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一辆解放CA1046L2型汽车,在行驶1703km时来我站检修发动机。用户反映,该发动机冷车怠速正常,但当发动机冷却水升至正常温度后,怠速运转不稳,排气管冒黑烟。 根据用户反映,对该发动机进行检查,在冷却水温度较低时,由于化油器自动阻风起作用,发动机的怠速较高,属于正常;但当冷却水升至正常温度时,轻踩油门踏板,使高怠速降下来,让发动机处于正常低
A liberation of CA1046L2 cars, 1703km when I came to the station to repair the engine. Users reflect that the engine idle speed normal, but when the engine cooling water rose to normal temperature, idle running instability, the exhaust pipe black smoke. According to user feedback, check the engine, the cooling water temperature is low, because carburetor automatic choke function, the engine idle speed is higher, it is normal; but when the cooling water rose to normal temperature, the light step on the accelerator Pedal, high idle down, let the engine at normal low