案例1丰田埃尔法车怠速熄火故障现象一辆行驶里程约为9.6万km的2010年11月产丰田埃尔法车(车辆型号为ANH20L-PFPQK2,发动机型号为2AZ),车主反映该车在怠速等红灯时有熄火的现象。故障诊断接车后与车主一起试车确认故障现象,车辆行驶过程中,仪表上的各项显示均正常,无故障警告灯点亮,正常行驶时,车辆加速良好,但是在怠速等红灯时,发 Case 1 Toyota Alpha car idle speed flameout phenomenon A mileage of about 96,000 km November 2010 Toyota Alpha car (vehicle model ANH20L-PFPQK2, the engine model 2AZ), the owner reflects the car at Idling and other red lights turn off the phenomenon. Troubleshooting After the car and the vehicle owners to test the vehicle to confirm the fault phenomenon, the vehicle driving process, the instrument on the display are normal, no fault warning lights lit, normal driving, the vehicle speed up well, but at idle speed and other red lights, hair