What to do if White Outdoor WLT-538 Lawn Mower engine runs erratic?
- EEric JamesAug 17, 2025
If your White Outdoor Lawn Mower engine runs erratically, consider these possible causes and solutions: * The unit may be running with the CHOKE applied. Move the throttle control out of the CHOKE position. * Spark plug wires may be loose. Connect and tighten the spark plug wires. * The fuel line may be blocked, or the fuel may be stale. Clean the fuel line and fill the tank with clean, fresh gasoline (less than 30 days old). * The vent in the gas cap may be plugged. Clear the vent or replace the cap if it's damaged. * There may be water or dirt in the fuel system. Drain the fuel tank. * The air cleaner may be dirty. Replace the air cleaner cartridge/element or clean the pre-cleaner (if equipped).