一辆正常行驶的本田ACCORD轿车,在请电工更换喇叭后出现不能起动,且故障灯常亮不熄的现象。调故障码亦不输出,判定为电脑损坏。拆电脑检查测试,原来是给CPU供电的一个三极管击穿,更换损坏元件,装车试验,故障灯熄灭且车可以正常起动,但怠速明显不稳,而且抖动,加速粗暴。断火试验,第二缸 A normal driving Honda Accord sedan, please replace the speaker after the electrical can not start, and the fault light does not turn off the phenomenon of constant light. Adjust the fault code is not output, judged as computer damage. Remove the computer inspection test, the original is to the CPU power supply breakdown of a transistor, replace the damaged components, loading test, the fault light goes out and the car can be started normally, but the idling obvious instability, and jitter, accelerate rough. Fire test, the second cylinder