Troubleshooting – Husqvarna 966582201 User Manual

Page 43

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Problem

Cause

The engine will not start.

Blade lever is engaged.

Steering controls are not locked in neutral

position.
Driver is not sitting in driver’s seat.

Parking brake is not activated.

Battery is dead.

Contamination in carburetor or fuel line.

Fuel supply is closed or tap for fuel tank is in

wrong position.
Clogged fuel filter or fuel line.

The starter does not turn the engine over.

Dead battery.

Poor contacts on the battery terminal cable

connections.
Fuse blown.

Ignition system faulty.

Fault in the starter safety circuit. See Checking the

Safety System in the Maintenance section.

The engine runs rough.

Faulty carburetor.

Choke control used with warm engine.

Defective valves.

Defective piston, cylinder, piston ring, or

cylinder head seal.
Cylinder head bolts are loose.

Clogged fuel filter or jet.

Clogged ventilation valve on fuel cap.

Fuel tank nearly empty.

Fouled spark plug.

Spark plug is loose.

Defective ignition cable.

Defective spark plug electrode.

Defective spark plug connection.

Rich fuel mixture or fuel-air mixture.

Wrong fuel type.

Water in fuel.

Clogged air filter.

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