What is the difference between turning on ECO and not turning on ECO in the 2021 X-Trail?

1 Answers
LeKaylee
07/29/25 8:06pm
Turning on ECO can reasonably control the engine speed through gear selection to reduce unnecessary fuel consumption. ECO mainly makes comprehensive judgments and analyses on conditions that affect fuel consumption during vehicle movement, such as automatic transmission gear, engine speed, vehicle speed, braking, and transmission oil temperature. The ECU control unit then calculates the optimal fuel quantity to be supplied to the engine for operation, effectively reducing fuel consumption compared to normal driving mode. In a few cases, it is unnecessary to turn on ECO: When the car is driving at high speed (up to 100km/h), even if ECO is turned on, the onboard computer will prioritize speed, and the ECO mode will automatically deactivate. When a large torque output is needed, such as when climbing a mountain, the engine computer will prioritize ensuring and providing sufficient power to drive the vehicle, and the ECO mode will automatically deactivate. Modes: Generally, it can be divided into two types: non-active ECO driving mode and active ECO driving mode. The non-active ECO driving mode mainly serves as a reminder and guidance function. The active ECO driving mode usually has a button, and after activation, a series of driving-related settings will change. For example, the throttle opening corresponding to the same accelerator pedal depth will be smaller (the accelerator becomes less sensitive), the transmission shift logic will be more focused on economy (shifting up earlier), and some vehicles will also adjust the air conditioning output power simultaneously.
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