Why is my Husqvarna Lawn Mower engine not running smoothly?
- DDeborah RuizNov 20, 2025
If your Husqvarna Lawn Mower engine isn't running smoothly, several factors could be the cause. Start by checking the spark plug and replacing it if damaged. A dirty air filter can also cause this issue, so clean or replace it. Other potential issues include a damaged check valve on the fuel tank cap (replace the cap), a nearly empty fuel tank (fill it with fuel), water in the fuel (remove all fuel from the fuel tank and the carburetor. Fill the fuel tank with new fuel and replace the fuel filter), the choke being engaged on a warm engine (disengage the choke), an incorrect fuel mix or fuel type (remove the old fuel and replace it with the correct one), a clogged fuel filter (replace the fuel filter), or dirt in the carburetor or fuel line (clean the carburetor and fuel lines). For carbure...











