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Mower Mayhem: Troubleshooting Why Your Push Mower Won't Stay Running

9 Reasons a Push Mower Won’t Stay Running – Powered Outdoors

A balky push mower that sputters and dies can quickly turn yard work into frustration. But before you resign yourself to a trip to the repair shop, consider this: many reasons why a push mower won't stay running can be fixed with some basic troubleshooting.

Common Culprits and DIY Fixes:

  • Fuel Issues:

    • Stale Gas: Over time, gasoline can break down and form harmful deposits in the fuel system. If your mower has been sitting for months, using old gas is a prime suspect. Solution: Drain the old gas and refill the tank with fresh fuel [Source:].

    • Clogged Fuel Filter: A dirty fuel filter can restrict fuel flow to the engine, causing stalling. Solution: Refer to your owner's manual to locate the fuel filter and instructions for cleaning or replacing it.

  • Spark Plug Problems:

    • Fouled Spark Plug: A dirty or worn spark plug can prevent proper ignition. Solution: Inspect the spark plug for soot buildup or damage. Clean or replace the spark plug if needed, following your owner's manual for the correct type.
  • Air Filter Woes:

    • Clogged Air Filter: A clogged air filter restricts airflow, affecting the engine's air-fuel mixture and leading to stalling. Solution: Clean the air filter according to your owner's manual instructions. If it's excessively dirty or damaged, replace it.
  • Cutting Issues:

    • Dull Blades: Dull mower blades can put extra strain on the engine, causing it to bog down or stall. Solution: Sharpen or replace the mower blades, ensuring you follow safety precautions during the process.

Additional Tips:

  • Check the Engine Oil: Low oil levels can cause engine problems. Consult your owner's manual for the proper oil type and fill level.
  • Inspect the Spark Plug Wire: A loose or faulty spark plug wire can disrupt ignition. Ensure the wire is securely connected to both the spark plug and the ignition coil.

When to Call a Professional:

If you've tried these troubleshooting steps and your mower remains uncooperative, it might be time to seek professional help. A qualified mechanic can diagnose and fix more complex issues like carburetor problems or engine malfunctions.

Preventative Maintenance is Key:

The best way to avoid a stalling mower is through preventative maintenance. Regularly clean the air filter, check the spark plug, and sharpen the blades. Refer to your owner's manual for a recommended maintenance schedule specific to your mower model.

By understanding the common reasons why a push mower won't stay running and following these troubleshooting tips, you can often get your mower back in top shape and keep your lawn looking neat and tidy. Remember, for complex repairs, a qualified mechanic is your best bet.

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