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故障现象:一辆卡迪拉克轿车,起步时发动机抖动且易熄火,急加速瞬间曲轴反转5～6圈后即熄火。但ENGINECHECK检查灯没有点亮,因而无法使用自诊断系统调出故障码进行常规分析。故障检查:根据故障现象,初步判定燃油系统有问题。于是对燃油系统进行检查:系统油压低于0.2兆帕(正常油
Symptoms: a Cadillac sedan, the initial jitter and easy to turn off the engine, rapid acceleration crankshaft reversal 5 to 6 turns out after the flame. However, the ENGINECHECK check light does not light up and therefore can not be used to diagnose the system to call out trouble codes for routine analysis. Fault check: According to the fault phenomenon, initially determine the fuel system has a problem. So check the fuel system: system oil pressure below 0.2 MPa (normal oil