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故障现象一辆2011年产雪佛兰科鲁兹1.8 L车,搭载2HO发动机,车主反映,该车发动机无法加速,且发动机故障灯异常点亮。故障诊断接车后试车,发动机能正常起动,但发动机无法加速,且发动机故障灯常亮。用故障检测仪检测,在发动机控制单元中存储了4个故障代码(图1);尝试清除故障代码,故障代码P0628无法清除。分析故障代码,怀疑燃油供给系统有故障。
Fault phenomenon A 2011 Chevrolet Cruze 1.8 L car, equipped with 2HO engine, the owner reflects the car engine can not be accelerated, and the engine fault light abnormal lighting. Troubleshooting After the test car, the engine can start normally, but the engine can not accelerate, and the engine fault light is always on. Detected by the fault detector, four fault codes are stored in the engine control unit (Fig. 1); an attempt is made to clear the fault code and the fault code P0628 can not be cleared. Failure code analysis, suspected fuel supply system failure.