故障现象:一辆2009年产北京现代伊兰特轿车热车有时会自动熄火而进厂维修,该车搭载G4ED 1.6L DOHC(双顶置凸轮)多点喷射电控汽油发动机和5速手动变速器,已行驶里程数约93700km。据车主描述,该车近段时间发动机经常会出现易熄火现象,故障现象主要表现在热车时发动机转速表突然会变为0,且有时需要等待近1小时后(发动机冷却后)发动 Symptom: A 2009 Hyundai Elantra sedan hot car sometimes automatically shut down and into the factory maintenance, the car equipped with G4ED 1.6L DOHC (double overhead cam) multi-point injection electronic gasoline engine and 5-speed manual transmission has been Mileage is about 93700km. According to the description of the owner, the car often appear near the engine easy to turn off the phenomenon of failure is mainly manifested in the hot car when the engine tachometer suddenly becomes 0, and sometimes need to wait for nearly 1 hour (engine cooling) to start