Traditional Culture Encyclopedia - The 24 Solar Terms - Why doesn't the electronic accelerator respond when stepping on the accelerator?
Why doesn't the electronic accelerator respond when stepping on the accelerator?
There is no response when stepping on the electronic throttle, probably because the electronic throttle is faulty. Common failure causes include the following: 1. The pedal displacement sensor is damaged, which leads to the failure of ECU to receive useful signals and thus no response. 2. Unbalanced voltage leads to abnormal signal transmission. 3. Line failure, such as loose plugs at both ends, broken lines or virtual connections. 4. Engine computer failure. In the electronic throttle car, the characteristics of ECU controlling the throttle are: comprehensively analyzing the stepping depth of the throttle and the car condition, and finally calculating the current appropriate throttle opening. At the beginning, if the driver slams on the accelerator, ECU will analyze the current vehicle speed and throttle size, appropriately limit the throttle opening from the perspective of fuel consumption and emission rationality, and control the fuel injection system to maximize the fuel injection port. In this way, the driver will feel that the car starts to exert force after stepping on the accelerator, which is called throttle delay. The throttle lag is actually caused by ECU limiting the instantaneous power output of the engine. Although this can save fuel and protect the environment, the electronic throttle is not used to limit the engine output. After starting the car, quickly press or release the accelerator pedal depth 1/3 to feel the obvious refueling/deceleration of the car. This is the case that ECU supports the driver to accelerate/decelerate according to the current vehicle state, thus making it easier for the driver to operate the accelerator pedal.
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