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Anonymous users2024-02-07Because the in-cylinder direct injection technology is different from the traditional inlet injection method, the in-cylinder direct injection engine directly injects gasoline into the cylinder and ignites, so the design standards of the injector have high requirements. Although it has the advantages of improving engine thermal efficiency, improving fuel economy, and improving the uniformity of each cylinder, the disadvantages are also obvious, such as easy to produce oil dilution problems, high requirements for fuel quality, and easy to produce carbon deposits.
Most of the oil increases occur in colder regions such as the Northeast. Since the fuel of a direct injection engine is injected directly into the cylinder, there is more time and air to mix than manifold injection, and more or less fuel is injected into the cylinder wall, causing wet walls.
Under normal circumstances, due to the high temperature of the engine and the action of the crankcase forced ventilation system, this small amount of gasoline will enter the combustion chamber through the crankcase forced ventilation system and re-burn, and will not cause fuel dilution.
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Anonymous users2024-02-06The reasons for the increase of engine oil are: 1. The engine oil is mixed with gasoline or water in the process of driving, due to the poor sealing of the piston or cylinder, the mixture gas enters the crankcase, and when the temperature drops, the gas will liquefy into liquid, and flow back to the oil pan to increase the oil oil, which is mixed with water in the oil; 2. The increase in the oil volume of the engine component mechanism is related to the engine component mechanism, the cylinder pressure is insufficient, and the cylinder sealing is not good, which will reduce the engine power and make it difficult to start; 3. In the cold start, a thicker mixture is required, so the fuel injector will also spray more gasoline, and this sudden difference also makes the remaining gasoline flow back into the oil pan.
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Anonymous users2024-02-051.The waterway and oil circuit of the engine are separated, but if the cylinder gasket is damaged, the lower seal of the cylinder liner is damaged, the cylinder liner is cracked or there are pores, and the sealing material is aged or corroded, it will cause water vapor or coolant to enter the crankcase and mix with the oil, resulting in oil emulsification.
2.Gasoline mixed into the engine oil If too much gasoline is injected into the cylinder or the atomization is not complete, it will cause the fuel to be leftover, and after cooling, oil droplets will form on the inner wall of the engine, enter the crankcase through the oil ring, and end up mixed with the engine oil. As a result, the oil is diluted, so the oil volume increases abnormally, resulting in a higher oil level than normal. .
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Anonymous users2024-02-04Hello The causes of the increase in engine oil are: the increase in oil volume caused by water or gasoline ingress, and the problem of the engine components. When the car is in a posture during the operation, if the cylinder or piston is not well sealed, the mixed gas enters the fuel tank, and the temperature drops and it will liquefy, causing the oil level to rise.
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Anonymous users2024-02-03Hello, regarding such issues, 1The waterway and oil circuit of the engine are separated, but if the cylinder gasket is damaged, the lower sealing ring of the cylinder liner is damaged, the cylinder liner is broken or there are pores, and the sealing material is aged or corroded, etc., it will cause water vapor or cold vertical fluid to enter the crankcase and mix with the oil, resulting in oil emulsification.
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Anonymous users2024-02-02Hello, the current number of people consulted may not reply in a timely manner, if it is a vehicle failure problem, it is recommended to use the computer to detect the specific cause of the failure, search for "car master" can be consulted at any time to ask the car to ask the question, 24 hours ** answer.
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Anonymous users2024-02-01That is, the oil temperature cannot rise in the low temperature environment, and the oil-oil separator cannot work normally, and at this time, the engine has to inject more fuel to maintain the speed, resulting in fuel seeping into the oil. The summary is that gasoline is mixed into the oil tank.
The engine oil increases, and most of it is not the engine oil but gasoline and water vapor, and the engine oil is easy to emulsify and deteriorate, causing wear and tear and even pulling the cylinder. In addition, there is too much oil, and the engine becomes heavier.
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