论文部分内容阅读
案例1桑塔纳3000轿车无法起动故障现象一辆桑塔纳3000 1.8 L手动挡轿车,因加速挫车的故障在某维修厂进行维修,在更换点火线圈后,发动机无法起动,由于该维修厂的维修人员一直找不出故障原因,因此向笔者求助。故障诊断赶到现场与维修人员交流得知,该车进厂报修加速挫车,维修人员路试后推断有气缸缺火;进行断缸测试,发现第3缸工作不良;检查火花塞的燃烧情况,发现第3缸火花塞头部发黑,而其他3个气缸的火花塞均燃烧正常;由于火花塞已到维护里程且分缸线严重老化,更换所有的火花塞和分缸线后原地试车,发现发动机怠速运转平稳且加速顺畅,本以为故障排除,就交车了,可没过多久,驾驶人又将
Case 1 Santana 3000 cars can not start the phenomenon of failure A Santana 3000 1.8 L manual sedan, due to speed up the vehicle failure to repair a repair shop, after the replacement of the ignition coil, the engine can not start because the maintenance of the maintenance staff has been Can not find the cause of the malfunction, so to the author for help. Fault diagnosis rushed to the scene and maintenance personnel exchange that the car into the factory to repair to speed up the vehicle, maintenance personnel after the road test concluded that the cylinder lack of fire; broken cylinder test found that poor working 3rd cylinder; check the combustion of spark plugs, Found that the first three cylinder spark plug black head, while the other three cylinder spark plug are burning normal; as the spark plug has been to maintain mileage and sub-cylinder line serious aging, replace all the spark plug and cylinder line after the original test run and found that the engine idle speed Smooth operation and speed up smoothly, I thought the troubleshooting, the delivery, but before long, the driver will turn