Troubleshooting - Toro 2024 Operator's Manual

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Troubleshooting

Problem
The starter will not crank.
The engine cranks, but will not start.
Possible Cause
1. The B
-D
ATTERY
ISCONNECT
the O
position.
FF
2. The electrical connections are
corroded or loose.
3. A fuse is blown or loose.
4. The battery is discharged.
5. The relay or switch is damaged.
6. A starter or starter solenoid is
damaged.
7. The internal engine components have
seized.
1. An incorrect starting procedure was
used.
2. The fuel tank is empty.
3. The fuel shut-off valve is closed.
4. Dirt, water, stale fuel, or incorrect fuel
is in the fuel system.
5. The fuel line is clogged.
6. There is air in the fuel.
7. The glow plugs are inoperative.
8. The cranking speed is slow.
9. The air cleaner filters are dirty.
10. The fuel filter is clogged.
11. The fuel grade is improper for cold
weather use.
12. There is low compression.
13. The injection nozzles or pump are
malfunctioning.
14. The ETR solenoid is broken.
91
Corrective Action
switch is in
1. Turn the B
to the O
N
2. Check the electrical connections for
good contact.
3. Correct or replace the fuse.
4. Charge the battery or replace it.
5. Contact your Authorized Service
Dealer.
6. Contact your Authorized Service
Dealer.
7. Contact your Authorized Service
Dealer.
1. Refer to Starting and Stopping the
Engine.
2. Fill the tank with fresh fuel.
3. Open the fuel shut-off valve.
4. Drain and flush the fuel system, then
add fresh fuel.
5. Clean or replace the fuel line.
6. Bleed the nozzles and check for air
leaks at the fuel hose connections and
fittings between the fuel tank and the
engine.
7. Check the fuse, glow plugs, and wiring.
8. Check the battery, oil viscosity, and
starting motor (contact your Authorized
Service Dealer).
9. Service the air filters.
10. Replace the fuel filter.
11. Drain the fuel system and replace
the fuel filter. Add fresh fuel of the
proper grade for ambient temperature
conditions. You may need to warm the
entire machine.
12. Contact your Authorized Service
Dealer.
13. Contact your Authorized Service
Dealer.
14. Contact your Authorized Service
Dealer.
-D
switch
ATTERY
ISCONNECT
position.

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