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xue fo lan gu zhang an li fen xi ( san shi wu )
Pages: 45-47
Year: Issue:  10
Journal: Auto Maintenance

Abstract: 案例174车型:科鲁兹.州:LSGPC54R9BFXXXXXX.行驶里程:4196km.故障现象:发动机故障灯亮,停车5min以上不好启动.故障诊断:检查发动机控制模块有一个故障记忆:P0171,燃油修正系统过稀.查看ECM的数据,怠速时各项数据均在正常范围:空气流量为2 8g,MAP为34kPa,长期燃油调整为0%,前氧传感器信号电压变化频率也很正常.可以基本排除在进气歧管、节气门体、制动助力器...
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