某单位一辆日本阿科德(ACCORD)牌2.2L轿车,因在冬季行车中发动机经常温度过高(正常行驶45min左右,就会出现开锅现象),几经修理无效后,找到我部求助。 针对该车的故障现象,我们首先检测了节温器和水泵的工作情况,均未发现异常。后又对可能引起温度过高故障的制动系统、点火正时和轮胎气压等部位进行检查,均未找出故障根源。但发现该车在每次发动机 A unit of Japan Arkerton (ACCORD) brand 2.2L sedan, because the engine driving in winter is often too high temperature (about 45min normal driving, there will be a boil phenomenon), after several repair invalid, find my department for help. In response to the phenomenon of the car, we first detected the thermostat and pump work, were found no abnormalities. After the brake system may cause over-temperature failure, ignition timing and tire pressure and other parts of the inspection, did not find the root cause of the malfunction. But found the car at every engine