Traditional Culture Encyclopedia - The 24 Solar Terms - What is the reason why the engine doesn't idle without stepping on the accelerator?
What is the reason why the engine doesn't idle without stepping on the accelerator?
After the driver steps on the accelerator pedal, the throttle opening will increase and the amount of air entering the engine will also increase. When the sensor detects an increase in the amount of air entering the engine, it will feed back the signal to the ecu. After treatment, ecu will control the fuel injection system to increase the fuel injection quantity, thus increasing the engine speed.
When the engine is idling, there is an idling control valve on the throttle to keep the throttle open to a certain extent. Only in this way can a small amount of air enter the engine to participate in combustion.
If the idle control valve is damaged, the throttle will not open. If you don't step on the gas pedal, the gas pedal will turn off. At this time, air cannot enter the engine to participate in combustion, so the engine will stall.
When replacing the throttle, you must choose the original accessories, which are more reliable and durable. And when you use the car, you must maintain it regularly. Daily maintenance is very important for cars, and timely maintenance can keep cars in good condition all the time. (Photo/Text/Photo: Pacific Auto Netscape Chen Chen)
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