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Problem Cause Remedy
Engine fails to start Dirty air cleaner
Engine needs to be primed
Fuel tank empty
Stale fuel in gasoline tank
Spark plug wire disconnected.
Spark plug fouled
Engine flooded
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Refer to the Engine Operator’s Manual
Push primer bulb two or three times.
Fill tank with clean, fresh gasoline.
Drain gasoline and refill tank with clean,
fresh gasoline.
Connect the spark plug wire to the spark
plug.
Clean, adjust gap or replace spark plug.
Refer to the Engine Operator’s Manual.
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Engine runs erratic Spark plug wire loose
Stale fuel in gasoline tank
Vent in gas cap plugged
Water or dirt in fuel system
Dirty air cleaner
Carburetor out of adjustment
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Connect and tighten spark plug wire.
Drain gasoline and refill tank with clean,
fresh gasoline.
Clear vent of any debris.
Drain fuel tank. Refill with fresh fuel.
Refer to the Engine Operator’s Manual.
Refer to the Engine Operator’s Manual.
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Engine Overheats Engine oil level low
Air flow restricted
Dirty air filter
Carburetor not adjusted properly
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Fill crankcase with proper oil.
Clean the area around the engine’s cooling
fins.
Replace the engine’s air filter.
Refer to the Engine Operator’s Manual.
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Excessive Vibration Edger blade bent or damaged
Blade spindle bent or damaged
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Replace edger blade.
Contact an authorized MTD service dealer.
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Drivebelt Slips Belt worn or stretched1. Replace drive belt.1.
Troubleshooting
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