Toro 74353 Operator's Manual page 38

Problem
The engine will not start,
starts hard, or fails to keep
running.
The engine loses power.
The machine does not drive.
Possible Cause
1. The fuel tank is empty.
2. The fuel valve turned off. 2. Open the fuel valve.
3. The choke is not on.
4. The air cleaner is dirty.
5. The spark plug wire(s) is
loose or disconnected.
6. The spark plug(s) is
pitted, fouled, or the gap
is incorrect.
7. There is dirt in fuel lter.
8. Dirt, water, or stale fuel
is in fuel system.
9. There is incorrect fuel in
the fuel tank.
10.The oil level in the
crankcase is low.
1. The engine load is
excessive.
2. The air cleaner is dirty.
3. The oil level in the
crankcase is low.
4. The cooling ns and
air passages under the
engine blower housing
are plugged.
5. The spark plug(s) is
pitted, fouled, or the gap
is incorrect.
6. The vent in the fuel cap
is closed.
7. There is dirt in the fuel
lter.
8. Dirt, water, or stale fuel
is in the fuel system.
9. There is incorrect fuel in
the fuel tank.
1. The traction belts are
worn, loose, or broken.
2. The traction belts are off
of the pulleys.
38
Corrective Action
1. Fill the fuel tank.
3. Move the choke lever to
On.
4. Clean or replace the air
cleaner element.
5. Install the wire(s) on the
spark plug.
6. Install a new, correctly
gapped spark plug(s).
7. Replace the fuel lter.
8. Contact an Authorized
Service Dealer.
9. Drain the tank and
replace the fuel with the
proper type.
10.Add oil to the crankcase.
1. Reduce ground speed.
2. Clean the air cleaner
element.
3. Add oil to the crankcase.
4. Remove the obstruction
from the cooling ns and
air passages.
5. Install a new, correctly
gapped spark plug(s).
6. Open the vent in the fuel
cap.
7. Replace the fuel lter.
8. Contact an Authorized
Service Dealer.
9. Drain the tank and
replace the fuel with the
proper type.
1. Contact an Authorized
Service Dealer.
2. Contact an Authorized
Service Dealer.