Clean spark plugs regularly to maintain optimum conditions
2021-05-02
The function of the spark plug is to introduce the high voltage pulse generated by the ignition coil into the combustion chamber, and use the spark generated by the electrode to ignite the mixture to complete the combustion. Usually, spark plugs are rarely touched by car parts that the owner touches. After the sale of Guangqi Toyota Yangjiang 4s shop, the master Huang reminded the owner that when the car is driven to a certain mileage, the spark plug will produce carbon deposits to increase engine fuel consumption, or the electrode gap increases, causing difficulty in starting, and often checking and maintaining the spark plug can be prolonged. The service life of the engine.
The electrode gap is too large to be replaced
It is understood that the spark plug electrode gap size is its main working technical indicators. If the gap is too large, the high voltage generated by the ignition coil and the distributor may be difficult to skip, which may make it difficult to start the engine. If the clearance is too small, sparks may be weak and leakage may occur.
"The new spark plug electrode gap of 1 to 1.1 mm." Huang said the old spark plug maximum electrode gap of 1.3 mm, the owner checks the spark plug electrode gap, such as the gap is greater than the maximum, you need to replace the spark plug. "Spark plugs produce carbon in normal use. This is a normal phenomenon, but if it is not cleaned for a long time, it will accumulate. The result is that the electrodes may not even ignite due to leakage," Huang added.
When cleaning the electrode, note that when there is no oil on the electrode, use a spark plug cleaner to clean the spark plug. However, if there are traces of organic oil on the electrodes, use gasoline to wash off the oil before using the spark plug cleaner. Never use a wire brush to clean the spark plug.
High-priced and durable spark plugs
According to reports, the spark plug by the center electrode material can be divided into nickel-copper, platinum, platinum spark plugs and other several. The prices of spark plugs on the market are usually ranging from a few yuan to nearly one hundred yuan. Among them, nickel-copper spark plugs are the cheapest, and sheet metal spark plugs have the highest price.
“The spark plug with excellent performance can improve the power performance of the vehicle. At present, the original spark plug of some brand cars is a sheet metal spark plug and can usually be driven for more than 100,000 kilometers before it needs to be replaced.” Huang Shi introduced, the spark plug with good material generally has a longer service life. , but the owner's driving habits will also directly related to the length of life of the spark plug. Less brakes are usually used to make the vehicle run more smoothly and the spark plug's service life will be extended.
Driving crashes need to check spark plugs
"Once the following performances of the vehicle occur, it may be caused by the aging of the spark plug." Huang pointed out that there are two common types of spark plugs: one is severe ablation, such as the electrode melting and the insulator is white, the electrode Rounded and scarred insulators, cracked insulator tops and grayish black stripes; the other is spark plugs with deposits, such as spark plugs with oily deposits, black deposits.
In addition, if the owner of the vehicle finds it difficult to start the vehicle in a cold state, there is a noticeable sense of frustration, jerkiness, or degraded engine acceleration.
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