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一辆轻型客车,在换了一台新的492QC-2型发动机后,运行约6300km,发动机便出现了加速不良的故障,现象是:急加速时发动机转速上升很慢,甚至熄火;慢慢踏下加速踏板,转速慢慢上升。为排除该故障,汽车队将车送往本公司汽修厂进行检修,经汽修厂技术人员近一个月会诊和大量的拆检、换件工作,这台被称为得了“怪病”的发动机,因换了一支火花塞而恢复正常。故障排除的经过是这样的。
A light passenger car, after changing a new 492QC-2 engine, runs about 6300km, the engine has experienced a poor acceleration failure. The phenomenon is: when accelerating, the engine speed rises slowly or even turns off; slowly depresses Accelerator pedal, the speed slowly increased. In order to eliminate the fault, the auto team will be sent to the company’s auto repair shop overhaul, after nearly a month of workshop mechanics consultation and a lot of inspection, replacement work, this is called a “strange disease” Engine, due to a spark plug replaced and returned to normal. Troubleshooting is like this.