What Are the Reasons for a Car Not Starting After Being Parked for Too Long?

2 Answers
McBrady
07/28/25 9:10pm
The reasons for a car not starting after being parked for too long are: 1. The car battery is drained; 2. Low temperature reduces the viscosity and rotation speed of the engine oil; 3. Issues with the ignition system; 4. Insufficient fuel in the car; 5. Excessive carbon deposits inside the vehicle's engine; 6. A damaged fuel pump, preventing fuel in the tank from being supplied for combustion. The solutions for a car not starting after being parked for too long are: 1. Check if the battery is drained and recharge it; 2. Repair or replace a damaged fuel pump promptly; 3. Check if the fuel level is sufficient and add enough fuel; 4. Inspect whether the engine sensors are damaged; 5. Replace spark plugs and ignition coils; 6. Use a heating rod to warm up the engine oil.
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LaMia
08/12/25 1:51am
I've encountered this issue several times when the car wouldn't start after sitting too long. The main problem usually lies with the battery. Batteries automatically discharge when unused for extended periods, especially in cold weather when power drains faster. If left for one or two months, electrode corrosion and oxidation may occur, causing poor contact. Additionally, engine oil thickens over time, particularly in low temperatures, increasing starter load and making ignition difficult. Gasoline in the fuel system can also evaporate, forming vapor locks that clog fuel lines and affect supply. I recommend periodically starting the engine for a few minutes or disconnecting the battery's negative terminal as prevention. If all else fails, have a professional check battery condition and fluid quality. Paying attention to these small details can prevent major troubles.
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