Traditional Culture Encyclopedia - The 24 Solar Terms - Why do cars need rich mixture when idling? Don't answer the carburetor. . thank you
Why do cars need rich mixture when idling? Don't answer the carburetor. . thank you
After combustion, the mixture enters the exhaust stroke. Due to exhaust resistance, exhaust time and other reasons, it is impossible to completely exhaust the exhaust gas. At this time, the new mixed gas must enter the cylinder to prepare for the next explosion stroke, so that there are both new mixed gas and exhaust gas in the cylinder, which leads to the low concentration of mixed gas, which is not easy to be ignited by the spark plug and will stall. Therefore, in order to make the car run stably at idle speed, it is necessary to increase the concentration of the mixture.
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