More than 50,000 to 80,000 kilometers are exchanged. 1. The service life of the spark plug is about 20,000 kilometers, the service life of the platinum spark plug is about 40,000 kilometers, and the service life of the iridium spark plug can reach more than 60,000-80,000 kilometers; 2. The aging of the spark plug will lead to an increase in fuel consumption, so The auto repair shop usually proposes to replace it after more than 20,000 to 30,000 kilometers.
The most intuitive way to check whether the spark plug is in good condition is to take it out. A healthy spark plug electrode should be light yellow. If the electrode is gray-black, it may be that the proportion of the mixed gas is wrong. When replacing the spark plug, or taking out the spark plug and putting it back in again, remember to wipe the sealant on the thread part of the spark plug, and tighten it with a torque of 18N·m, and connect the corresponding high-voltage wire. How far to replace the spark plug depends on the material of the spark plug, and the working environment also affects the service life of the spark plug to a certain extent. In addition, you must go to a 4S shop to replace the spark plug, and never replace it by yourself. Because it is always in contact with the current and has to experience repeated ignitions, the working environment of the spark plug is very harsh, and wear and carbon deposits will occur, so it needs to be replaced regularly.
