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故障现象一辆2012款天籁25XL车,配备VQ25DE型发动机,累计行驶里程约为4万km。车辆在正常行驶中偶尔会熄火,每次熄火后发动机都无法立即起动,要等几分钟后才能起动,但发动机起动着机后工作正常。该故障刚开始1天~2天出现一次,最近几天发展到1天出现3次~4次。故障诊断接车后首先进行试车。试着起动发动机,发动机顺利起动,发动机转速稳定在700r/min左右,行驶了约8 km后,发动机突然熄火,无法再次起动,此时发动机故障灯不亮。
Trouble phenomenon A 2012 Teana 25XL car, equipped with VQ25DE engine, the cumulative mileage of about 40,000 km. Occasionally, the vehicle will turn off during normal driving. After each flameout, the engine can not start immediately. Wait for a few minutes before starting, but the engine starts to work normally after it starts up. The failure occurred at the beginning of 1 days to 2 days, the development in recent days to 1 day appeared 3 times to 4 times. Troubleshooting After the first car to take the test. Trying to start the engine, the engine started smoothly, the engine speed stabilized at 700r / min or so, driving about 8 km, the engine suddenly turn off, can not start again, then the engine fault light does not shine.