What Causes a Car to Fail to Start After Being Unused for a Week?

1 Answers
BrynleeRose
07/29/25 1:49am
If a car fails to start after being unused for a week, it is likely due to insufficient battery charge. If turning the key only produces a clicking sound, you can try adding some fuel before attempting to start the engine. If this doesn't work, the only options are to replace the battery or recharge it promptly. It is normal for a car to fail to start after being unused for an extended period, as this is typically caused by a dead battery. In such cases, jump-starting the car using another vehicle with a charged battery can help start the engine smoothly. Every car is equipped with a battery, which may be located either in the engine compartment or the trunk. When the engine is off, the battery powers all electronic devices in the car and is also responsible for starting the engine. During engine startup, the ignition system, fuel supply system, starter, and sensors all require electricity to function. If the battery is dead, the engine will not start. To avoid such issues, it is advisable not to leave the car unused for long periods. If the car is not used frequently, taking it for a short drive occasionally can benefit both the car and the battery. Prolonged inactivity can accelerate the aging of many components. The battery is a wearable part that requires regular replacement. During maintenance, it is recommended to check the battery's internal resistance and voltage. If these values fall below the specified range, the battery should be replaced. When replacing the battery, always opt for genuine products from reputable brands.
Was this review help?
8
4
Share
More Forum Discussions

How to Reset the Maintenance Light on an Older Volkswagen Bora?

The method to reset the maintenance light on an older Volkswagen Bora is as follows: 1. First, turn the key to the OFF position, ensuring all dashboard lights are off. 2. Press and hold the right [0.0/SET] button, then turn the key to the ON position. Continue holding the [0.0/SET] button, and the maintenance cycle indicator will enter reset mode. You can then restart the vehicle. 3. Release the [0.0/SET] button and press the left button within 20 seconds. Once the indicator returns to normal display, the maintenance light has been successfully reset.
9
3
Share

What causes the buzzing sound when the Civic reaches 70 mph?

When the Honda Civic reaches 70 mph and produces a buzzing sound, this situation may be caused by damaged or broken vehicle bearings during high-speed driving. It is necessary to pull over promptly. Inspect the vehicle and troubleshoot to avoid potential safety hazards for the driver and passengers, which could lead to safety accidents. The reasons for broken vehicle bearings are largely related to the quality of the bearings themselves. Bearings are composed of multiple components, and the quality of these parts can significantly affect the lifespan of the bearings, leading to premature damage or breakage. Additionally, poor lubrication, improper bearing assembly and adjustment, and poor personal driving habits can also cause vehicle bearing breakage.
14
2
Share

Where is the trunk button on the Tiguan?

The trunk button of the Tiguan is located below the driver's door. Lift this button upwards to open the vehicle's trunk. After opening, the trunk does not fully open; the lock releases slightly, allowing you to manually lift the trunk from its position. Here is some information about car trunks: 1. A car trunk, as the name suggests, is a space for storing spare items and transporting goods. 2. Typically, a trunk contains the car's spare tire, emergency kit, tool kit, warning triangle, fire extinguisher, car fridge, and the emergency release cable for the fuel tank cap.
16
4
Share

How to Determine When Volvo Tire Pressure Calibration is Complete?

When the Volvo system detects that the tire pressure is too low, the tires in the central display will change from gray to green. The system does not provide any additional confirmation of calibration completion. Here are some precautions for tire pressure calibration: 1. The vehicle must be stationary to click the calibration button. 2. After clicking calibration, the vehicle must be driven at a speed greater than 35 km/h for a period of time before the new tire pressure can be saved; otherwise, the icon will keep spinning. 3. If a spare tire is used, the tire pressure monitoring system may not function properly due to differences between the tires.
10
3
Share

Does the Audi S3 come with exhaust sound?

Audi S3 does have exhaust sound in its stock configuration without modifications, but this exhaust sound becomes more noticeable only after shifting into the S mode. Here are some related details about the Audi S3: 1. The Audi S3 is equipped with Volkswagen's third-generation EA888 engine, which has a maximum power output of 213 kW, a maximum torque of 380 Nm, a maximum power speed range of 5400 to 6500 rpm, and a maximum torque speed range of 1850 to 5300 rpm. 2. This engine features hybrid injection technology and uses an aluminum cylinder head and cast iron cylinder block. As a 2.0-liter turbocharged engine, the cast iron cylinder block gives it significant modification potential.
18
4
Share

Can Oil Burning Repair Agent Really Fix Oil Burning Issues?

Repair agents can only slightly alleviate oil burning problems but cannot fundamentally resolve them. After prolonged high-load and high-speed driving, certain engine components may become damaged, often leading to oil burning. Oil burning refers to the situation where engine oil enters the combustion chamber and participates in combustion along with the air-fuel mixture. Engine oil burning is caused by the wear and aging of piston rings and valve stem seals. Valve stem seals can be replaced without disassembling the engine, but piston rings require engine disassembly for replacement. Therefore, only by disassembling the engine can the oil burning issue be fundamentally resolved.
10
3
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.