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List of Contents of this article:

• 1、What to do with the oil of the Guoliu Weichai engine
• 2, What's wrong with the powerless engine of Guoliu Weichai at the beginning and now it can only drive less than 20 miles?
• 3, What's wrong with the Guoliu natural gas Weichai engine and medium-cooled fuel injection?

What to do with the oil of the Guoliu Weichai engine

. Check that the exhaust pipe is not smooth. If it doesn't work, clean or replace it. Drive for a while to check whether the oil is missing and whether the exhaust pipe is still injecting oil. Measure the cylinder pressure, and the cylinder pressure is normal: that should be the burning oil caused by the aging and damage of the valve oil seal, and replace the valve oil seal. It is recommended to replace all oil seals.

If there is an oil leak, we should immediately contact a professional technician for repair. Once we find the problem of engine oil, we need to carry out careful inspection and repair. First of all, we can check whether there is any leakage of the oil filter. If so, we need to replace the oil filter.

Possible reasons: the cylinder, piston and piston ring wear exceeds the limit, or the piston ring is opposite, the piston ring is broken, the cylinder is pulled, the cylinder leaks into the crankcase, and the oil is blown out; the oil is added too much, the oil is stirred and discharged;... It is recommended to investigate and solve it from shallow to deep.

If it's just a drop of oil, the engine power performance can still guarantee normal operation, so it's not a serious problem.

The newly overhauled engine has some cases of burning lubricating oil, whichIt's normal. As long as you avoid the four taboos and often check the height of the coolant and lubricant, there should be no big problem.

Don't wait until there is a breakdown to pay attention to it. The consequences can be unimaginable. Secondly, it may also be because the valve rod and the valve duct are seriously worn, or the sealing is too poor, resulting in too large a gap, resulting in the situation of oil, which needs to be repaired in time.

What's wrong with the powerless engine of Guoliu Weichai at the beginning and now it can only drive less than 20 miles?

1. Check whether the engine cylinder pressure is normal and whether there is air leakage. Clean the oil circuit, replace the spark plugs, filters, etc. Check whether the four wheels are dragging brakes.Check whether the quality of the oil is good. If not, replace the new oil.

2. Insufficient oil supply. The fuel system should be able to spray well-atomized fuel into the cylinder in a timely and appropriate amount. If the fuel system fails and the amount of oil in the injector cylinder is small, the heat generated by combustion is reduced. When the heat is reduced to the point that it cannot meet the requirements of the engine load, the engine is weak.

3. The reasons for Chaiwei's engine's boring hill climbing are as follows: excessive carbon accumulation: it is recommended to check whether the engine has accumulated too much carbon, which may generally lead to excessive carbon accumulation. Insufficient oil supply: The fuel system should be able to inject atomized fuel into the cylinder in a timely and appropriate manner.

What's wrong with the Guoliu natural gas Weichai engine and medium-cooled fuel injection?

1. Improper maintenance: The correct method is not mastered during maintenance, and low-purity gasoline or fuel oil is used, which will cause damage to the Weichai Guoliu natural gas egr valve. It is necessary to maintain the EGR valve regularly, clean up the accumulated carbon, and use gasoline and fuel additives with the correct label.

2. Engine jitter and lack of cylinder. Common reasons include spark plug ignition failure, ignition coil leakage, internal short circuit of the electric coil causing intermittent non-jump. The rust of the engine exhaust pipe causes the exhaust pipe to make a poof, and the exhaust gas is discharged from the middle without passing through the exhaust pipe, resulting in abnormal engine noise.

3. Simply put, the engine is an energy conversion mechanism, that is, the thermal energy of gasoline (diesel) is converted into mechanical energy through dense, which is the most basic principle of the engine.

4. Check whether there is too little fuel in the fuel tank and whether the pressure in the fuel pipe is unstable.