Troubleshooting
Troubleshooting the Engine and Machine
Problem
Possible Cause
Corrective Action
1. The range selector is in a gear other
than N
EUTRAL
.
1. Press the brake pedal and move the
range selector to the N
EUTRAL
position.
2. The electrical connections are
corroded or loose.
2. Check the electrical connections for
good contact.
3. A fuse is blown or loose.
3. Correct or replace fuse.
4. The battery is discharged.
4. Charge or replace the battery.
5. The safety-interlock system is
malfunctioning.
5. Contact your authorized Toro
distributor.
6. A starter or starter solenoid is broken.
6. Contact your authorized Toro
distributor.
The starter does not crank.
7. The internal engine components have
seized.
7. Contact your authorized Toro
distributor.
1. The fuel tank is empty.
1. Fill the tank with fresh fuel.
2. Dirt, water, or stale fuel is in the fuel
system.
2. Drain and flush the fuel system; add
fresh fuel.
3. The fuel line is clogged.
3. Clean or replace the fuel system.
4. The spark plug lead is disconnected.
4. Connect the spark plug.
5. A spark plug is damaged or dirty.
5. Replace the spark plug.
6. The kill relay is not energized.
6. Contact your authorized Toro
distributor.
The engine cranks but does not start.
7. The ignition is broken.
7. Contact your authorized Toro
distributor.
1. The fuel tank vent is restricted.
1. Replace the fuel cap.
2. Dirt or water is in the fuel system.
2. Drain and flush the fuel system; add
fresh fuel.
3. The fuel filter is clogged.
3. Replace the fuel filter.
4. A fuse is blown or loose.
4. Correct or replace the fuse.
5. The fuel pump is broken.
5. Contact your authorized Toro
distributor.
6. The carburetor is broken.
6. Contact your authorized Toro
distributor.
7. There are loose wires or poor
connections.
7. Check and tighten wire connections.
The engine starts but does not keep
running.
8. The cylinder head gasket is broken.
8. Contact your authorized Toro
distributor.
1. Dirt, water, or stale fuel is in the fuel
system.
1. Drain and flush the fuel system; add
fresh fuel.
2. A spark plug lead is loose.
2. Connect the spark plug lead.
3. A spark plug is broken.
3. Replace the spark plug.
4. There are loose wires or poor
connections.
4. Check and tighten wire connections.
The engine runs but knocks or misses.
5. The engine is overheating.
5. See “The engine overheats” in
Troubleshooting the Engine and
Machine.
73
