Does Audi need to replace spark plugs at 20,000 kilometers?

1 Answers
McTalia
07/30/25 9:07am
Audi does not require spark plug replacement at 20,000 kilometers. The replacement interval for Audi Q5 spark plugs: Under normal maintenance conditions, replacement is recommended at 40,000 to 60,000 kilometers. However, this may vary depending on the brand and engine type. It is advisable to follow the owner's manual. You can refer to the following maintenance standards: Platinum spark plugs should be replaced at 40,000 km, ordinary nickel alloy spark plugs at 20,000 km, and iridium spark plugs at 60,000-80,000 km. 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 primarily serves to isolate the metal shell from the center electrode. The terminal nut is the part that contacts the high-voltage coil. When current passes through the terminal nut and center electrode, it ionizes the medium between the center electrode and ground electrode to generate a spark, thereby igniting the air-fuel mixture in the cylinder.
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