Two flush engine cleaning carbon deposit, engine carbon deposit cleaning and fuel injector carbon de

Carbon deposits. Causes: the decision of the control characteristics of the electric injection engine, the cylinder is first injected and then ignited every time it works, when we extinguish the engine, the ignition is cut off immediately, but the gasoline sprayed out by the working cycle can not be **, after the volatilization of the unburned gasoline in the cylinder, the remaining glue and wax will be deposited on the cylinder wall and the valve, which can only be attached to the intake valve and the combustion chamber wall.

The method of removing carbon deposits, one is that the carbon deposits are not too serious, and the non-dismantling cleaning method is adopted, "The method is simple and labor-saving, and it only needs to be used in the correct way." However, for engines with serious carbon deposits, this method is inadequate and cannot achieve the purpose of complete cleaning. After the disassembly and cleaning, if the engine performance is still bad, then you should pay attention to it, it may be caused by too much carbon deposits in the valve and cylinder, then you have to use the method of disassembling the engine to solve it.

Valve carbon deposits can be easily cleaned by removing the intake manifold and soaking it by hand or with cleaning chemicals. As for the cleaning of carbon deposits in the engine cylinder, it is necessary to "go all out" and remove the cylinder head and timing belt.

Wait until you can clean it. However, you should still pay attention to the cleaning process. Car carbon deposition cleaning is a very important work, it is generally not recommended to operate by yourself, do a good job of going to the relevant professional place for cleaning, cleaning links are very important, in fact, daily maintenance is also very critical, to minimize the formation of carbon deposition can effectively protect the engine, you not only have to cultivate good driving habits, try not to shift gears at low speed, in this case gasoline combustion will occur inadequate, easy to produce carbon deposits.

Regular cleaning and maintenance is also important.

Add diesel fuel to launch a cleansing effect to conquer.

It's not the same thing, but when cleaning the engine deposit, it is generally accompanied by cleaning the fuel injector.

Carbon build-up in the engine.

1. Causes of carbon deposition:

1. The quality of gasoline oil is not good (the gum content is too high or contains impurities).

2. Poor air quality and insufficient combustion.

3. Often drive short distances, and the car stops before it is hot.

Second, the hazards caused by carbon deposits:

1. If the gum and carbon deposits are not very serious, it will be difficult to start cold, the engine valve or hydraulic tappet will produce abnormal noise, and the engine will have obvious knocking sound, but the engine can work normally after preheating to a certain temperature.

2. A large amount of carbon deposits will stick the valve and the duct together, and the valve will not be closed tightly, resulting in the engine being unable to start normally.

3. Carbon deposition will absorb oil vapor, and then be burned into rubber carbon will form thicker carbon deposition, when the thicker carbon deposition absorbs more gasoline, it will cause the combustion chamber to blaze hot spots, so that the engine produces detonation, power declines, combustion is not sufficient, and fuel consumption is increased. The overheating of the engine cooling system accelerates the wear of the parts, and even causes the piston to burn the top, the cylinder gasket to damage and other failures.

3. Benefits of carbon deposition cleaning:

1. For the phenomenon of light carbon deposition (occasional poor start, unstable idle speed of cold car) or preventive maintenance, it is recommended to use the original air intake system dismantling cleaning agent to remove the glue and carbon deposits on the throttle throat and intake pipe wall, and then cooperate with the fuel injector cleaning agent to remove the glue and carbon deposits on the fuel injector and combustion wall, which can reduce fuel consumption and increase the power effect, and can also improve the mechanical properties of the engine, reduce the operating noise, prevent rust and corrosion of system components, and prolong the life of the vehicle. The cost of dismantling and cleaning is low.

2 For moderate carbon deposition, generally speaking, it is difficult to start in autumn and winter, and the idle speed is unstable and easy to stall after starting, it is recommended to remove the intake manifold assembly, directly clean the carbon deposition at the valve and the inlet tract, and then cooperate with the fuel injector cleaning agent to remove the gum and carbon deposition of the fuel injector and the combustion wall, 3. For severe carbon deposition, it is difficult to start cold or there is a knotty clicking sound in the valve part of the hot and cold car, it is recommended to disassemble the cylinder head and thoroughly clean the carbon deposition on the valve body, intake tract and piston top. At the same time, it is combined with the injector cleaning agent to further remove the gum and carbon deposits from the injector and the combustion wall.

Note: For the above three methods, it is recommended to drive at high speed for 1 hour after cleaning.

Fuel injector deposition of carbon.

Remove the gum and sediment in the fuel channel of the fuel injector of the gasoline engine; Ensure that the oil circuit is smooth and the oil supply pressure is normal; It can remove the carbon deposits of the fuel injector of the gasoline engine, restore the normal injection cone angle of the fuel injector, and improve the quality of fuel atomization; Improve the fuel atomization performance, make the combustion more complete, and effectively reduce fuel consumption.

1. The most common is to disassemble the throttle, clean the front and back of the throttle with a carburetor, and dry it with a cotton cloth. Generally, it is recommended to clean the lower throttle for a year or 20,000 kilometers, of course, different models will have different cleaning cycles, we can do it according to the maintenance manual.

2. Carbon deposition cleaning inside the engine, we can do it before we want to change the oil to a new one. Open the oil cap, add detergent, mix with old oil, and idle for about 10 minutes. You can buy the detergent by yourself, the operation is very simple, and you can operate it yourself.

3. To clean the air intake system, buy a bottle of air intake system cleaner, pour it into the liquid storage tank of the special cleaning equipment, connect it to the air intake system, and use the vacuum to suck the detergent into the air intake road to achieve the purpose of cleaning. Cleaning the carbon deposits in the intake system mainly refers to cleaning the carbon deposits inside the intake tract and intake manifold. The purpose is to remove carbon deposits from the intake system, increase intake flow and speed, and reduce engine shake and idle instability.

20,000 cleaned throttles and fuel injectors, 40,000 varnish intakes.

It is cleaned about once every 30,000 kilometers.

Carbon deposits inside the engine can be used as an engine interior cleaner.

Engine cleaning agent, or cleaning liquid, is a kind of car maintenance products used to clean harmful substances such as oil sludge, carbon deposits, and gum inside the engine, keep the engine clean, enhance oil fluidity, reduce wear, and prolong the service life of the engine.

Tool Raw Material: Engine Interior Cleaning Agent.

1. How to use:

Pour a bottle of this product into the oil tank, idle for 5 10 minutes (if the engine has not been cleaned for a long time, the cleaning time can be appropriately extended), empty the old engine oil with cleaning agent in the engine, replace the oil filter, add new oil, one bottle for 4-cylinder vehicles, and two bottles for 6-cylinder vehicles.

2. Maintenance part: lubrication system.

3. Maintenance timing: maintenance begins after the new car travels 20,000 kilometers;

4. Maintenance interval: use every 10,000 kilometers;

5. Maintenance of vehicles: all kinds of gasoline vehicle engines can be used;

The necessity of maintenance: give full play to the lubricating performance of the lubricating oil, reduce the secondary pollution of the new lubricating oil, and prolong the service life of the engine.

Precautions: 1. Do not take it orally, if you accidentally take it by mistake, please seek medical attention immediately;

2. In case of accidental contact with eyes or **, please rinse with water immediately; Then seek medical attention.

3. Keep away from high temperature and fire, and store in a cool and dark place.

Useful. Engine carbon deposition cleaning agent has a practical effect, but due to its short retention time in the engine cleaning, coupled with the congenital defects of the no-dismantling cleaning method, it is relatively limited in terms of cleaning effect.

The cleaning agent has a good cleaning effect on carbon deposits, but the main effect of adding additives to the fuel tank is more effective for carbon deposits on fuel injectors and throttle valves, and the carbon deposit cleaning effect on combustion chamber pistons is not obvious, because the carbon deposits in different parts are different.

Engine carbon deposition cleaning agent is an additive complex that uses high-efficiency surfactants, emulsions, corrosion inhibitors and other additives;

How to clean up carbon deposits in direct injection engines? How to clean up carbon deposits in direct injection engines? The following is the specific method of carbon deposition cleaning in direct injection engines:

1. Add carbon deposition cleaning agent. This is a carbon deposition cleaning of the entire combustion system, which has the advantage that it is convenient for individuals to do, but the cleaning is not thorough. 2. Hang the bottle for the car.

The carbon deposits are cleaned by being introduced into the engine through a catheter, a method known in the industry as "hanging bottles". 3. By pulling up the speed. Whether it is during the run-in period of a new car, or often driving on congested roads in the city, it is very necessary to run at high speed to help clean up carbon deposits.

4. Clean by disassembling and assembling the engine. This requires strong professional skills, the advantages are thorough, and it is not recommended to disassemble the engine for cleaning without special circumstances. @2019

There are several methods for cleaning valve carbon deposition in direct-injection engines:

1. Pull the high speed

Pulling high speed is to pull up the speed, and its theoretical basis is to let the engine continue to operate at high speed and crush the carbon deposits. At the same time, it maintains a relatively high intake and exhaust pressure, and the high speed promotes more suction and more exhaust. In this way, the carbon deposits that have just been generated and are not completely attached to the surface of the cylinder can be washed away.

However, it has little effect on the cleaning of carbon deposits that have been generated for a long time.

2. Disassemble and clean

Dismantling cleaning is the cleaning of the valves by completely disassembling the engine. After disassembling the engine, scrub the carbon deposits in the valve chamber clean. It is suitable for deep cleaning when the carbon deposit is very serious.

3. Fuel cleaning agent

Adding fuel system cleaner and gasoline to the fuel tank can clean up carbon deposits and clean the oil circuit for the engine at any time and anywhere. This method not only removes carbon deposits, but also improves the oil and prevents carbon deposits and gum formation.

Fourth, the hanging bottle cleaning

The specific steps of hanging bottle cleaning are as follows:

1. Prepare the special hanging bottle for cleaning, and inject the atomized detergent into the hanging bottle, as shown below.

2. Unplug the end of the fuel main pipe connected to the engine, and plug in the black pipe connected to the "hanging bottle" and the fuel cleaning agent.

3. Connect the hanging bottle to the equipment that provides pressure and open the valve below.

4. Start the engine, adjust the pressure provided by the pressure equipment to 60-80kg C, and make the engine idle for cleaning, the time is 15-20 minutes.

5. After the cleaning is completed, loosen the mouth of the hanging bottle, release the pressure and burn it, and restore the car to its original state.

6. Hang neutral gear and step on the accelerator or drive at high speed in an open road section for a few minutes, the purpose is to make the cleaning agent achieve full cleaning effect, and discharge the cleaned debris through the exhaust pipe.

The residue of substances in the fuel injector, throttle, oil pipeline, spark plug, cylinder head, inner wall and other parts caused by the insufficient combustion of gasoline in the cylinder, and then the black gum produced under the repeated high temperature action of the engine is called carbon deposit.

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.

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.

carbon deposition hazards; If the carbon deposit is not cleaned up for a long time, it will only cause the operation of the whole vehicle, so that the internal channel of the engine is blocked by carbon deposit, so that the engine power becomes worse, and the occurrence of fuel consumption, abnormal engine noise, and unstable idle speed occurs, thereby reducing the power of the automobile engine, increasing fuel consumption, and the combustion rate is too low. If you do not clean up the carbon deposit in time, it will not only cause a certain degree of harm to the car, but also the harm to the environment, modern society pays attention to energy conservation and emission reduction, and exhaust emissions must not exceed the standard, so we should pay attention to this problem.

Usually 5000 kilometers with effective PNF fuel additives to clean the overall oil circuit carbon deposits, a long time not to clean up the carbon deposits will cause the operation of the whole vehicle, so that the internal channel of the engine is blocked by carbon deposits, the internal fuel injection of the car is not smooth, so that the engine power becomes poor, thereby reducing the power of the car engine, increasing fuel consumption, and the combustion rate is too low.

<> "The cleaning method of carbon deposits in the cylinder direct injection engine is as follows:

Hanging bottle: first prepare a hanging bottle, hang the hanging bottle above the engine, then add the cleaning agent to the bottle, and deliver the cleaning agent to the inside of the engine through the connected conduit, so that the carbon deposits can be cleaned up; This way of cleaning up carbon deposits is more commonly used, ** around 800 1000 yuan, but this method is not suitable for serious carbon deposits.

Machine washing: Fill the prepared cleaning agent into a special cleaning machine, and then let the machine start the wheel girder work, the cleaning agent will enter the engine, let the carbon deposit slowly dissolve, and then pump out the waste liquid after dissolving; This method is suitable for more serious carbon deposition, but it is more expensive and does not need to be transported, and it needs about 1,000 yuan.

In order to reduce carbon deposits from direct injection engines, higher quality fuel can be added; One of the biggest causes of carbon deposition is because of the poor quality of fuel, once there are impurities inside, it will lead to carbon deposition, choose better gasoline, and try to avoid idling.