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Diagnose & TroubleshootZero-turn Mowers
Select one of the symptoms below to find possible causes and common solutions for your MTD zero-turn mower.
Engine fails to start
|Possible Causes||Corrective Actions|
1PTO/Blade Engage knob engaged
Place knob in disengaged (OFF) position
Parking brake not engaged
Engage parking brake
Drive control levers not full outward in neutral position
Move drive control levers fully outward in neutral position
Spark plug wire(s) disconnected
Connect wire(s) to spark plug(s)
Throttle/Choke control lever not in correct starting position
Place throttle/choke lever to choke position
Choke not activated
Push throttle/choke control lever to choke position
Fuel tank empty or stale fuel
Fill tank with clean, fresh (less than 30 days old) gas
Blocked fuel line
Clean fuel line and replace fuel filter
Faulty spark plug(s)
Clean, adjust gap or replaces plug(s)
Crank engine with throttle in FAST position