车型:2010款新君威,配备2.4LDOHC发动机,型号LE5,GF6手自一体自动变速器,EPB一键式电子驻车制动,无钥匙启动系统。故障现象:天气极其寒冷时无法启动,有时能勉强启动,但挂挡加速时车辆行驶非常缓慢。故障诊断:此车在无法启动时由救援车拖至4S店,刚进入车间时故障如车主所述,无法启动,几分钟后却可以启动,转速表在1000～4000r/min之间来回摆动,而发动机实际转速却 Models: 2010 Regal, equipped with 2.4LDOHC engine, model LE5, GF6 automatic manual transmission, EPB one-touch electronic parking brake, keyless start system. Symptoms: the weather is extremely cold can not start, and sometimes barely started, but when the vehicle speeding up is very slow. Troubleshooting: This car can not start when dragged by the rescue car to the 4S shop, just enter the workshop fault as described by the owner, can not start, but can be started after a few minutes, tachometer back and forth between 1000 ~ 4000r / min swing, The actual engine speed but