Can Changing Spark Plugs Save Fuel?

1 Answers
AvaAnn
07/25/25 2:39pm
Changing spark plugs can save fuel. Spark plugs are crucial components of a gasoline engine's ignition system. They introduce high-voltage electricity into the combustion chamber, creating a spark across the electrode gap to ignite the air-fuel mixture in the cylinder. Spark Plug Replacement Interval: Under normal maintenance conditions, spark plugs should be replaced every 40,000 to 60,000 kilometers. However, this may vary depending on the brand and engine type. It is recommended to follow the vehicle's manual. Here are some general guidelines for replacement: platinum spark plugs at 40,000 km, standard nickel alloy spark plugs at 20,000 km, and iridium spark plugs at 60,000 to 80,000 km. Effects of Faulty Spark Plugs: Damaged spark plugs can directly cause issues such as ignition system leakage, increased fuel consumption, and reduced engine power. The most significant problem is difficulty in starting the engine, which affects the vehicle's normal operation. Severe spark plug erosion, including electrode pitting, breakage, or melting, indicates that the spark plug is damaged and should be replaced.
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