By means of the flap in the air filter chamber, the air sucked in by the engine can be supplied to the air filter in two different ways. As a result, air of different temperatures can be supplied to form the fuel-air mixture. The position of the flap lever is determined by the outside air temperature: summer position above +10°C. winter position below +10°C.
Note: If the damper is in the winter position, then as a result of the action of the springs on the damper, at high engine power, less warm air is sucked in, thereby reducing fuel consumption.
Note: If you want to drive very economically, the flap position at the following outside air temperatures should look like this: summer position above 0°C, winter position below 0°C. With this flap position, you can save 0.5 l of fuel per 100 km.
However, you should make sure that the engine runs smoothly and responds well to the gas. Otherwise, you will need to change the position of the throttle lever when the outside temperature is high.
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