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How many kilometers should the spark plugs of the Envision be replaced?

1 Answers

JackRose

07/29/25 6:59pm

Envision spark plug replacement cycle: Under normal maintenance conditions, replace after driving 40,000 to 60,000 kilometers. However, due to differences in brands and engines, it may vary. It is recommended to follow the user manual. You can refer to the following standards for maintenance replacement: Platinum spark plugs should be replaced at 40,000 kilometers, ordinary nickel alloy spark plugs at 20,000 kilometers, and iridium spark plugs at 60,000 to 80,000 kilometers. How spark plugs work: The spark plug's ground electrode is connected to the metal shell, which is threaded into the engine block via the cylinder head. The insulator mainly serves to isolate the metal shell and the central electrode. The terminal nut is the part of the spark plug that contacts the high-voltage coil. When current passes through the terminal nut and the central electrode, it ionizes the medium between the central electrode and the ground electrode to produce a spark, thereby igniting the air-fuel mixture in the cylinder.

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