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Engine spark plug (Car Chicago: How to replace the engine spark plug?Walletinvestor digi plus) The engine spark plug is one of the important components of the automobile engine. Its function is to generate electric sparks, ignite the fuel and air mixed in the cylinder, and make the car engine run normally. As the use time of the car increases, the spark plug will gradually age and lose the normal working effect, resulting in various engine failures. Therefore, replacing spark plugs regularly is an important part of car maintenance. This article will introduce how to replace the engine spark plug. 1. Check the car manual: Before replacing the spark plug, check the car manual first. Because the specifications and replacement methods of spark plugs are different for each model, you need to refer to the instructions in the car manual, otherwise you may choose the wrong spark plug model or replacement method, resulting in engine failure. There are generally detailed instructions and pictures in the car manual to guide users to replace spark plugs.Two. Prepare the necessary tools: Replacing spark plugs requires special tools to complete. These tools include spark plug wrenches, wrench extension rods, magnetic vacuum cleaners, anti-static gloves, etc. These tools can be purchased at car repair shops or online. Before replacing the spark plug, you also need to prepare some cleaning liquid and soft cloth to clean the spark plug holder and the surrounding area. 3. Replace the spark plug: To replace the spark plug, you need to turn off the car engine first and wait for the car to cool down completely. Then use the spark plug wrench and the wrench extension rod to tring the aging spark plug. Before removing the spark plug, you need to clean the iron shavings and debris on the spark plug seat with a magnetic vacuum cleaner to keep it clean. Choose a new spark plug of a suitable model, apply an appropriate amount of lubricating oil or rust inhibitor, and then insert it into the spark plug seat and gently tighten it by hand. The last useThe spark plug wrench tightens the spark plug, but do not use too much force, which will cause the spark plug to break or damage the spark plug seat. Four. Check the effect of the spark plug: After replacing the spark plug, you need to restart the car to keep the engine running. Check the effect of the new spark plug and observe whether the spark of the electrode ignites the mixed gas normally. If the spark is large, it means that the spark plug has been replaced successfully and the engine is working normally. If the spark is small or there is no spark, it means that the newly installed spark plug is not working properly. It is necessary to check whether the connection of the spark plug is tight, or whether the spark plug is selected with the correct model and specification. In a word, replacing engine spark plugs is an important part of car maintenance and needs to be carried out regularly. If the replacement of the spark plug can be carried out, it can avoid various failures caused by the aging of the spark plug, so that the car engine can always maintain a normal working state.

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