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Diagnose & Troubleshoot Lawn Tractors
Select one of the symptoms below to find possible causes and common solutions for your MTD lawn tractor.
Engine cranks but will not start
|Possible Causes||Corrective Actions|
1Throttle or choke not in starting position
Check operator’s manual for correct position for throttle control and choke for starting.
No fuel in carburetor
Gasoline tank is empty. Fill tank with fresh gasoline. Fuel line or filter is blocked with dirt or debris. Clean fuel line. Replace fuel filter.
Spark plug wire disconnected, spark plug fouled or faulty
Connect spark plug wire. Check with spark plug tester. Clean and set gap to proper setting. Replace spark plug.
Dirty air filter
Clean or replace air filter.