Spark plugs are indispensable parts in car engines. Many car owners always report that their spark plugs will have a lot of problems, and they often break before they are used for a long time. The price of checking in 4S shops is very expensive, then Is there any way for us car owners to check whether the spark plug of the car is faulty? In fact, car owners can do the self-checking, the method is as follows:

1. Disassembly: Disassemble the high-voltage branch line on the spark plug according to the order.

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2. Remove one by one, and mark the original position to avoid misplacement of installation. During disassembly, please remove the dust and debris from the spark plug hole in advance to prevent debris from falling into the cylinder. When disassembling, use the spark plug sleeve to cover the spark plugs, turn the sleeve to remove them, and arrange them in sequence.

3. Inspection: Generally speaking, the electrode color of a normal spark plug is off-white. If the color turns black, the possibility of damage is extremely high. During inspection, the spark plug can be connected to the cylinder block,

Use the central high-voltage line to touch the terminal, turn on the ignition switch, and observe the position of the electric jump. If it is in the spark plug gap, then it indicates that the spark plug is normal, otherwise it needs to be replaced.

How to replace the spark plug? Generally speaking, the spark plug can be replaced when the vehicle travels for 20,000 or 30,000 kilometers. The spark plug itself is a consumable part, so don't be stingy with the money of a spark plug. When replacing the spark plug, choose a cold or hot type according to the actual usage.

Finally, remind the majority of car owners that the spark plug must be cleaned regularly. Generally speaking, the spark plug can be cleaned when there is oil or carbon deposits. However, please pay attention to avoid using flame grilling when cleaning, so as to avoid Damage to the spark plug.