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The reason for the burning of engine oil is that the oil quality is not good or the viscosity grade does not meet the requirements. In addition, too low or too high oil viscosity can lead to poor engine lubrication, increased wear on piston rings and cylinder walls, and reduced sealing performance, resulting in oil burning. 1. The fitting gap between the piston ring and the cylinder wall is too large, the piston ring is improperly installed or the sealing is poor, and the oil scraping effect of the oil ring is weakened, so that the oil enters the combustion chamber.
2. Burning engine oil caused by excessive oil filling. Due to the high oil pressure, the engine is burned into the combustion chamber by splashing too much of the lubricated part during the lubrication process. 3. Oil leakage from turbocharger.
Leaks from pipes or bearings can cause engine oil to seep from the turbocharger into the exhaust pipe, and when the exhaust pipe temperature is high, the oil is baked and turned into a blue discharge. 4. Wear occurs between the duct and the valve stem, the gap is too large, and the oil droplets in the valve cover will enter the combustion chamber along the gap when exercising. 5. The valve oil retainer fails, which can not effectively prevent the oil from entering the combustion chamber through the valve.
6. The crankcase ventilation valve is bonded and cannot be moved, losing the function of controlling the ventilation volume, and too much oil vapor in the crankcase will enter the air intake pipe through the crankcase ventilation pipe. 7. Excessive air pump channeling oil and blocked air filter element, large negative pressure of air pump intake, oil channeling and supercharger seal ring failure will make the oil enter the combustion chamber.
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Peugeot burning engine oil is a very common phenomenon, in fact, no matter what car type of engine has a certain amount of oil consumption, not that you think that it is not burned is not burned, but the performance is not obvious, but excessive consumption is burning engine oil. As long as there is no serious strain on the cylinder wall, it is a grinding school that does not need to be overhauled.
Most of the engine oil is caused by the piston ring being trapped by carbon deposits. Relying on the addition of high-viscosity engine oil to continue life is only an expedient measure to cure the change. When the oil enters the combustion chamber to participate in combustion, more carbon deposits will be formed, which in turn will lead to the aggravation of the burning of engine oil, forming a vicious circle.
In the long run, it will cause cylinder wall strain, or even cylinder burst, and finally the engine can only be disassembled for overhaul.
Four reasons why you burn engine oil
A ...If you don't clean the oil circuit or don't do effective oil circuit cleaning during the long period, you can use detergents at will, and using detergents and using effective detergents are two different things;
IIThe antifreeze replacement cycle is too long or not changed at all;
IIIThe oil change interval is too long;
IVLong-term or often short-distance driving.
The above four points of the vehicle that burns engine oil must be occupied by one or all four points.
How the piston rings are stuck
The principle of piston ring stagnation should start from the oil circuit, the oil temperature is 110 degrees, and the high temperature caused by the long-term unclean oil circuit makes the oil at a temperature of 120 degrees or higher for a long time, so that the oil will be exhausted in advance, the small hole of the oil ring is very small, and the oil inside will be dried and scabbed for a long time. It becomes a liter of engine oil for 1000 kilometers or even hundreds of kilometers. Therefore, in order to solve the problem, we must start from the root oil circuit, which is the way to remove the root.
The solution to burning the oil
In the habitual thinking of car enthusiasts, they always think that burning engine oil should be overhauled, so that they not only have to bear high maintenance costs, but also bear the unpredictable risks and depreciation losses brought about by the overhaul. Destroy the airtightness and precision of the engine. And there is a possibility that the engine oil will burn again after tens of thousands of kilometers, so overhauling the engine is not sustainable.
Now the no-dismantling technology has been very mature and gradually accepted by the majority of car owners. Especially containedThe director of PNF's patented technology is blind and He YoupuNon-destructive repair products, has completely gotten rid of the technical shackles of the operation of the auto repair shop, without removing a screw, the owner can operate it himself, and the piston ring is repaired and released during driving, and the effect is remarkable.
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Peugeot burns engine oil four common causes.
1.If you don't clean the oil circuit for a long time or don't do effective oil circuit cleaning, detergents are used at will, and using detergents and effective detergents are two different things;
2.The antifreeze replacement cycle is too long or not changed at all;
3.The oil change interval is too long;
4.Long-term or skidding often short distances.
The above four points of the vehicle that burns engine oil must be occupied by one or three points.
Precautionary measures for burning engine oil:
1. Use high-quality engine oil
Engine oil is very easy to corrode and age in a long-term high temperature state, resulting in the oil film becoming thinner, and it is easier to escape to the combustion chamber to participate in combustion, so the use of high-quality engine oil can greatly delay this phenomenon.
2. Pay attention to the cleanliness of the fuel circuit
Fuel in the combustion process is indispensable to produce carbon deposits, and carbon deposits are the root cause of some car failures, such as the aging of valve seals, piston wall clearance, etc., are directly or indirectly related to the formation of carbon deposits, so keeping the fuel oil circuit fiber wax clean is of great help to prevent the burning of engine oil, of course, this needs to rely on high-quality (PNF) fuel additives.
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This car burns engine oil.
The main reason is that the piston ring is stuck, and the main problem of piston ring stagnation is the high combustion temperature of the oil circuit. As long as the problem of piston ring stagnation is solved, the oil will not be burned, which is very easy to solve, especially for cars with very small mileage, which does not need to be overhauled and does not need to change the cylinder in the middle limb. First of all, make sure that there is no need for overhaul, and the scrap gas valve should be assigned to be inspected, but the hose.
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The engine burns oil mainly because the parts in the engine are worn and aged, generally the exhaust valve separation of oil and gas is not complete, the valve oil seal is worn and aged or the piston ring is seriously worn, and the engine is generally overhauled and replaced with the parts that have problems, but it is indeed more troublesome and the cost is high. It has little impact on the power of the engine, and at the same time there is the addition of liquid molybdenum, which can be well lubricated and protected by the engine. There is definitely no problem with normal opening.
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When you go to a 4S shop, you will generally be called to overhaul, but there is no need, and overhaul is too troublesome, not to mention the high cost and time consumption. My car also burns engine oil, all of which are continued with engine oil, and the original factory used before is not very good and replaced it with G T Magic Red engine oil, four types of PAO base oil, the quality is very good, it will not produce so much carbon deposit, and it has little impact on the power of the engine, and the liquid molybdenum component in the engine oil can also reduce the power wear and tear consumption of the engine, improve the power, and there is no problem with the normal driving of the car.
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The Peugeot 5008 engine burns oil and can be treated in this way.
Find the cause of burning the oil
One is the accessories, the other is that the oil circuit is not clean, carbon is deposited, and the piston ring is stuck. It is recommended that you first confirm the cause of burning engine oil so that you can solve it in a targeted manner. Check the fittings first, mainly the valve chamber cover and the exhaust valve.
They are one. When it comes to inspection, just check it together. Then, measure the cylinder pressure to see if there is piston ring matching and cylinder pulling.
If there is no problem, the fault of the accessories can be basically eliminated, which is the burning oil caused by the stuck piston ring.
Jamming starts with the oil circuit. The temperature of the engine oil is 110 degrees, and the high temperature caused by the long-term unclean oil circuit makes the oil stay at a temperature of 120 degrees or even higher for a long time, so that the oil will be exhausted in advance, and the holes in the oil ring will be very small. The oil inside will dry up after a long time.
One cylinder card 5000 kilometers a liter of oil. At this time, the operating conditions of other cylinders will also start to deteriorate. Soon, all four cylinders will be stuck, and to solve the problem, it is necessary to start from the root oil circuit.
Solutions for burning engine oil
Overhaul
First, overhaul, maintenance of multi-person operation technology is not unified and assembly is not good, the hot and cold value of the engine assembled at room temperature is not enough, overhaul 1-40,000, vehicle depreciation 3-60,000. The disadvantages of overhaul: do not turn on the engine as a last resort, after opening, there are traces of disassembly, the car instantly depreciates a lot, and the result of assembly is unknown.
In the process of dismantling and assembly, the humidity of the air, constant temperature, low temperature are unable to meet the environment of the dust-free workshop operation, there are many people in the plugging and assembly, the technology is not the same, and the assembly can not ensure the stability of a machine because of the screwing and other links, often the later car volume is unable to consume fuel, shaking and other phenomena are found. Don't disassemble the engine without serious cylinder pulling. After the overhaul, 2000 kilometers to change a fully synthetic engine oil for two consecutive times, plus to find a good road condition to run in separately, 3000-5000 kilometers to complete the run-in, the cost of oil + gasoline is very high, and the cost of overhaul and run-in of ordinary cars is 2000 yuan.
And once you call the police, you can call a tow truck immediately, which is more troublesome.
Non-destructive repair
The second is that this kind of car burning engine oil is very easy to do, first check the exhaust valve to see if there is a problem, and then see if the cylinder wall wear is serious, there is no problem, it must be caused by the piston ring stagnation, because there is no cylinder wall wear is not required to overhaul. The problem of burning oil caused by piston ring stagnation is a phenomenon that occurs in most oil-burning vehicles, you can take a look at this Peugeot owner method, he uses PNF repair agent, you can clean the carbon deposits on the top of the piston and release the piston ring.
Peugeot burner oil non-destructive repair case sharing.
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1.Check that the exhaust pipe is not smooth. If not, clean or replace. Drive for a while longer to see if the oil is missing and if there is still blue smoke coming from the exhaust pipe.
2.Measure the cylinder pressure, the cylinder pressure is normal: that should be due to the valve seal.
Burning engine oil due to aging and breakage.
Replace the valve seal. It is recommended to replace all oil seals.
3.If the cylinder pressure is single, multi-cylinder or all lower than the normal value, then only the cylinder head is lifted to check whether the cylinder gasket is flushed, the bore wear, the piston wear, the elasticity of the piston ring, etc. If it's just a flush line, just replace the gasket.
If the bore and piston wear are too large, it is recommended to replace all cylinder liners (cylinders), pistons, and piston rings. If the bore is not worn much, the piston and piston ring can be replaced. If it is the piston ring reason, then just replace all the piston rings.
Thank you for the above suggestions.
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The engine burns oil mainly due to piston ring stagnation.
You can see 508 Causes of Engine Oil Burning, and Is It a Cause.
It is best to check the accessories first to make sure that the accessories are not faulty.
508 Analysis and solutions of the causes of engine oil burning.
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This is a condition of natural wear and tear, which produces channeling oil and the engine must replace the cylinder liners and piston rings.
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The engine burns oil and needs to overhaul the engine.
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If this mobile phone has it, if it needs light steel decoration, it needs light steel, and if it is particularly thin, it has to be ironed, so go to the repair shop and let them check what the problem is.
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If the engine burns oil, you need to check the following conditions.
The first is the problem of burning the engine oil caused by the problem of the exhaust valve, and the second is the failure caused by the turbocharging problem.
The third is this kind of failure caused by poor sealing of engine valve seals, and the fourth is caused by engine piston ring problems.
Peugeot 5008 burns engine oil causes.
If the engine burns oil, you need to check the following conditions.
The first is the problem of burning the engine oil caused by the problem of the exhaust valve, and the second is the failure caused by the turbocharging problem.
The third is this kind of failure caused by poor sealing of engine valve seals, and the fourth is caused by engine piston ring problems.
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The main reason for burning engine oil
The main reason for burning engine oil in French cars is two aspects, one is regretting that there is a problem with the accessories, and the exhaust valve and valve cover of French cars are integrated, which is easy to affect the burning of engine oil. The second is to not clean the oil circuit and antifreeze for a long time.
If the replacement is not timely, the oil service life is too long, the piston ring is stuck, and the more common situation is that the piston ring is stuck.
Causes of piston ring seizure
Stagnation starts from the oil circuit, the oil withstand the temperature at 110 degrees, and the oil circuit is not clean for a long time caused by the high temperature, so that the oil is at a temperature of 120 degrees or higher for a long time, so that the oil will be exhausted in advance, the small hole of the oil ring is very small, the oil inside will be dried and scabbed for a long time, a cylinder stuck is 5000 kilometers a liter of oil, at this time the working conditions of other cylinders will also begin to be bad, and soon the 4 cylinders are stuck, it will become 1000 kilometers or even hundreds of kilometers a liter of oil. Therefore, in order to solve the problem, we must start from the root oil circuit, which is the way to remove the root.
Resolution
There are two ways to solve the problem of burning engine oil, one is overhaul, and the second is PNF repair agent. In the case of overhaul, the cost is very high, the vehicle depreciates quickly, and the later run-in is also very troublesome, not a serious cylinder.
Engine damage does not require major repairs. First of all, you have to find out the reason for your burning oil, and you can refer to it if you have repaired it with a repair agent before.
Not a major overhaul to solve the problem of burning engine oil.
Detailed explanation of the solution of burning engine oil for various models.
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