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What Is Eco Mode and How Does It Work?

The demand for improved car efficiency and fuel saving has led to the development of eco mode in the cars. With so many companies, making use of this technology in their car’s system, defines it as essential for the city conditions.

But, with this not so old technology, some people do not know what is eco light in car. Thus, to their help, the following guide has all, from the introduction of eco mode to its working principle in the car.

What is Eco Mode?

The term “Eco Mode” actually stands for the economical mode in the car. With its button on the left of the steering wheel, its function is to alter the certain features of the car mechanically. It is mainly used while driving so that maximum miles can be covered with a gallon of gas or a liter of fuel.

Technically, it inhibits the performance of transmission and engine, by reducing the throttle response in favor of fuel economy. Consequently, the acceleration of the vehicle becomes less responsive and leads to less fuel consumption.

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ECO MODE: How Things Work

It is hard to understand the eco meaning in car, while you first press it. Therefore, in this regard, let’s explore it’s working principle.

1. Car’s Computer Supporting System For Eco Mode

While driving, a person pushes the “Eco” button or makes use of navigation screen, in order to change from power to eco mode in the car. This action assists in improving the fuel efficiency, which is later enjoyed by the driver.

2. Technical Operation

The working of Eco mode in a car is mainly associated with the engine. In simple words, it automatically turns off the engine. For instance, the engine stops working on a pause at the traffic lights for any length of duration. And, as soon the clutch pedal is pressed along with the accelerator, it again starts the engine.

Working of eco mode
Technical operation of eco mode

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During this non-functional stage of the engine, it actually closes the throttle valve, which doesn’t allow the fuel to enter the piston, thus preventing its combustion. However, when a person restarts the car, it opens the throttle valve gradually, which again curbs the fuel ignition in the engine.

To understand the difference of its working principle, consider the operation of conventional mode also. In which, there is an increase in the fuel consumption on sudden acceleration. Whereas, in case of eco mode, even when the driver pushes the accelerator pedal suddenly, it doesn’t allow the throttle to open widely. Thus, by controlling the throttle opening, it restricts the entrance of fuel into the piston.

3. Other Operational Changes

Apart from this, in order to save additional energy, it lowers the shift points of transmission and regulates the AC compressor by putting it on automatic cut-off mode, while in use. Additionally, it reduces the brightness of the car’s light, thus making a move towards saving.

Eco mode issues
Uses of eco mode

So, after knowing about what is eco on a car and when to use eco mode , now it’s easy for you to detect its malfunctioning system. And in case of any such issue, it’s better to ask for the repair and its maintenance tips from an expert technician.

7 Comments
  1. Dalisomoyo Moyo says

    Is it advisable to put the automatic car in neutral on a slope to save fuel?

    1. Driver says

      No, definitely not!

      Depending on the gearbox:
      1) in Drive mode, when you drive downhill and release the gas pedal, the car should stay in gear, thus braking with the engine. It saves your brakes and the fuel consumption will be ZERO while coasting. It’s the same for manual gearboxes – you shouldn’t take the gear out on slopes.
      2) excessive use of the Neutral mode while driving may damage the gearbox.

  2. Dave Geffre says

    Hi, I purchased my first vehicle with the Eco Mode – 2019 Toyota Avalon Hybrid. Is it okay to keep my car in Eco Mode all the time? Certainly I want the fuel efficiency but I’m wondering about any engine, drive train damage from using eco mode all the time. THANK YOU

    1. Ian says

      Eco mode is not advisable when you are driving up slope and or when your car is heavy. You should not use eco mode when you need power.

  3. Dalejesso says

    Just wondering if echo mode in the winter is safe for the engine, living in the north gets real cold and im finding the oil consumption is real bad

  4. Taufiq Lodhi says

    Some people are selling echo mode in one’s car . Is this gadget is legal. Can any one foot this gadget in its car.
    This gadget is sold on face book. Is it legal in uk.
    Please let me know.
    Many thanks

  5. Kim says

    I have a Mazda Axela, I feel like my car is dragging itself when on eco-mode especially when in traffick. Kindly advice

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