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一辆SC6371A长安之星车(采用电控发动机),因空调系统有故障而到我厂检修。车主反映:该车在冷机时,空调制冷正常,但行驶了十几分钟后空调就不制冷了。因该车累计行程仅为6 000 km,就按常规检查了空调系统的电路部分、机械部分和空调系统压力,均正常。因一时未查明故障原因,怀疑空调压力开关不正常,就更换了空调压力开关,并重新加注了制冷剂。由于车主急着用车,就嘱咐他注意观察,出现不正常情况时要及
An SC6371A Changan Star car (using electronically controlled engine), due to air conditioning system failure to our factory overhaul. Owners reflect: the car in the cold, air conditioning and refrigeration normal, but driving a dozen minutes after the air conditioning is not cooling. Due to the car total travel of only 6 000 km, according to the routine inspection of the air conditioning system circuit part, mechanical parts and air conditioning system pressure, are normal. Due to a moment did not identify the cause of the malfunction, air conditioning pressure switch is suspected abnormal, it replaced the air conditioning pressure switch, and re-filled with refrigerant. As the owner anxious to use the car, he was asked to pay attention to observe, when there are unusual circumstances and