车型:东南菱致V5,发动机排量1.5L,该车装配的是汽油和CNG双燃料发动机。故障现象:发动机缺缸,在使用天然气时发动机抖动。故障诊断:首先,确认故障现象。发动机着车后,转化成汽油模式时,发动机工作稳定;在使用天然气模式时,发动机明显抖动,从排气管出口可以感觉到明显的有节奏的冲击,根据经验判断,此车在使用天然 Model: Southeast Lingzhi V5, engine displacement 1.5L, the car is equipped with gasoline and CNG dual-fuel engine. Symptoms: lack of cylinder engine, the use of natural gas engine jitter. Troubleshooting: First, confirm the symptoms. When the engine is running, the engine works stably when it is converted to gasoline mode. When using natural gas mode, the engine is obviously jerky, and the rhythmic impact can be felt from the exhaust pipe exit. Judging from experience, this engine uses natural