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Why Should You Use Car Air Conditioning ECO Mode with Caution?

1 Answers

Harris

07/30/25 9:55am

Keeping the ECO mode on for extended periods, while reducing fuel consumption, can accelerate the buildup of engine carbon deposits. This is not beneficial for the engine; instead, it increases the engine's stress and may lead to higher fuel consumption later. Therefore, although the ECO mode saves fuel, it should be used selectively. Additionally, car owners should remember to clean carbon deposits promptly. The Principle of ECO Mode: ECO mode primarily makes comprehensive judgments and analyses during vehicle movement regarding factors that influence fuel consumption, such as automatic transmission gear position, engine speed, vehicle speed, braking, and transmission oil temperature. The ECU control unit calculates the optimal fuel quantity to supply the engine for operation, effectively reducing fuel consumption compared to normal driving modes. Simply put, it controls the engine's speed at reasonable gear positions to minimize unnecessary fuel consumption. When to Activate ECO Mode: ECO mode works best when activated in congested urban traffic conditions. In such scenarios, strong power is not required, and the frequent stops and starts lead to higher fuel consumption. Activating ECO mode in these conditions not only reduces fuel consumption but also enhances driving comfort.

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