Can spark plugs be used after cleaning?

Spark plugs can be used after cleaning, but it depends on how you clean them. The details are as follows:
1. For cleaning spark plugs, it is not recommended to use highly corrosive cleaning agents, and it is prohibited to use fire or scraping methods, otherwise the spark plugs will be damaged;
2. If the carbon deposit is not very serious, you can use white vinegar to soak it for 4 or 5 hours, then brush it, and then dry it before you can use it normally;
3. If the oil pollution and carbon deposits are serious enough to affect the performance of the car, it is recommended that the car owner replace them with new ones. Frequent replacement of new spark plugs can not only help the car increase its power, but also save fuel consumption.
As long as the spark plug itself is fine, it can be used normally after cleaning. However, be careful not to damage the spark plug during the cleaning process.
It depends on how you clean it. If you use a highly corrosive cleaning agent, it is recommended not to use it and replace it.