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故障现象一辆2013年产广汽本田奥德赛车,行驶里程约为3万km,因发动机运转不平稳而进厂检修。故障诊断接车后试车验证故障,发现发动机运转无力且抖动严重,故障现象确实存在。根据维修经验,判断故障原因可能与点火系统或喷油系统有关。本着由简到繁的诊断原则进行排查,发现第1缸和第4缸点火线圈损坏。更换第1缸和第4缸的点火线圈后试车,故障排除。于是将车辆交还给驾驶人。然而,车辆驶离没多久便再次因发动机抖动而返厂,客
Trouble phenomenon A 2013 Guangzhou Automobile Honda Odyssey car, mileage of about 30,000 km, because the engine is not running smoothly into the plant overhaul. Fault diagnosis After the test car to verify the failure and found that the engine running weak and jitter, the failure does exist. According to the maintenance experience, determine the cause of the malfunction may be related to the ignition system or fuel injection system. Based on the diagnosis from simple to complex investigation, found that the first cylinder and the fourth cylinder ignition coil damage. Replace the first cylinder and the fourth cylinder after the ignition coil test, troubleshooting. So the car will be returned to the driver. However, soon after the vehicle departed, it returned to the factory again due to engine shake