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What is the reason why the car cannot start after parking for a while?

2 Answers
OwenLynn
07/29/25 3:11am
Car cannot start after parking due to carbon deposits causing ignition difficulties. The function of a car engine: The car engine is the device that provides power to the vehicle, determining its power performance, fuel economy, stability, and environmental friendliness. Depending on the power source, car engines can be classified into diesel engines, gasoline engines, electric vehicle motors, and hybrid systems, among others. Specific causes of engine failure: There are five main reasons why the engine warning light comes on: sensor issues; maintenance problems; fuel quality issues; poor combustion of the air-fuel mixture; and intake problems. Methods to handle engine failure: Start and turn off the vehicle three times consecutively, disconnect the negative terminal of the engine battery, wait for 30 seconds before reconnecting it, and then attempt to start the car; use a fault diagnostic tool to troubleshoot and clear the fault.
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Hattie
08/12/25 7:03am
I haven't been driving for many years, but recently encountered a similar issue where the car wouldn't start after being parked for a while. The most common reason is insufficient battery charge, possibly due to leaving headlights on or battery aging causing discharge. The starter could also be faulty, getting stuck when cold after parking for some time. Check if the battery terminals are loose or corroded; the voltage should measure above 12V with a multimeter. Another potential issue is the fuel pump, especially in older cars where aging fuel pumps make hot starts difficult after parking due to poor fuel supply upon restarting. I suggest first trying a jump start; if that doesn't work, the starter might be bad and need replacement. Regular maintenance of the battery and checking the electrical system is important to avoid draining power by forgetting to turn off headlights or AC. If the problem occurs frequently, it's best to visit a professional auto repair shop for a diagnostic scan of trouble codes rather than attempting DIY fixes.
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