The regular maintenance of the traditional engine oil replacement three filters cannot meet the maintenance requirements of the closed-loop EFI engine. At present, more than 90% of in-use car engines are not working properly, and are in a sub-healthy working state with increased fuel consumption, decreased power, and excessive exhaust gas.
The main factors that cause the engine to work abnormally are: poor fuel oil quality, the use of manganese-containing antiknock agent MMT, the use of ethanol gasoline in some areas, the use of sulfur or phosphorus antioxidants in lubricants, and road congestion.
Due to the above environmental factors, the following problems will occur in the engine for a certain mileage: the intake valve and the combustion chamber have deposits; the oxygen sensor and the three-way catalyst are poisoned; the three-way catalyst is blocked; and the EGR valve deposits are stuck. After the disassembly of a 16,000km Xiali engine, the author found that the cylinder head and valve had more manganese deposits, and the surface of the oxygen sensor was completely covered by manganese deposits.
Why the engine is not working properly
The engine does not work normally for a long time and cannot be solved for a long time. It is mainly due to the defects of the traditional periodic maintenance. The traditional periodic maintenance method of changing the oil and the three filters is limited to the maintenance of the lubrication system, which cannot meet the full range of engine lubrication systems, intake systems, combustion systems, and exhaust systems. Maintenance requirements, especially the cleaning and maintenance of exhaust system exhaust control devices, have long been a blank. Therefore, it is impossible to guarantee the normal operation of the engine under the current fuel, lubrication and road conditions; the normal operation of the vehicle with the OBD device cannot be guaranteed. It cannot solve the engine's poisoning failure due to intake valve, combustion chamber deposits, oxygen sensor, three-way catalyst, three-way catalysis Fuel consumption increases due to problems such as clogging of the EGR valve and stagnation of EGR valve deposits.
Why choose car engine all-round regular maintenance
Abnormal engine operation will have the following impact on you: increase fuel consumption by at least 10%, which greatly increases your operating costs. The annual inspection of vehicle exhaust emissions can not be passed normally, increasing your annual inspection cost of exhaust gas; greatly reducing the oxygen sensor and three-way catalyst of the vehicle The service life of the device increases your maintenance cost; in addition, the vehicle exhaust laser remote monitoring car of the Beijing Environmental Protection Bureau has begun to work on the road, and your car will be fined for environmental violations.
The "engine all-round regular maintenance" project is a green environmental protection conventional maintenance method for automobile engines launched by the China Automotive Emissions I / M Operation Mechanism Research Group. It adds the engine comprehensive working condition detection and ternary cleaning and maintenance on the basis of the conventional maintenance of replacing the oil three filters. Because it can meet the comprehensive maintenance requirements of the engine lubrication system, intake system, combustion system, and exhaust system, especially the cleaning and maintenance requirements of the exhaust gas control device of the exhaust system, it can restore and ensure the best fuel consumption and power working state of the engine; It can maintain the best vehicle exhaust emission level; it can prevent and solve various problems that are prone to the engine under the conditions of current fuel, lubrication, and road conditions. It is the only one that currently meets the I / M system; it complies with the national environmental protection policy; Required conventional maintenance methods.
Car engine all-round regular maintenance cycle
It is recommended to carry out all-round regular maintenance of the automobile engine every 5000km or every 3 months under current fuel, lubrication and road conditions. All-round regular maintenance for the engine, the scope covers all systems of engine lubrication, intake, combustion, exhaust and so on.
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