How to troubleshoot a Columbia Lawn Mower when the engine fails to start?
- DDeanna KennedyAug 14, 2025
To troubleshoot a Columbia Lawn Mower engine that fails to start: * Ensure the PTO knob (or lever) is in the disengaged (OFF) position. * Engage the parking brake. * Connect the wire(s) to the spark plug(s). * Position the throttle lever to FAST. * Pull out the CHOKE control (if equipped) or place the throttle control in CHOKE. * Fill the tank with clean, fresh gas (less than 30 days old). * Clean the fuel line or replace the fuel filter (if equipped). * Clean, adjust the gap, or replace the spark plug. * Crank the engine with the throttle in FAST.