How often should the spark plugs be replaced in the third-generation Volkswagen EA888 engine?

[StRonan]

The third-generation Volkswagen EA888 requires spark plug replacement every 20,000 kilometers. Spark plug replacement interval: Under normal maintenance conditions, spark plugs should be replaced after driving 40,000 to 60,000 kilometers. However, this may vary depending on the brand and engine type, so it's recommended to follow the owner's manual. You can refer to the following maintenance standards: Platinum spark plugs should be replaced at 40,000 kilometers, standard nickel alloy spark plugs at 20,000 kilometers, and iridium spark plugs between 60,000 to 80,000 kilometers. Effects of faulty spark plugs: Damaged spark plugs can directly cause issues such as electrical leakage in the vehicle's ignition system, increased fuel consumption, and reduced power. The most significant problem is difficulty in ignition, which affects normal vehicle operation. Severe spark plug erosion - including pitting, damage, or melted electrodes - indicates the spark plug is damaged and should be replaced. Symptoms of faulty spark plugs in a car: Damaged spark plugs may cause the following issues: difficulty starting the engine, reduced power, excessive exhaust emissions, and increased fuel consumption.