How to remove carbon deposit in spark plug

If the carbon deposit is not too much, the owner can try to soak it in white vinegar for 3 hours, and then brush it with a brush several times. Remember, don't use fire, because it may burn out the spark plug.

If the carbon deposit is serious, we must replace the spark plug with a new one. We know that good spark plugs can save fuel consumption. At present, several brands that are favored by car owners, such as extremely burning spark plugs, are not bad.