故障现象一辆1998年出厂的进口雷诺太空乘用车,只要连续高速行驶超过300 km,发动机就会出现高温,为此,该车去年曾导致更换了一台发动机,花费10万元多,但发动机更换后上述故障依旧存在。故障诊断经过一番检查后发现,该车虽然已有10年以上的车龄,但是全车车况良好,行驶里程仅为18万km。 Symptom A Renault space passenger car imported from China in 1998 was subjected to high temperatures as long as the continuous high-speed travel exceeded 300 km. As a result, the car last year caused an engine replacement cost more than $ 100,000 After the engine replacement of the above problems still exist. Troubleshooting After some inspection found that although the car has been more than 10 years old car, but the car was in good condition, driving mileage of only 180,000 km.