Do car activated carbon canisters need to be replaced regularly?

The replacement cycle of activated carbon canisters is 4 years or 60,000 kilometers. If there are symptoms such as frustration, increased fuel consumption, and gasoline smell, if the investigation is ineffective, it is necessary to check whether the carbon canister is to be replaced.

The role of the activated carbon canister in automobiles:Gasoline vehicle fuel vapor adsorption desorption device, commonly known as"Carbon canisters"It is a device to reduce the emission of gasoline evaporative products in automobile fuel tanks and carburetors. The canister is generally installed between the gasoline tank and the engine.

Since gasoline is a volatile liquid, the fuel tank is often filled with fuel vapor at room temperature, and the role of the fuel evaporative emission control system is to introduce the vapor into combustion and prevent volatilization into the atmosphere.

The active substance is contained in the tank. When the engine working solenoid valve is turned on, the engine sucks the fuel vapor in the fuel tank and the vapor adsorbed by the active substance into the intake pipe. When the engine is not working or the solenoid valve is not turned on, the vapor from the fuel tank enters the activated carbon tank and is absorbed by the active substance.

No, if there is no problem, there is no need to change, the main function of the activated carbon canister is to adsorb the gasoline vapor of the fuel tank, I hope mine is helpful to you, hope.

The principle and function of the carbon canister:

The canister is actually part of the Gasoline Evaporation Control System (EVAP), which was introduced to prevent fuel vapors from escaping into the atmosphere after the engine is stopped, and since 1995, China has required all new cars to have this system. First of all, let's take a look at its working principle, as shown in Figure 1 below: after the engine is turned off, gasoline vapor and fresh air are mixed in the tank and stored in the activated carbon canister, when the engine starts, the electromagnetic valve installed between the activated carbon canister and the intake manifold is opened, and the gasoline vapor in the activated carbon canister is brought into the cylinder by clean air to participate in combustion under the vacuum of the intake pipe.

This not only reduces emissions, but also reduces fuel consumption.

The canister is generally installed before the gasoline tank and the engine. Since gasoline is a volatile liquid, the fuel tank is often filled with vapors at room temperature, and the role of the fuel evaporative emission control system is to introduce vapors into combustion and prevent volatilization into the atmosphere. An important part of this process is the activated carbon canister storage device.

Activated carbon is not capable of mass collision or impact, and it may also lead to the replacement of activated carbon after causing a traffic accident. In fact, if there are some traffic accidents, then there is no way, because whether you are activated carbon or a collision such as a car body engine, it will definitely lead to damage, so once the collision causes wear and tear, or causes a depression defect, it must be replaced.

A little more knowledge about cars can make us suffer less and avoid economic losses, and there is no indication on the car maintenance manual that the carbon canister needs to be replaced for a cycle, so the use of the carbon canister is indefinite, and it is decided according to the damage.

The carbon canister is not a kind of consumable parts, the automobile consumable parts are only engine oil, machine filter, air filter, etc., and the service life of antifreeze coolant, transmission oil, fuel filter, carbon canister and other parts is very long; Therefore, there are not many categories that need to be maintained for normal cars, and there will be fewer electric vehicles, because there is no need to use oil filters.

Of course, it is necessary to change it regularly, because only in this way can it be more stable during driving, and it can also have a better situation without too much impact.

It does not need to be replaced regularly, and if it is damaged or if there is a fuel leak, it needs to be replaced.

Car canisters are changed once every 6 to 70,000 kilometersThe carcan does not need to be replaced when it is not faulty, and it only needs to be replaced when there is a large smell of oil or abnormal engine idling. When the car is running or turned off, the gasoline vapor of the fuel tank enters the upper part of the activated carbon tank through the pipeline, and the fresh air enters the activated carbon tank from the lower part of the activated carbon canister.

After the engine is turned off.

When the engine starts, the solenoid valve of the fuel evaporation purification device installed between the activated carbon tank and the intake manifold is opened, and the gasoline vapor of the activated carbon canister is sucked into the intake manifold to participate in combustion.

There is no specific time, and when it smells of gasoline, it has to be replaced, and it cannot be cleaned.

Function: When the gasoline in the fuel tank produces oil vapor, if it is directly discharged into the air to cause environmental pollution, therefore, the oil vapor is stored with a carbon canister and sucked into the cylinder for combustion under suitable working conditions of the engine

Generally speaking, the carbon wire does not need to be replaced, as long as it does not agglomerate or leak carbon particles inside, it does not need to be replaced, the main reason for the damage of the carbon wire is that in addition to the year is too long, the other is caused by the fuel gun when filling the fuel gun and jumping up and then refueling, so when the oil gun is refueled and jumped, do not refuel again, because the oil added may enter the carbon wire and damage the carbon wire.

The carbon canister is not a kind of consumable parts, the automobile consumable parts are only engine oil, machine filter, air filter, etc., and the service life of antifreeze coolant, transmission oil, fuel filter, carbon canister and other parts is very long; Therefore, there are not many categories that need to be maintained for normal cars, and there will be fewer electric vehicles, because there is no need to use oil filters.

The car canister does not need to be replaced when it is not faulty, and it only needs to be replaced when there is a large smell of oil in the car and abnormal engine idling. The carbon canister is mainly decided according to whether its performance is good or not:

1. The carbon canister is generally not replaced at a specified time, mainly according to its use, and it needs to be replaced when it is generally used until there is a large amount of gasoline smell;

2. Its main function is to collect fuel vapor, the carbon tank is equipped with activated carbon, and the activated carbon has an adsorption effect on the fuel vapor.

3. The carbon canister has a computer-controlled solenoid valve, and under the condition of small load operation of the engine, the computer-controlled solenoid valve is opened, and the fuel vapor in the carbon canister will be sucked into the engine intake manifold and mixed with fresh air for combustion.

About how the canister works.

Because gasoline is a highly volatile liquid, when it is stored in the vehicle fuel tank, the fuel tank is often filled with gasoline vapor, and if the gasoline vapor cannot be effectively discharged, the pressure inside the fuel tank will rise, and affect the oil pump.

The activated carbon canister is generally installed between the fuel tank and the engine, which uses the adsorption capacity of the internal activated carbon to adsorb and store the gasoline vapor in the fuel tank in the carbon canister.

When the engine starts, the solenoid valve between the activated carbon tank and the intake manifold will open according to the instructions of the ECU, and the gasoline vapor in the activated carbon tank will be carried into the cylinder by air under the vacuum negative pressure of the intake pipe to participate in combustion. This not only reduces unnecessary emissions, but also reduces the fuel consumption of the engine.

There is no hard time for the replacement of the carbon canister solenoid valve, whether it needs to be replaced can be judged by measuring the resistance of the carbon canister solenoid valve, if the resistance value of the carbon canister solenoid valve does not meet the standard, the solenoid valve needs to be replaced; In addition, it can also be judged by measuring the power supply voltage of the solenoid valve of the carbon canister, unplugging the plug-in of the solenoid valve, measuring the voltage with a voltmeter, and the power supply voltage should be 12V when the ignition switch is turned on, and it needs to be replaced if there is any abnormality.

In addition, if the car has the following conditions, it indicates that the canister solenoid valve is faulty or damaged and needs to be overhauled or replaced:

1.Difficult to start the engine (the solenoid valve of the canister is always open): Since the solenoid valve of the canister is always open, the air in the intake pipe will be filled with oil vapor, and when the engine starts, the excessively concentrated combustible mixture will cause the engine to start difficult or even stall.

2.Oil vapor leakage (canister solenoid valve is always closed): Since the solenoid valve of the canister is closed from beginning to end, the oil vapor adsorbed and stored in the canister cannot be discharged, resulting in an increase in the pressure in the tank, and finally the oil vapor leaks out from the pressure relief valve of the fuel tank cover.

The carbon canister is not a kind of consumable parts, the automobile consumable parts are only engine oil, machine filter, air filter, etc., and the service life of antifreeze coolant, transmission oil, fuel filter, carbon canister and other parts is very long; Therefore, there are not many categories that need to be maintained for normal cars, and there will be fewer electric vehicles, because there is no need to use oil filters.

Hello, there is no specific replacement time for the carbon canister of the vehicle, when there is a blockage or leakage, it needs to be replaced.

Is the carbon canister easy to change in the car?

Because many cars, its activated carbon tube can be used for a long time, and even many cars have never replaced the activated carbon tank of the car, which is mainly due to the physical reasons of activated carbon, it can repeatedly adsorb gas, and after our engine works and inhale combustion in the engine, so if we have no damage to the outside of the activated carbon tank, it can be used for a long time, so the car repairer said that there is no need to replace it.

The carbon canister is not a kind of consumable parts, the automobile consumable parts are only engine oil, machine filter, air filter, etc., and the service life of antifreeze coolant, transmission oil, fuel filter, carbon canister and other parts is very long; Therefore, there are not many categories that need to be maintained for normal cars, and there will be fewer electric vehicles, because there is no need to use oil filters.

How often do you need to replace your car's canister? The master who repaired the car told you that there is no need to replace it, that makes sense, and you are not damaged, nor is it blocked, okay, what are you doing when you replace the carbon canister? There are no breakages, damages and blockages, and in severe cases, they do not need to be replaced.

And some auto repairers say that there is no need to replace the activated carbon canister is also possible, because many cars, its activated carbon tube can be used for a long time, and even many cars have never replaced the activated carbon canister of the car, mainly due to the physical reasons of activated carbon, it can repeatedly adsorb gas, and after our engine works and inhale combustion in the engine, so if we have no damage to the outside of the activated carbon canister, he can use it for a long time.

However, in the use of activated carbon canisters, we need to pay special attention to the fact that the activated carbon tube can not be impacted, or strong, which will lead to the reduction of the life of our activated carbon canister.

And if this friend wants to know how often our car activated carbon tube is replaced, in fact, there is no fixed replacement cycle, including our car's instruction manual, there is no indication of the replacement cycle of the activated carbon canister, so we will replace it if there is a failure.

There are three ports in the canister: one is the port through the fuel tank, and the other is through the atmosphere, which is used to ensure that the gasoline is sucked away smoothly by the fuel pump; Another port through the engine, controlled by the carbon canister solenoid valve switch!

Although the vehicle instruction manual does not indicate how often the carbon canister should be replaced, the carbon canister also has a service life, and the old driver generally recommends replacing it once every 60,000 kilometers, but remember that the carbon canister is just a container to avoid gasoline vapor leakage, and the impact on vehicle fuel consumption is minimal!

Car canisters are not maintenance parts, and they do not need to be replaced regularly like the triple filter.

The car canister does not need to be replaced when it is not faulty, and there is no problem, and the natural car repairer said that it does not need to be replaced.

The carbon canister of the vehicle is not a wearing part, under normal circumstances, it can be replaced once in 100,000 kilometers, as long as there is no gasoline smell in the car, or the fuel consumption of the vehicle has not increased significantly, there is no need to replace the carbon canister.

Hello. The main function is to absorb water in the fuel system. If there is no moisture in the fuel circuit during driving, then what is the carbon canister?

It won't have an impact. When the engine fails, it needs to be replaced if there is a problem detected during the repair process. If there is no problem, there is no need to replace it.

Replace it semi-annually. The mechanic said that there was no need to replace it, which is completely irresponsible. Because the car runs for a long time, it will cause carbon deposits, and the carbon canister must be replaced in time to avoid affecting the power of the car.

The canister is only replaced, and there is no such thing as cleaning.

A canister is a component of a car that absorbs, filters, and processes fuel vapors from the tank. Carbon tanks usually have a long lifespan, and some cars are scrapped and not replaced. If the carbon canister is clogged, the carbon canister itself is not high, and it is more convenient to replace it directly than to clean it.

The carbon canister is the plastic of the shell, which is filled with activated carbon, and the shell and lid are welded into one through resin welding techniques such as ultrasonic welding, which cannot be disassembled, and it will be scrapped when disassembled.

The activated carbon in the canister absorbs the oil molecules and water molecules in the fuel vapor and wants to decompose the oil molecules again, which is too expensive and uneconomical. If someone tells you that you can clean, they just want to earn your man-hour fee.

The carbon canister is not a kind of consumable parts, the automobile consumable parts are only engine oil, machine filter, air filter, etc., and the service life of antifreeze coolant, transmission oil, fuel filter, carbon canister and other parts is very long; Therefore, there are not many categories that need to be maintained for normal cars, and there will be fewer electric vehicles, because there is no need to use oil filters.