What does car eco mean?

2 Answers
Silas
07/24/25 4:06am
Car eco refers to the activation of the fuel-saving mode, which works by comprehensively judging the automatic transmission gear, engine speed, and transmission oil temperature during vehicle driving, controlling the engine speed through gear selection, and calculating the fuel amount provided to the engine by the computer. Car eco includes two modes: active and passive. The former can be turned on or off by the driver, while the latter does not have a separate button. The impacts of car eco mode include: 1. Limiting engine output, making the power weaker and throttle response slower; 2. The engine operates at low speed and high load for a long time, accelerating the generation of carbon deposits.
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StMia
08/10/25 11:42pm
I worked at an auto plant for a while. 'Eco' is the abbreviation for the car's economy mode, with the full name being 'Economy Mode'. Its core is an intelligent management system that saves fuel by reducing unnecessary engine load. Specifically, when you press the Eco button, the onboard computer prioritizes optimizing driving parameters, such as reducing throttle sensitivity to make acceleration smoother; controlling the transmission to shift gears earlier, minimizing operation in high RPM ranges; and limiting the power consumption of the air conditioning system by lowering fan speed. This design is particularly useful in urban traffic conditions with frequent congestion. Studies show it can save an average of about 10% on fuel, but the trade-off is reduced power output, which might feel insufficient when overtaking or climbing hills. Overall, it's a technical energy-saving assistant, and its effectiveness can be further enhanced with regular maintenance.
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