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Problem
Engine will not start.
Engine runs rough.
Engine seems weak.
machine vibrates.
TRoUBlESHooTING
Cause
•
Mower deck control is engaged.
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Speed control not in the start position.
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Spark plug wire is off.
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Contamination in the carburetor or fuel line.
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Fuel shutoff valve is closed.
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Clogged fuel filter or fuel line.
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Empty fuel tank.
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Faulty ignition system.
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Faulty carburetor.
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Choke control is pulled out with a warm engine.
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Clogged fuel filter or jet.
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Clogged ventilation valve on the fuel cap.
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Fuel tank nearly empty.
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Fouled spark plugs.
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Spark plug is loose.
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Defective ignition cable.
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Defective spark plug electrode.
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Defective spark plug connection.
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Rich fuel mixture or fuel-air mixture.
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Wrong fuel type.
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Water in the fuel.
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Clogged air filter.
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Clogged air filter.
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Fouled spark plug.
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Carburetor incorrectly adjusted.
•
Blades are loose.
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Blades are incorrectly balanced.
•
Engine is loose.
Husqvarna-41
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