IF
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CHECK
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ENGINE WILL NOT START OR IS HARD TO START
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Shift lever not in N (NEUTRAL).
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Transmission not in N (NEUTRAL).
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Key switch not in proper position.
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PTO switch in the ON position.
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Fuel shut-off valve CLOSED (OFF).
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Stale fuel / Improper fuel / fuel level.
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Plugged fuel filter.
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Plugged air intake filter.
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Spark plug wire is loose or disconnected.
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Spark plug not gapped correctly.
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Fuse is blown.
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Wrong engine oil viscosity.
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Electrical problem- electric start kit.
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Choke adjusted incorrectly - See your John Deere Dealer.
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ENGINE WILL NOT SLOW IDLE
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Carburetion problems - See your John Deere Dealer.
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ENGINE OVERHEATS
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Clean cooling fins.
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Low oil level.
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Do not operate at SLOW idle, Operate at FAST idle.
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Cooling air, intake screen is dirty.
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Plugged carburetor air intake filter.
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Operating at too fast ground speed for conditions.
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ENGINE RUNS ROUGH
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Fuel shut-off valve partially closed.
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Plugged fuel filter.
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Plugged air intake filter.
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Fuel cap vent dirty.
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Stale or improper fuel / fuel level.
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Spark plug not gapped correctly.
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Replace spark plug.
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Choke adjusted incorrectly - See your John Deere Dealer.
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Carburetion problems - See your John Deere Dealer.
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ENGINE KNOCKS
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Fuel is bad. Fill tank with fresh fuel, correct octane.
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Reduce load. (slower ground speed)
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Operate engine at FAST idle.
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ENGINE LACKS POWER
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Reduce load.
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Plugged air intake filter.
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Plugged fuel filter.
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Drain and fill tank with correct fuel.
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Clean cooling fins to help prevent overheating.
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Spark plug.
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ENGINE USES TOO MUCH OIL
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Find and correct oil leaks.
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Incorrect engine oil.
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Plugged air intake filter.
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ENGINE BACKFIRES THROUGH MUFFLER
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Carburetion problems - See your John Deere Dealer.
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ENGINE BACKFIRES THROUGH CARBURETOR
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Carburetion problems - See your John Deere Dealer.
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