How are they used?

In addition to carbon buildup and oil leakage, black spark plugs can also be caused by overheating. If the engine is running too hot, it can cause the electrodes on the spark plugs to wear down and become coated in carbon deposits. This can lead to poor engine performance and reduced fuel efficiency. It is important to monitor the engine temperature and address any overheating issues promptly to prevent damage to the spark plugs.

cmr5h spark plug. A strong and consistent spark helps to ensure that your engine runs smoothly and efficiently, reducing the risk of misfires and other issues that can affect performance.