What to do if the engine shakes after changing the oil?

Oil filling: If there is too much oil, the excess oil can easily enter the combustion chamber (the internal pressure is too high) and produce gelatinous carbon deposits. Solution: Replace a new exhaust valve in time.

With the passage of time, the carbon deposition will definitely become more and more serious, not only the problem of idle jitter, but also the blockage of the three-way catalytic hole, resulting in excessive exhaust emissions (increased fuel consumption), and in serious cases, the phenomenon of burning engine oil may occur.

Damage to the exhaust valve: If the exhaust valve is damaged, there is definitely no way to control the amount of exhaust gas circulation. It will not only affect the stability of the intake air, but also cause idle shaking, so it is necessary to replace a new wastevalve in time, so that it can solve the problem of serious idle shaking after changing the oil.

The engine shakes after changing the oil probably because the oil is viscousWhen the mechanical resistance is large, the pressure in the cylinder increases, and there will be a cooing sound.

If the viscosity of the new engine oil is not suitable for the car, the fuel injector may be blocked, resulting in inconsistent fuel injection from each injector, resulting in inconsistent work of each cylinder and causing the engine to shake. The solution is to remove it and clean it.

Engine oil is not **, and impurities will cause carbon deposits.

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The idle valve and air intake hole will be blocked by carbon deposits, oil scale, and poor air intake, which will affect the stable idle speed and shaking. It is necessary to inspect and clean the above parts with cleaning agent, and there is no need to remove them for cleaning.

When choosing an engine oil, you should pay attention to the following four elements:

1. The selection of engine oil should be selected according to the requirements of the engine, and it is not necessary to use too high-grade engine oil on the engine with lower requirements, nor can the lower-grade engine oil be used on the engine with higher requirements.

2. Multi-grade oil should be selected as much as possible, because multi-grade oil has a good protective effect on the engine due to its saving, long life and high efficiency. Based on the characteristics of multi-grade oil, premature blackening and oil pressure may be smaller than that of ordinary oil during use, which is normal.

3. The quality of some domestic brand-name engine oil is quite good, and it is much lower than that of similar imported products, so it can be used with confidence, and there is no need to blindly pursue "foreign oil".

4. If the engine is in good condition and the temperature is low in season, the oil with low viscosity should be used as much as possible to make the oil circuit smooth. For example, in the high temperature season or under the condition of severe engine wear, the selection of high viscosity oil is conducive to the formation of oil film and reduces engine wear.

Hello, the engine shakes after changing the engine oil may be because the viscosity of the oil is high, the mechanical resistance is large, and the pressure in the cylinder increases. If the carbon deposit in the cylinder is serious, it will cause the spark plug to be blocked, and the valve will be blocked, which will directly lead to engine shaking! Of course, when changing the engine oil, you should choose regular brand engine oil, semi-synthetic and fully synthetic!

A little advice, I hope it helps, hopefully!

If the engine itself is fine, it is a problem with the oil, you can change some viscosity is more moderate, such as the fully synthetic lubricating oil of Aoqi, which has good low-temperature start-up, not only will not shake, but also reduce noise, and has a good maintenance effect on the engine.

1. Too much engine oil will cause engine oil leakage. Especially the front and rear oil seals leakage.

Second, adding too much oil will increase the resistance of the engine, resulting in idle shaking and increased fuel consumption.

3. More oil will make the piston ring easy to match, causing the engine to burn oil, the exhaust pipe to emit blue smoke, and the exhaust gas to increase.

Fourth, too much engine oil will make it difficult to start the engine. Also, the throttle is a little larger than when starting under normal conditions.

The engine shakes after the oil change may be because the new engine oil is not suitable for the car, the engine oil is not **, there are many impurities, and the oil is added too much or too little.

If the viscosity of the new oil is not suitable for the car, the injectors may clog, resulting in inconsistent injectors injecting, inconsistent cylinder work, and engine shaking. The solution is to take it away and wash it clean.

If the oil is not **, it contains a lot of impurities, which will lead to excessive carbon deposit. After a period of time in use, the throttle, idle valve and air intake will be clogged with carbon and grease, and the air intake will be blocked, which will affect the stability and jitter of idling. The above parts can be solved by checking and cleaning with a cleaning agent, and there is no need to remove and clean.

The engine cylinders have two scales. Too much or too little oil can cause the engine to shake. Unscrew the cap and look to see if the liquid level is within the range. If not, tweak it. If there is any, take out a little. If you have less, you will add it.

When buying engine oil, you should look for ** and check whether the oil model is suitable for your car. If you are afraid of buying a fake, you can go to the 4S store to change the oil, which is generally **.

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The reasons and solutions for engine shaking after changing the oil are as follows: 1. Oil filling volume: If there is too much oil, the extra oil will easily enter the combustion chamber (the internal pressure is too high) to produce gelatinous carbon deposits, and over time, the carbon deposits will become more and more serious, not only the problem of idle shaking, but also the three-way urging orange hole, resulting in excessive exhaust emissions (increased fuel consumption), and in serious cases, there may be a phenomenon of burning engine oil.

The solution is to replace the wastegate with a new one in time. 2. Damage to the exhaust valve: There is no way to control the amount of exhaust gas circulation when the exhaust valve is damaged, which will not only affect the stability of the intake air, but also cause idle jitter.

The solution is to replace the wastegate with a new one in time.