2005款捷达前卫、BJG发动机、2气门、LPG双燃料出租型轿车怠速不良。车主自述发动机冷、热启动都较困难,有时要打多次火才着车、感觉怠速不稳、抖动、加速不良、动力不足、频繁出现怠速自动熄火现象、用油和气时都一一、故障现象 2005 Jetta avant-garde, BJG engine, 2-valve, LPG dual-fuel rental car idling poor. The owner described the engine cold, hot start are more difficult, and sometimes to fight a few times before driving the car, I feel unstable idle, jitter, poor acceleration, lack of power, frequent idling automatic stall phenomenon, oil and gas are all one by one, failure phenomenon