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The most common cause of car shake is the throttle.
Too dirty or too much carbon build-up in the injector. In this case, the only way to do this is to wait until the carbon is deposited.
After the gasoline adsorbed on the carbon deposit will be sucked into the cylinder by the vacuum suction of the engine for combustion, and the mixture will become thicker, and the combustible mixture of the engine will be dilute and sometimes thick, resulting in cold start.
Rear idling jitter. At this time, the owner should clean the oil circuit, and at the same time, he should also check whether the idle motor has carbon deposits and should be cleaned.
It is also related to engine oil, which shows that the function of engine oil to clean carbon deposits is not very strong, it is recommended to use fully synthetic engine oil, and the unified titanium Heneng series of fully synthetic oil is good, and the effect of cleaning carbon deposits is very good. With the right oil, you can save a lot of money on engine maintenance.
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There are many possibilities for car engine shaking, such as lack of cylinders in the engine, excessive carbon deposits in the car engine, and poor quality of the oil added to the car may lead to the old shaking of the car engine.
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Recently, the engine has been shaking, does it have anything to do with the oil used? There are generally several situations of engine idle jitter, gear start jitter, cold start, three-way catalytic temperature is not enough, the most common reason for serious engine carbon deposition causing car jitter is that the throttle valve is too dirty or the fuel injector is too much carbon deposit, because the gasoline adsorbed on the carbon deposit after the car is sucked into the cylinder by the engine for combustion, and the combustible mixture of the engine is dilute and thick, resulting in idle jitter after cold start. Workaround:
The company has a general idle shake fuel additive to clean the oil circuit, check whether the idle motor has carbon deposits should be cleaned.
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It has little to do with engine oil.
Engine idle jitter is caused by insufficient power output when running at low speeds, and there are many possible triggers, such as poor oil circuits, sensor (intake pressure, air flow, etc.) signal failure, engine computer failure, ignition system wiring failure, etc.
It is recommended that you find an experienced master and rule out the screening one by one.
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1. Use fully synthetic engine oil, such as 5w-40, but the cost will be twice as high as 10w-30. But the effect is obvious, and it is easy to have a sense of dependence.
2. Check the engine spark plug model and aging, ignition matching problem 3, ignition coil failure, cylinder loss.
4. Maintain clear fuel injectors, throttles and other parts.
Please troubleshoot at once.
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There is a certain relationship! I've also seen the oil change and everything works fine, as long as it stops! At the start, it will fly ..The same goes for changing the oil pump! It's just a diesel engine!
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It doesn't have much to do with it, it has to do with the speed control system.
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The engine oil needs to be changed regularly to ensure the normal driving of the car, what happens if the engine shakes after changing the oil? Normally, the engine will not shake when the oil is newly changed, but the phenomenon of shaking may be caused by too much oil added and flowing into the combustion chamber. Or there are too many impurities in the engine oil, and the oil is not suitable for this car, etc., which will cause the engine to shake.
At this time, you can clean the fuel injector, change the appropriate oil, and be sure not to use inferior engine oil cheaply, which will hurt the engine of the car and outweigh the losses. You can try to check the engine, or do a good job of maintaining the engine, change the oil filter and change it to the right oil, so that it will not cause the engine to shiver.
The engine oil can help the engine work better, and the problem should be investigated in time to avoid serious engine wear and tear. When the car travels to a certain number of kilometers, according to the condition of the car itself and the quality of the oil, it is decided when to change the oil to make the car work better.
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Engine shake is related to gasoline. Lower-grade gasoline will knock and the engine will shake. It is recommended to remove the fuel tank and clean the empty gasoline.
The causes of engine shake are as follows:1. Cylinder recess:
If a cylinder does not work well, there will be a lack of cylinder and the engine will shake. Three-cylinder engines are the most obvious, followed by four-cylinders. Check the cylinder pressure with the cylinder pressure gauge and solve the problem of low pressure with NWB.
2.Carbon and grease blockage: The throttle, idle valve, and air intake will be clogged with carbon and grease for a period of time, and the air intake will be clogged, affecting idle stability and jitter.
3.Fuel injector is blocked: The fuel injector of the EFI truck is a key component of automobile fuel injection, and the service life is very long, reaching hundreds of thousands of kilometers.
However, due to the fact that there is a gel in the gasoline that will block the injection hole of the injector, the injection volume of each injector is inconsistent, resulting in the inconsistent work of each cylinder and the engine shaking. 4.Water temperature anomalies:
Common causes of malfunction are jitter caused by insufficient antifreeze, faulty thermostats, faulty fans, and inaccurate thermoswitches. The above faults can be eliminated. 5.
High-voltage line break: High-voltage line break refers to the breakage of the conductor core of the high-voltage line, which will affect the ignition and cause the engine to shake. You can measure the resistance with a multimeter and swap out the ones that are significantly several times greater.
6.Spark plug: The spark plug has a long life, and the ignition efficiency will decrease significantly after more than 3-40,000 kilometers, which will affect the ignition.
This is the most common fault, so replacing all spark plugs is sufficient. 7.Empty dirty air filter:
The air filter is designed to protect the engine from wear and tear, and it is generally replaced in about 10,000 kilometers. If it is not replaced in time, the engine will shake due to low idle speed due to insufficient air intake, which can only be solved by replacing the filter element.
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Pre-engine oil dissipation and refill: If there is too much oil, the extra oil will easily enter the combustion chamber (the internal pressure is too high) and produce colloidal 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 the situation of idle shaking, so it is necessary to replace a new exhaust valve in time, so that it can be solved, and the problem of idle jitter after changing the engine oil can be solved.
Extended Materials. The exhaust of a diesel engine is basically the same as that of a gasoline engine, except that the exhaust temperature is lower than that of a gasoline engine. General TR = 700 900K.
For single-cylinder engines, their rotational speed is uneven, the engine works unsmoothly, and the vibration is large. This is because only one of the four strokes is work-done, and the other three are those that consume power in preparation for work.
To solve this problem, the flywheel must have a large enough moment of inertia, which in turn leads to an increase in the mass and size of the entire engine. The use of multi-cylinder engines can compensate for the above shortcomings. Modern automobiles mostly use four-, six- and eight-cylinder engines.
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1.Engine knocking was destroyed. It is a sound similar to metal knocking, which can also be said to be a knocking cylinder liquid pin, and the cause of failure can be divided into three types:
a. The fuel is unqualified, and the inferior fuel or the fuel with too low grade is used. b. Engine timing control error, such as ignition advance angle is too large, etc., readjust the timing. c. Too much carbon deposition inside the engine.
2.Abnormal valve noise. After the car, the engine "clicks", which is the sound of the valve, especially after the cool car lands, because the oil pressure has not gone up at this time, and the valve has not been lubricated in place, so it will be fine after a while.
If your car is parked for a long time, you will have this kind of situation. If this sound keeps ringing.
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