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Carbon deposition refers to the colloidal substance similar to oil sludge produced by fuel and oil vapor that escapes into the combustion chamber when it cannot be completely burned, and these substances adhere to almost any part of the engine room, including intake and exhaust valves, spark plugs, fuel injectors, piston tops, etc., after continuous accumulation, coupled with the action of repeated high temperatures of the engine, and finally form carbon deposits similar to coal.
How to judge the organic carbon of a car? When the car has the following conditions, it can be judged that the carbon deposition of the car is more serious:
1. It is not easy to start when the cold car is ignited many times, and it is normal when the car is hot;
2. The engine idle speed is unstable, and the speed is high and low;
3. The driving feeling is weak and stuffy, especially when overtaking, and the speed response is slow, which is very different from the new car;
4. The exhaust of the car is pungent and the emission exceeds the standard;
5. The fuel consumption of the car has increased a lot compared with before.
How to clean up the best way to clean up carbon deposits in automobiles.
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.
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 non-corrosive, will not clog ternary, and have a relatively high level of safety.
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20,000km is cleaned with finished chemicals that clean up carbon deposits, such as Chebel, etc.! Method: A tank of fuel runway dashboard oil gauge yellow light on, add carbon deposition products, and then go to the gas station to add until the gun jumps!
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In fact, any vehicle has carbon deposits, and a slight carbon deposit has no effect on the vehicle. Only if there is too much abnormal carbon deposit, it needs to be treated, but the method is not to deal with carbon deposits, but to find the reason for the abnormal increase in carbon deposits.
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Hello, there is no specific kilometer for this, if you feel that the car is noisy, the shaking is more severe, and the power performance is not up, you need to clean it up.
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Cars are generally used for 2 years or when they travel to 4w kilometers, they need to clean the engine carbon deposits.
Let's first understand what carbon deposition is: the residue of substances in the fuel injector, throttle, oil pipeline, spark plug, cylinder head, inner wall and other components caused by insufficient combustion of gasoline in the cylinder, and then the black gum produced under the repeated high temperature action of the engine, which is called carbon deposition.
The harm of carbon deposits to automobile engines, if the carbon deposits are not cleaned up for a long time, it will cause the occurrence of automobile engine power decline, fuel consumption, abnormal engine noise, and unstable idling.
If it is a new car, if the engine power is insufficient, fuel consumption is high, etc., then it is recommended to clean the throttle or make a car endoscope to see if it is caused by carbon deposits.
If it is an old car and has run more than 100,000 kilometers, you can choose to hang the bottle (cleaning agent cleaning) or dismantle the machine for cleaning. It is recommended to use hanging cylinders to clean carbon deposits. A little bit is that you don't disassemble any parts of the engine, it won't cause engine damage.
Dismantling and cleaning to disassemble the parts of the engine, after all, it has been disassembled, and there will be other problems with the engine in the future, so the risk will be relatively large.
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The carbon deposits of automobiles are generally cleaned once when driving 2 40,000 kilometers, regardless of time.
Car carbon deposits do not need to be cleaned frequently, and it can also be decided whether it needs to be cleaned up according to the use of the car. For example, if the vehicle is used frequently, or there has been an adverse reaction caused by excessive carbon deposits, it should be cleaned up in time. Generally, it is cleaned once when driving 240,000 kilometers, and if it is driven on the highway for a long time, it can be extended to 340,000 kilometers.
Cleaning the throttle: In general, the cleaning cycle of the throttle is recommended to be 20,000 km.
Cleaning the carbon deposits inside the engine: The cleaning cycle is generally recommended to be once at 30,000 kilometers.
Cleaning oil circuit carbon deposit: It is recommended to add a special cleaning fuel additive to the fuel tank of your car regularly, and it is recommended to add one every 3000 kilometers.
Cleaning the carbon deposit of the air intake system: generally every 20,000 kilometers or so.
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Carbon deposits are deposits that occur when fuel and lubricant are mixed with blow-by gas and are incompletely combusted.
The main components are hydroxy acid, asphaltene, tar, etc., and the formation of deposits is directly related to the "fuel" and "lubricating oil" of automobiles.
If you don't pay attention to the oil and driving habits for a long time, the wax and gum in the gasoline will accumulate thicker and thicker, and carbon deposits will be formed when it hardens after repeated heating. If the engine burns oil, or if the gasoline is of poor quality and has more impurities, the valve carbon deposits are more serious and form faster.
One of the reasons for carbon deposition is that the fuel is not completely burned and adheres to various parts of the engine, which can form carbon deposits over time. The main function of additives is to drill into the pores of carbon deposits with strong surface activity, destroy their structure, and gradually dissolve these carbon particles from the metal surface, and then discharge them through the exhaust gas after burning with the fuel at high temperature. This more amazing additive is actually not very effective.
The increase in carbon deposits in the car will lead to insufficient combustion of the engine, resulting in an increase in fuel consumption and a long time when the car failure light is on.
Ways to slow down the formation of carbon deposits:
1.Use high-quality fuel. Because the main components of carbon deposits are wax and colloidal deposition in the fuel, the lower the colloidal content in the fuel, the better. But we can't change the quality of the fuel, but we can choose not to add unidentified cheap fuel.
2.Avoid driving at low speeds for long periods of time. If necessary, the high speed can be pulled at a regular time. The principle of removing carbon deposits at a high speed is to speed up the airflow, which can carry away a small amount of carbon deposits that are not firmly attached. The combustion temperature is increased so that part of the carbon deposits in the cylinder are burned.
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Depending on the model, the recommendations for maintenance will be different. Generally speaking, 4S shops will recommend that car owners carry out maintenance every 10,000 kilometers. If you drive at high speed for a long time, it can be extended to 3-40,000 kilometers, and other car owners can clean up at 2-30,000 kilometers.
The specific situation also needs to be decided according to your own driving situation. Special attention should be paid to the problem of carbon deposition in automobiles. Under normal circumstances, 20,000 kilometers need to clean the engine once to ensure the normal operation of the vehicle.
Here are some ways to reduce the formation of carbon deposits in cars:1Use high-quality fuel.
Because the main components of carbon deposits are wax and gum deposits in the fuel, the lower the gum content in the fuel, the better. 2.No cheap fuel from unknown sources is added.
Although we may not be able to change the quality of the fuel, we can choose not to add cheap fuel from unknown sources. 3.Avoid driving at low speeds for long periods of time.
Pull the high speed at a regular time to eliminate the base coarse carbon deposit. Pull up the rotational speed to accelerate the airflow, taking away a small part of the carbon deposits that are not firmly attached; The combustion temperature is increased so that part of the carbon deposits in the cylinder are burned off.
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60,000 kilometers can be cleaned up of carbon deposits, but it can also be assessed according to the condition of the vehicle. In general, too much carbon deposition in the vehicle will affect the driving, and the vehicle will have difficulty starting or starting shaking. That is, even if it reaches 60,000 km, there is no problem with the start, so that the limbs can wait.
Each car has a different driver, a different driving style, and different road conditions. In addition, choosing different oils and other products will have different effects on the engine. These can also have an impact on carbon deposits and are recommended to be treated separately on a case-by-case basis.
The number of kilometers is actually a reference value, not a real determining factor, just the state of the vehicle. Therefore, don't listen to one-sided opinions on whether carbon deposits should be cleaned up. When refueling, you can choose the cleaning liquid appropriately, but it is also an appropriate choice, and it is not required to be used.
Because the engine technology of the vehicle is very mature, if it is maintained in a 4S shop, the oil during the maintenance cycle is completely fine, so there will be no large amount of carbon deposits, and naturally there is no need to change it regularly.
That is, it is found that there is an obvious problem with the vehicle's engine, such as slow or shaky when starting. Engine cleaning and carbon deposition cleaning can be considered, which will be more targeted, and the throttle can also be cleaned. But there's really no need to clean the throttle after 10,000 to 20,000 kilometers, unless you're driving aggressively and driving in bad road conditions for a long time.
How is carbon deposited?
In general, carbon deposits are solid particles produced by the incomplete combustion of fuel during combustion. Gasoline itself is an oily gel, which forms a gas after combustion, but the part that is not fully burned will become solid and be deposited directly, which will affect the performance of the engine over time. Therefore, carbon deposits will also affect the performance of the vehicle, resulting in more fuel consumption and more exhaust gas, which is also the main reason why carbon deposits need to be cleaned up.
How to clean up carbon deposits.
Knowing the cause of carbon deposit, you can solve the problem. In fact, reducing carbon deposits is about preventing or minimizing carbon deposits through good driving habits. Of course, it is impossible not to produce, but it can be solved to a certain extent by reducing the number of cold car starts and urban driving.
Peak travel can reduce traffic congestion, and green travel can also reduce carbon deposition. Regular use of fuel additives can also better digest the solid particles produced by the fuel, allowing them to adhere less to the car.
How to reduce carbon deposits.
Good driving habits, warm up the car before driving, wait for normal before driving, and reduce carbon deposits when refueling with less oil and less braking. In addition, choosing the right engine oil and petrol, especially the one that meets the standards, can also keep the vehicle in good condition and reduce carbon deposits. Due to the different state of the vehicle and driving habits, it is entirely possible that the same model will be in a completely different state and have very different fuel consumption in a few years.
Skill. Reducing carbon deposits and cleaning them up in time can make the vehicle more comfortable. What we should do in our daily driving is actually to drive reasonably. If you travel a lot in urban areas, you can find opportunities to use highways to reduce carbon deposits.
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