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当混合比不能使催化转化器保持最高效率时,氧传感器向发动机控制计算机发出信号。有独创精神的技师,不用专用设备也能诊断传感器故障,但以采用检测仪为好。
The oxygen sensor sends a signal to the engine control computer when the mixture ratio does not maintain the highest efficiency of the catalytic converter. A technician with a creative spirit can diagnose sensor failure without special equipment, but it is better to use a detector.