Why does the car stall automatically and then fail to start?

2 Answers
JudeRose
09/04/25 7:33am
Here are the reasons why a car suddenly stalls while driving and then fails to start: Dead battery: This could be due to a drained battery caused by leaving the headlights on for an extended period or the battery reaching the end of its lifespan. It is generally recommended to replace the battery every 2 years. Additionally, installing xenon headlights, high-power audio systems, or DVD players can also lead to electrical faults in the vehicle. Checking for a dead battery is simple—just press the horn to find out. Incorrect gear position: When starting an automatic transmission car, the gear must be in the P (Park) or N (Neutral) position. If it is in R (Reverse) or D (Drive), the car will not start. Similarly, some manual transmission cars will not start if the clutch is not depressed.
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DiHarmony
09/16/25 8:24am
As a young car owner, I just encountered this issue the other day - the car suddenly stalled while driving and absolutely refused to restart, which was really frustrating. There could be several reasons: the battery might be dead, or loose connections causing insufficient starting current; fuel system problems like a faulty fuel pump not delivering fuel, or a clogged fuel filter; or ignition coil/spark plug failures preventing spark generation. In my case, it was a broken fuel pump, costing me 800 yuan at the repair shop. I'd suggest first checking the battery voltage and tightening the terminals. If that doesn't work, inspect the fuel system. Such issues need immediate attention - they can disrupt your daily commute and potentially cause more severe failures like engine damage. Regular maintenance checks on the battery and fuel delivery system can prevent many such troubles.
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