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故障现象 客户来修理厂报修反映,这辆双排座轻型卡车发动机废气严重,需换活塞环。换活塞环十天左右,车又开回来。据驾驶员说,废气同原来一样,没有明显改观。 故障检查 客户认为我们起初提供的活塞环有质量问题。但检查后,未发现活塞环质量有问题。废气排放严重的原因有可能是
Fault phenomenon Customer repair shop reported repair, this double-seater light truck engine exhaust gas serious, need to change the piston ring. For piston ring for about ten days, the car back to open. According to the driver, the exhaust gas was the same as before, with no significant improvement. Troubleshooting The customer thought that the piston ring we originally provided had a quality problem. However, after inspection, piston ring quality is not found a problem. The reason for the serious exhaust emissions may be