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例1 新车紧急制动熄火后,发动机不能起动一辆新购的福特轿车,在行驶中因遇到突然情况而使用紧急制动,造成发动机熄火;重新起动发动机很顺利,但发动机运转几秒钟后出现“回火”现象,紧接着就熄火;再起动发动机不着火。检查处理福特轿车的燃油供给系统如图1所示。检查油箱有油;打开点火开关,电动燃油泵工作;点火电路正常;松开喷油器的进油管接头泵油,接头处无油流出。至此,确定是燃油供给系统不能供油的故障。
Example 1 Emergency braking of a new car After the flameout, the engine can not start a newly purchased Ford sedan, and emergency braking is used due to an unexpected situation while driving, causing the engine to stall; restarting the engine is smooth but the engine is running for a few seconds After the “tempering” phenomenon, followed by the flame; restart the engine does not fire. Check to deal with Ford’s fuel supply system shown in Figure 1. Check the fuel tank; open the ignition switch, electric fuel pump work; ignition circuit is normal; release the injector into the oil pipe connector pump oil, oil at the joint outflow. So far, to determine the fuel supply system can not supply failure.