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有一台4125发动机,据司机反映,该发动机走了一会儿后发动机转速逐渐地从高速降到低速,直至自动熄火。排除泵内空气再次起动,又出现自动熄火。检查油路,按惯例查输油泵至油箱的油路,油管、垫子都是司机换了新的,只需用手油泵泵油,油泵内的空气便排完。其它油路、垫子、滤芯均无漏油,经检查也确无故障。那么油泵内的空气又是从哪里来的呢?发动车子再查,待发动机转速不正常
There is a 4125 engine, according to the driver to reflect the engine after a while the engine speed gradually decreased from high speed to low speed, until the automatic flameout. Exclude the pump air to start again, there are automatic flameout. Check the oil circuit, according to the conventional search pump to the oil tank, tubing, cushions are drivers for a new, just hand pump oil pump, the pump will be the end of the air row. Other oil, mats, filters have no oil leakage, the inspection is indeed no problem. Then the air inside the pump is come from? Start the car check again, until the engine speed is not normal