst place in the working environment of the car, which is under high temperature and high pressure for a long time. Inevitably, carbon deposits also occur here, mainly from the pyrolysis of incompletely burned fuel. The carbon particles here are hard and pot-shaped, and in severe cases, they are honeycomb and have a certain thickness;
2. The carbon deposition here will affect the intake vortex, hinder the rate of flame propagation, and lead to a decrease in power, which will lead to engine knocking (commonly known as cylinder knocking), and even excessive pressure leading to combustion chamber breakdown;
3. Slight carbon deposition does not have much to do with it, but carbon deposition in the combustion chamber is an accumulation process from slow to fast.
Generally, the commonly used methods are: dismantling and washing, hanging bottle cleaning, and fuel additives.
1. Dismantle and wash. This method is very direct and rude, but it is generally sent to the 4S store for disassembly, the disassembly of the engine is more complicated, no matter what parts will affect its performance more or less every time it is disassembled, you need to ask a professional master to disassemble. The carbon deposits in the engine can be seen directly when dismantled and washed, and the cleaning will be relatively clean.
However, the cost will be relatively high, and it will also require technology.
2. Hanging bottle cleaning.
This method is also relatively common, the hanging bottle is to discharge the cleaning agent into the air intake, dilute and soften the carbon deposit to turn it into a slurry, and then burn it from the cylinder to discharge. Generally, the cleaning objects include the intake tract, throttle, intake valve, fuel injector, cylinder inside, etc., but the effect is not as direct and obvious as dismantling and washing.
3. Fuel additives.
One of the causes of carbon deposition is that the fuel burns insufficiently, which adheres to various parts of the engine and forms carbon deposits over time. The main function of additives is to drill into the pores of carbon deposits with the help of strong surface activity, destroy their structure, and gradually dissolve these carbon particles from the metal surface, and then discharge them through exhaust gas after burning with fuel at high temperatures. Effective fuel additives such as PNF stock solution are not corrosive, can clean the whole oil circuit, fuel tank impurities, fuel tank moisture, high-pressure oil pump, built-in gasoline filter, fuel injector, piston top, intake valve, exhaust valve, will not clog ternary, and the safety is relatively high.
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More than 30,000 kilometers should be cleaned, you can use some cleaning agents to clean up, you can go to the 4S shop, go to some professional maintenance places to clean up.
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The carbon deposits should be cleaned up at 5 km. Be sure to use some tools to wipe the charcoal off when cleaning up, and then you can also use some hair dryers to blow off all the dust around you.
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When it is about 40,000 kilometers, it needs to be cleaned, you can go to the 4S store to clean up, and you need to use professional instruments to clean up.
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After the car has traveled 20,000 kilometers, it has to clean up the carbon deposit. The specific way is to add fuel treasure with the function of cleaning carbon deposits, and there is also to go to a professional 4S shop to clean up.
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Generally speaking, when the car travels 60,000 kilometers, it needs to clean up the carbon deposits. At this time, we can choose to use something with cleaning effect to clean it up by ourselves, or we can go to a professional 4S store to clean it.
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How many kilometers should the car clean up after it has run? How do I clean it up? This is a mistake in philosophy, not how many kilometers the car runs should be cleaned, in fact, as long as the car engine is running, carbon deposits will continue to be generated, so don't wait for carbon deposits to be generated before cleaning up!
We should find ways to reduce the generation of carbon deposits!
The main reasons for the formation of carbon deposits in engines:
1. Solid carbides will be produced when the fuel is not completely combusted.
There are some working conditions of incomplete combustion during fuel combustion, especially when cold driving, large load, and high rotation operation, which may lead to incomplete combustion, and more carbide is produced at this time.
2. The impurities (colloids) in gasoline will produce carbon deposits after combustion.
The colloids and some impurities in gasoline will produce solid carbides after combustion, and these solid carbides will become extremely hard and adhere to the combustion chamber after long-term deposition and high-temperature calcination.
3. After the oil is consumed, it will participate in combustion to produce carbon deposits.
The oil will inevitably be consumed, and the oil will burn when it exceeds the flash point at high temperatures, and the combustion produces solid and viscous impurities attached to the combustion chamber.
The recommended mileage for the car to clean up carbon deposits under normal conditions.
Generally, it is advisable for cars to carry out carbon deposition without dismantling every 4-60,000 kilometers, whether it is physical dismantling to remove carbon deposits or additives to remove carbon deposits, it may have an impact on the engine.
Dismantling the engine is the most thorough in removing carbon deposits, but it has the greatest impact.
After the engine is disassembled, the assembly process such as the combustion chamber piston ring, cylinder liner and sealing are difficult to compare with the original assembly process, resulting in a decrease in engine performance. Fuel additives remove carbon deposits that have the potential to have an impact on next-level systems.
When the engine generates a large amount of carbon deposits that need to be cleaned, whether it is hanging bottles or using additives to clean up, the cleaned carbon deposits follow the combustion process, which may have an impact on the next level of the system, such as causing the three-way catalytic converter to clog.
Continued use of additives in small doses reduces solid-state carbon coagulation and formation.
Of course, when choosing additives, you must choose the right additives according to your engine type (direct injection or intake manifold injection), choose PEA for direct injection, and choose PIBA for intake manifold injection
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When the car travels 20,000 kilometers, it is necessary to clean up the carbon deposits in time. First of all, drive the car to the 4S shop, and then ask the staff to help clean this up.
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Take Honda's Earth Dream as an example, every 10,000 kilometers to clean up carbon deposits, and add carbon deposit cleaning fluid to the fuel tank mouth.
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It is best to clean the cars driving in the city once every 2-30,000 kilometers, and the cars driving on the highway once every 3-40,000 kilometers.
Carbon deposition includes two concepts:
1. One concept is the carbon deposition of the engine: a coke-like substance produced by the unsaturated olefins and gum in the fuel at high temperature during the working process of the engine.
2. The second concept is carbon deposition in EDM, which should be avoided as much as possible in EDM, especially in precision mold processing.
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Carbon deposition is the most common "chronic disease" in the engine, and it exists in all parts of the engine. Of course, I believe that when you go to the 4S store for maintenance, you have also been recommended by its after-sales reception for the cleaning project of engine carbon deposits. Many friends who don't know much about cars may not know how often the engine carbon deposits should be cleaned, and how the carbon deposits are cleaned.
So let's take you to find out.
How often is the engine carbon cleaned?
In fact, engine carbon deposits do not need to be cleaned frequently, and it is generally a reasonable frequency to clean every 2-40,000 kilometers.
Normally, we only need to clean the engine carbon deposits when there are adverse reactions caused by carbon accumulation such as idle speed shake in the engine. Of course, under normal circumstances, when the vehicle travels 2-40,000 kilometers, the carbon deposits inside the engine have basically formed a certain degree of accumulation, so if you don't know much about the adverse reactions caused by carbon accumulation, it is accurate to clean the frequency every 2-40,000 kilometers.
How do you clean up carbon deposits in a car?
At present, there are three mainstream removal methods for engine carbon deposition: additive cleaning, hanging bottle cleaning and disassembly cleaning.
Additive cleaning (fuel treasure): additive cleaning is to directly fill the cleaning agent into the fuel tank and mix with the fuel, after the vehicle starts, the cleaning agent will enter the combustion chamber with the fuel, and the cleaning agent will enter the combustion chamber at the same time, the carbon deposits inside the engine will be cleaned to a certain extent.
Hanging bottle cleaning: Hanging bottle cleaning is what we usually call no-dismantling cleaning, which is also a cleaning method promoted by 4S stores. In this method, the cleaning agent is sucked into the engine combustion chamber in the form of a hanging bottle from the engine intake duct along with the intake air flow, and in this process, the cleaning agent cleans the carbon deposits in the engine intake duct and combustion chamber.
Disassembly and cleaning: As the name suggests, disassembly and cleaning is to disassemble and clean the parts of the engine that have carbon deposits. Although this method has the best cleaning effect, due to the heavy workload, time-consuming and labor-intensive, generally 4S stores will not provide dismantling and washing services.
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"The car should clean up the carbon deposits after how many kilometers it has run" is actually a misconception, as long as your engine starts, the car will produce carbon deposits, so no matter how many kilometers you drive, you need to clean up the carbon deposits. If you have to say that you have to say by mileage, you have to clean up when you drive 4-60,000 kilometers, good car habits, add qualified fuel, and regular vehicle maintenance can reduce the generation of carbon deposits, and finally when the carbon deposits are too much, you can only use manual dismantling to clean.
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After the car has traveled 5,000 kilometers, the carbon deposits should be cleaned up; To clean up the carbon deposits, you can go to a professional car repair shop to clean up, and try to let a professional person complete this work, because many times it will be easy to clean up by yourself, causing damage to the engine and reducing the life of the car.
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When the car runs 20,000 kilometers, it needs to clean up a carbon deposit, you should choose a better quality fuel treasure to add to the mailbox, after the vehicle starts, the detergent of the fuel treasure will enter the engine with the fuel, and it can play a role in cleaning at this time.
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In fact, carbon accumulation is a carbon-containing product of incomplete combustion of organic matter, and a series of fuels such as diesel, gasoline, and kerosene are organic matter, so products that are not completely burned are black carbon deposits! Since we talked about incomplete combustion, the easiest way to judge whether cleaning can be based on the actual situation is to disassemble and inspect. The throttle valve is generally installed in the outermost part of the engine.
The intake hose can usually be simply disassembled or arranged. The organization is relatively simple, the cost is low, and the effect is obvious. After 240,000 kilometers of the car, it began to remove the charcoal that had accumulated on the engine.
The reason why most engines end up scrapping is that carbon deposits from charcoal are a common cause of engine failure. If you want to clean the red bullet correctly, you can add detergent directly to the tank, or you can clean it with a water bottle, or you can remove it and clean it directly. Strictly speaking, there are many parts of the car that produce carbon deposits, and the cleaning time and method are different.
Generally speaking, carbon deposits are mostly generated in the lubrication system, air intake system, and fuel system, and today we will take a look at how long these places need to be cleaned up.
Carbon accumulation in automobiles is something that almost all fuel car owners encounter, and many car owners scratch their heads when they hear about carbon accumulation, just like carbon accumulation is a flood beast, and it is very common to use carbon accumulation or fuel detergent on a regular basis. In fact, why can't the good conditions of an experimental vehicle be achieved during the normal engine life cycle? Of course, the engine we bought was not as good as the test engine, but the engine used for the test always worked continuously without difference, with stable speed and small fluctuations, which was ideal for the engine.
Generally speaking, the car should be cleaned once when it runs 2-40,000 kilometers, which is more reasonable, but not too often. If there is a large amount of carbon deposits on the engine of the car, the car will shake violently during driving or engine operation, so the driver should know to wash the creatinine at this time. In addition, when the total driving of the average vehicle reaches 240,000 kilometers, it can be seen that a lot of eggs have accumulated in the engine.
At this time, it is easy to cause adverse reactions of the vehicle, so it should be cleaned in time.
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