Why does my lawn mower run for a few minutes then stops?

If you’ve got a lawn mower that runs for 30 minutes then dies, the most common culprits are: a faulty spark plug or ignition coil, blocked fuel delivery, and air supply problems. A variety of parts are involved here, but the first things you’ll want to check out are the spark plug, carburetor, and fuel cap.

Why does my lawnmower keep stopping?

Clogged Filter Conundrums

A clogged air filter can cut off the required air supply to the lawnmower’s carburetor and cause the engine to stop repeatedly. Read the lawnmower’s owner’s manual if you’re not sure how to access the air filter, and check whether or not the air filter is blocked by dirt or other debris.

Why does my lawn mower only run for a few seconds then dies?

If your lawn mower starts, runs briefly, then dies these are the four most common reasons that’s happening: Dirty carburetor / clogged carburetor bowl. Old gasoline that has gone bad. Dirty or defective spark plugs.

How do you clean a carburetor on a lawn mower without removing it?

Use Carburetor Cleaner

Fortunately, you can generally do this without even taking the carburetor out of the engine. Start by purchasing some commercial lawnmower carburetor cleaner, which comes in a simple spray can and will make it easy to clean the inside and outside of the carb.

Can a bad spark plug cause a mower to stall?

In the case of a riding lawnmower, it could take a lot longer for the starter motor to turn the engine over, which could also start to tax it or even affect the life of the battery. A badly degraded or deformed spark plug could cause the lawnmower’s engine to stall.

Will a weak battery cause my mower to stall?

Check that all the safety switches are working correctly, it is possible the seat switch is bad or loose plug/ bad wire. Also if battery weak or charging system weak/faulty the clutch will stall out engine, charge battery up with charger and try.

Similar Posts