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故障现象:一辆依维柯越野车,在低温季节(气温在-3℃左右)发动机起动前预热时,预热指示灯不停地闪烁。故障检查:检查电磁阀插头无松脱;将插头从插座上拔下,从蓄电池引一根火线与插头点间断接触,同时用手触摸电磁阀壳体,感觉内部有吸合动作,说明其工作正常;检查温度传感器和低温
Symptoms: Iveco off-road vehicles, in the low temperature season (temperature around -3 ℃) preheat the engine before starting, the preheating light kept flashing. Fault check: check the solenoid valve plug without loosening; unplug the plug from the socket, lead from the battery and a hot wire intermittent contact with the plug, while touching the solenoid valve housing, feel the internal pull action, indicating its work Normal; check temperature sensor and low temperature