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SECTION 8: TROUBLESHOOTING
Trouble Possible Cause(s) Corrective Action
Engine fails to start Dirty air cleaner
Engine needs to be primed
Fuel tank empty
Stale fuel in gasoline tank
Throttle lever not in FAST
Spark plug wire disconnected.
Spark plug fauled
Engine flooded
Refer to the engine manual packed with your unit.
Push primer bulb two or three times.
Fill tank with clean, fresh gasoline.
Drain gasoline and refill tank with clean, fresh gasoline.
Move throttle lever to FAST (rabbit) position.
Connect the spark plug wire to the spark plug.
Clean, adjust gap or replace spark plug.
Refer to the engine manual packed with your unit.
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
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 manual packed with your unit.
Refer to the engine manual packed with your unit.
Engine overheats Engine oil level low
Air flow restricted
Dirty air filter
Carburetor not adjusted properly
Fill crankcase with proper oil.
Clean grass from around the engine’s cooling fins.
Replace the engine’s air filter.
Refer to the engine manual packed with your unit.
Excessive vibration Edger blade bent or damaged
Blade spindle bent or damaged
Replace edger blade.
Contact an authorized MTD service dealer.
Drive belt slips Belt worn or stretched Replace drive belt.
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