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What are the reasons why a car cannot start after being left unused for a long time?

1 Answers

HannahFitz

07/30/25 9:58am

The reasons why a car cannot start after being left unused for a long time are: 1. The carburetor has no fuel; 2. The engine lacks lubrication from engine oil, causing dry friction in components like pistons and crankshafts; 3. The battery is dead; 4. The air-fuel mixture ratio is abnormal; 5. The power supply voltage of the ignition system is unstable; 6. The throttle valve, intake valve, or idle speed motor is too dirty. Maintenance methods for a car left unused for a long time: 1. If the car is left unused for a long time, it needs to be started every one or two weeks to prevent engine failure; 2. When the car is left unused for a long time, clean the exterior and interior in advance, as dirt on the car paint that is not cleaned for a long time will damage the paint; 3. Keep the battery fully charged, and regularly inspect and maintain the car battery to prevent battery depletion.

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