Many friends have found that the more cars are cooked, the more fuel-efficient they are. In fact, as long as the maintenance and replacement of some parts are done, the age and fuel consumption are not necessarily linked.
First, diligently check the tire pressure and tire wear The tire pressure is too low, which will increase the friction between the tire and the ground, the resistance will increase, and the fuel consumption will increase. When the car's taxiing distance is noticeably reduced during driving, it should be checked whether the tire pressure meets the air pressure standard. The normal tire pressure is about 2.5bar, and it can be reduced 0.1bar in summer.
Also remember to check the degree of wear of the tires. If the tires are worn badly, slipping will often occur, and the fuel consumption will also increase. Generally every 50,000 kilometers, you must change a new tire.
Second, pay attention to oil products, clean up carbon deposit Many car owners do not pay attention to oil products, poor quality gasoline will increase carbon deposition, too much carbon will make the intake pipe wall rough, affect the intake effect and the quality of the mixture, Let fuel consumption rise sharply.
Therefore, the quality of gasoline can not be ignored, and it is necessary to clean up the carbon deposit every six months.
Three, 8-11 million kilometers of oxygen sensor replacement This is a ceramic element located on the engine exhaust pipe, used to detect and control the oxygen and fuel ratio. After a long time of use, the computer of the electronic fuel injection system cannot obtain information on the oxygen concentration in the exhaust pipe. The concentration of the mixture in the engine will tend to be high and the fuel consumption will also increase.
So check the condition of the oxygen sensor regularly. Usually it needs to be replaced when it is between 8-11 million kilometers.
Fourth, the regular replacement of the role of spark plug spark plug is to use high-voltage electrical spark ignition mixture. If it is damaged, the ignition energy will drop and the air-fuel mixture will burn unevenly, causing the car to slow down and fuel consumption to increase.
The life span of ordinary spark plugs is only 30,000-30,000 kilometers, the life span of a sheet-metal spark plug is about 50,000-80,000 kilometers, and the lifespan of a platinum spark plug can reach 100,000 kilometers!
Fifth, regular replacement of battery batteries to control the car circuit, and the circuit is closely related to the oil circuit. Because the average battery usage time will be 2-3 years, it will produce a loss of electricity phenomenon, resulting in the lack of starting voltage, the motor drive the engine powerless, so that the ignition energy becomes lower, fuel consumption so soared.
Therefore, do not think that the battery can continue to use without damage, in order to reduce fuel consumption must periodically replace the battery.
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