Whether or not to replace the spark plug after the car has been used for 50,000 kilometers depends on the material of the spark plug. If it is an iridium spark plug, there is no problem if it is not replaced for 5 years. After all, its life span can reach 60,000 to 80,000 kilometers. If it is a resistance spark plug, it needs to be replaced every 20,000 kilometers, and a platinum spark plug needs to be replaced every 40,000 kilometers.
Therefore, if the original car does not change the spark plug for 50,000 kilometers, whether it will affect the car depends on the material. If it is within the required warranty period of the material, it must be no problem. However, if the shelf life of this material is exceeded, then the car is likely to appear in some abnormal state.
If it is still normal after five years of use, and there are no problems or hidden dangers, then it is no problem not to replace it, but it should also be checked regularly.FindIf there is a problem, it should be replaced in time.
If there is a problem with the spark plug, but not replacing it, it may cause a lack of power. Not changing the spark plugs for a long time may lead to increased gasoline consumption and inaccurate ignition timing. In addition, it will also aggravate the carbon deposition of the car. If the carbon deposition is serious, it may cause problems with the engine and cause the engine to knock.
When replacing the spark plugs, we'd better go to a repair shop or a 4S shop and ask special staff to help us. They will handle them better and more reliable. It is relatively difficult for us to replace them by ourselves.
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