1. Clogged Carburetor: Despite adding gas to the carburetor, it might be clogged, preventing proper fuel flow. Check for any debris or build-up that may obstruct the carburetor's internal passages. Clean the carburetor thoroughly using carburetor cleaner and compressed air.
2. Blocked Fuel Line: The fuel line that supplies gas to the carburetor may be blocked, restricting fuel flow. Inspect the fuel line for any kinks, bends, or obstructions. Clean or replace the fuel line if necessary.
3. Faulty Fuel Filter: A clogged fuel filter can impede the flow of gas. Check and clean the fuel filter if your mower has one. Replace the fuel filter if it's dirty or damaged.
4. Choke Problems: If the choke on your mower is stuck in the closed position, it will restrict airflow and cause the mower to stall. Make sure the choke is opening fully when you disengage it.
5. Spark Plug Issues: A fouled or worn-out spark plug can prevent proper combustion, causing the mower to stall. Remove and inspect the spark plug. Clean or replace the spark plug if necessary.
6. Faulty Ignition Coil: A malfunctioning ignition coil can disrupt the spark production needed for combustion. Check the ignition coil for any damage and replace it if faulty.
7. Air Filter: A clogged air filter can affect air-fuel mixture, causing the mower to run poorly and stall. Clean the air filter and ensure it's seated properly.
8. Throttle Settings: Verify the throttle settings on your mower. An incorrect throttle setting could affect the proper mixing of air and fuel, leading to stalling. Adjust the throttle as necessary.
If none of these solutions resolve the issue, there may be a more complex underlying problem. Consider consulting a professional or experienced individual for further assistance or consider taking the mower to a repair center.