MID 018 - CID 0551 - FMI 01 Oxygen Sensor not connected to buffer
产生此代码的情况:
发动机正在运转或氧气传感器正被标定。 氧气传感器电路出故障。
系统响应:
如果发动机正在运转，燃料作动器将会移动到缺省位置。 如果氧气传感器正被标定，标定将被终止。
该诊断代码可以在数字诊断工具(DDT)、发动机控制模块(ECM)或卡特彼勒电子技师(Cat ET)上查看到。
发动机性能和排放都将受到影响。
测试步骤 1. 进行以下的诊断步骤: 氧气传感器信号
结果:
- OK - 停止
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