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Go to the repair shop to check the boost power. A diesel engine is an internal combustion engine that uses diesel as fuel. Diesel engines belong to compression-ignition engines, and they are often referred to as Diesel engines after the name of the main inventor, Diesel.
When the diesel engine is working, the air in the cylinder of the diesel engine is sucked in, and it is compressed to a higher degree due to the movement of the piston, reaching a high temperature of 500 700.
The fuel is then sprayed into the high-temperature air in the form of a mist, and mixed with the high-temperature air to form a combustible mixture, which automatically ignites and burns. The energy released during combustion acts on the top surface of the piston, pushing the piston and converting it into rotating mechanical work through the connecting rod and crankshaft.
In 1922, Bosch in Germany invented a mechanical injection device, which gradually replaced air injection. In the late 20s of the twentieth century, high-speed diesel engines appeared, and they began to be used in cars. In the 50s, some new serialized and generalized diesel engines with more perfect structural performance developed, and since then diesel engines have entered the stage of specialized mass production.
Especially after the adoption of exhaust gas turbocharging technology, diesel engines have become the most important part of modern power machinery.
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Summary. If the diesel car in the annual inspection of the power is insufficient, then it means that your vehicle driving capacity is insufficient, this situation mainly considers two reasons, on the one hand, because your engine power is really not good, on the other hand, your transmission system has slipped, such as clutch slippage or gearbox slippage, will lead to a decrease in driving capacity. If the engine power is insufficient, you generally need to check the oil pressure of your oil pump, and at the same time you need to test whether the cylinder pressure is normal.
If the clutch is slipping, you need to replace the clutch three-piece set and check whether the clutch return is normal.
If the diesel car in the annual inspection of the power is insufficient, then it means that your vehicle is not enough to drive the rock moving capacity, this situation is mainly considered for two reasons, on the one hand, because your engine nuclear power is really not good, on the other hand, your transmission system has slipped, such as the clutch slip or the gearbox slip, will lead to a decrease in driving capacity. If the power of the starting bird machine is insufficient, you generally need to check the oil pressure of your oil pump, and at the same time you need to test whether the cylinder pressure is normal. If the clutch is slipping, you need to replace the clutch three-piece set and check whether the clutch return is normal.
What should I do if the power of diesel vehicles is not up to it?
This needs to be repaired to the engine, whether the profit is normal and at the same time clean up the carbon deposit, and test whether the cylinder pressure is normal.
The accelerator pedal is pressed to the end before turning to 2500 rpm, and after the ignition is turned off, it can be normal again, and then the acceleration is useless, about 2500.
Then you should not have enough pressure from the high-pressure oil pump to do this.
No problem with the fuel injector! Could this be the case if the diesel filter is clogged?
Yes, this is all due to oil pressure problems.
What do you think is the reason for the more likely reason?
This must be to check the diesel filter first, I feel that it is a problem with the oil circuit.
Ask about custom messages].
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The wheel power can not reach the rated value, the reasons are many, carbon deposits, oil pump, fuel injector wear, poor transmission mechanism, insufficient diesel labeling, insufficient combustion, etc., will lead to small wheel power.
Wheel power can be increased in the following ways:
1. Increasing the load of the vehicle during detection, or reducing the tire pressure, can increase the friction between the tire and the chassis dynamometer, and reduce the power loss during the detection, which is a method to improve the wheel power in disguise.
2. Adjust the amount of fuel injection, so that the amount of fuel injection per unit time increases, is the most direct way to increase the power, for the wheel power missing more vehicles, can only get the green mark through this method. When the amount of fuel injected is increased, the smoke value will increase significantly, and it is necessary to increase the smoke content to reduce the smoke level.
3. Increase the power by adding mechanical supercharging.
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Summary. Whether the diesel engine can produce the due power is mainly determined by the quality of fuel combustion in the cylinder. And the factors that affect the combustion quality are:
1.The fuel system is not working well. The main reasons are insufficient oil supply of the fuel injection pump, incorrect oil supply time and wear of the plunger pair and check valve.
2.The technical state of diesel engines declined. After long-term work of the diesel engine, the moving parts are worn, the matching gap increases, especially the sealing of the combustion chamber components deteriorates, and the leakage increases, such as the wear of pistons, piston rings and cylinder liners, which makes the compression force in the cylinder insufficient, which not only affects the combustion quality, but also greatly increases the energy loss, resulting in the difficulty of starting the diesel engine and the decrease of power.
3.The air intake pipe or air filter is clogged, making the air intake insufficient; There is too much carbon accumulation in the exhaust pipe, so that the exhaust gas can not be exhausted; The valve clearance is too large or too small, the valve spring is broken or the stiffness is not enough, etc.
Insufficient annual inspection power of diesel vehicles?
Hello, I have seen your question and am sorting out the answer, please wait a while Unknown male.
Is it a problem on the oil road, or is it a problem with the engine door?
Whether the diesel engine can produce the due power is mainly determined by the quality of fuel combustion in the cylinder. The factors that affect the combustion quality are:1
The fuel system is not working well. The main reasons are insufficient oil supply of the fuel injection pump, incorrect oil supply time and wear of the plunger pair and check valve. 2.
The technical state of diesel engines declined. After long-term work of the diesel engine, the moving parts are worn, and the gap increases, especially the sealing of the combustion chamber components becomes poor, and the leakage increases, such as the piston, piston ring, and cylinder liner wear, so that the compression force in the cylinder is insufficient, which not only affects the combustion quality, but also greatly increases the energy loss, resulting in the difficulty of starting the diesel engine and the decrease in power. 3.
The air intake pipe or air filter is clogged, making the air intake insufficient; There is too much carbon accumulation in the mold lift in the exhaust pipe, so that the exhaust gas is exhausted; The valve clearance is too large or too small, the valve spring is broken or the stiffness is not scattered enough, etc.
The oil circuit and valve are still poor, is the school oil pump useful? Useful.
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Change the diesel filter, change the diesel, and put sandbags in the car to load the heavy! Put the tires in your car! That's it.
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The application of liquid pressurization technology, clean combustion, cylinder purification, wheel power improvement, emission environmental protection level in the world.
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The throttle line is adjusted only when the throttle cannot be stepped on, and it is useless if the throttle can be stepped on the throttle line. This problem is the phenomenon of insufficient power (that is, no force), if the smoke is not large, you can adjust the oil supply of the oil pump to a higher level, and try again.
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Triple trucks in the country of use: install a special vaporizer in the intake tract, and inject the "diesel engine liquid booster" into the intake air premix, which can greatly improve the wheel power under the premise of ensuring that the emission level exceeds the "Beijing five", please see the following exhaust pollutant test report example.
Traditionally, due to the different structures of gasoline engines and diesel engines, gasoline engines often belong to high-speed engines, which are faster in the long run, while diesel engines are low-rpm and high-torque engines, which are generally used for trucks, etc., but now each engine has developed greatly, so their respective advantages and disadvantages are not very obvious.
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