How often does Chang 'an Ling Xuan spark plug change?

Under normal circumstances, the service life of spark plugs in Changan Ling Xuan is less than 20,000 kilometers. In addition, it can be judged whether to replace the spark plug in advance or shorten the manual "standard" according to the fault phenomenon of the spark plug. The common faults of spark plugs can be summarized into two types: one is serious erosion of spark plugs, and the other is deposits in spark plugs. Spark plug ablation When the owner finds that the tip of the spark plug is scratched or damaged and the electrode is melted and ablated, it means that the spark plug has been damaged, and the spark plug should be replaced at this time.