Troubleshooting - Toro 41594 Operator's Manual

Troubleshooting

Troubleshooting the Engine and Vehicle
Problem
The starter does not rotate the engine.
The engine cranks, but does not start.
The engine starts, but does not keep
running.
The engine runs, but knocks or misses.
The engine does not idle.
The engine overheats.
Possible Cause
1. The electrical connections are
corroded or loose.
2. A fuse is blown or loose.
3. The battery is discharged.
4. A broken starter or starter solenoid.
5. Seized internal engine components.
1. The fuel tank is empty.
2. Dirt, water, or stale fuel is in the fuel
system.
3. Clogged fuel line.
4. The kill relay is not energized.
5. The starter switch is broken.
1. The fuel tank vent is restricted.
2. Dirt or water in the fuel system.
3. The fuel filter is clogged.
4. A fuse is blown or loose.
5. The fuel pump is broken.
6. Loose wires or poor connections.
7. The cylinder head gasket is broken.
1. Dirt, water, or stale fuel is in the fuel
system.
2. Loose wires or poor connections.
3. The engine is overheating.
1. The fuel tank vent is restricted.
2. Dirt, water, or stale fuel is in the fuel
system.
3. The fuel pump is broken.
4. Low compression.
5. The air cleaner element is dirty.
1. The crankcase oil level is incorrect.
2. The coolant level is low.
3. Excessive loading.
4. The air intake screens are dirty.
5. The cooling fins and air passages
under the engine blower housing
and/or the rotating air intake screen
are plugged.
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Corrective Action
1. Check the electrical connections for
good contact.
2. Correct or replace fuse.
3. Charge or replace the battery.
4. Contact your Authorized Service
Dealer.
5. Contact your Authorized Service
Dealer.
1. Fill the tank with fresh fuel.
2. Drain and flush the fuel system; add
fresh fuel.
3. Clean or replace.
4. Contact your Authorized Service
Dealer.
5. Contact your Authorized Service
Dealer.
1. Replace the fuel cap.
2. Drain and flush the fuel system; add
fresh fuel.
3. Replace the fuel filter.
4. Correct or replace the fuse.
5. Contact your Authorized Service
Dealer.
6. Check and tighten wire connections.
7. Contact your Authorized Service
Dealer.
1. Drain and flush the fuel system; add
fresh fuel.
2. Check and tighten wire connections.
3. See "The engine overheats" below.
1. Replace the fuel cap.
2. Drain and flush the fuel system; add
fresh fuel.
3. Contact your Authorized Service
Dealer.
4. Contact your Authorized Service
Dealer.
5. Replace the air-filter element.
1. Fill or drain to the Full mark.
2. Check the coolant level and replenish
it as needed.
3. Reduce load; use lower ground speed.
4. Clean with the air intake screens with
every use.
5. Clean the cooling fins and air passages
with every use.