Troubleshooting - Toro 38078 Operator's Manual

Troubleshooting

Toro designed and built your snowthrower for trouble-free operation. Check the following components and items carefully,
and refer to Maintenance on page 18 for more information. If a problem continues, see an Authorized Service Dealer.
Problem
Electric starter does not turn
(electric-start models only)
Engine does not start or starts Engine does not start or starts
hard
Engine runs rough
Possible Causes
1. The power cord is
disconnected at the outlet or
the snowthrower.
2. The power cord is worn,
corroded, or damaged.
3. The power outlet is not
energized.
1. The key is not in the ignition or 1. The key is not in the ignition or
is in the Off position.
2. The choke is in the Off position
and the primer has not been
pressed.
3. The fuel shutoff valve is not
open.
4. The throttle is not in the Fast
position.
5. The fuel tank is empty or the
fuel system contains stale fuel.
6. The spark plug wire is loose or
disconnected.
7. The spark plug is pitted, fouled,
or the gap is incorrect.
8. The fuel cap vent is restricted.
9. The engine oil level in the
engine crankcase is too low or
too high.
10.The air temperature is above
40 F (4 C) and the carburetor
heater box is on the
snowthrower.
1. The choke is in the On position.
2. The fuel shutoff valve is not
completely open.
26
Corrective Action
1. Connect the power cord to the
outlet and/or the snowthrower.
2. Replace the power cord.
3. Have a qualified electrician
energize the power outlet.
1. Insert the key into the ignition 1. Insert the key into the ignition
and turn it to the On position.
2. Move the choke to the On
position and press the primer 3
times.
3. Open the fuel shutoff valve.
4. Move the throttle to the Fast
position.
5. Drain and/or fill the fuel tank
with fresh gasoline (not more
than 30 days old). If the
problem persists, contact your
Authorized Service Dealer.
6. Connect the wire to the spark
plug.
7. Check the spark plug and
adjust the gap if necessary.
Replace the spark plug if it is
pitted, fouled, or cracked.
8. Remove the vent restriction or
replace the fuel cap.
9. Add or drain oil to adjust the oil
level in engine crankcase to the
Full mark on the dipstick.
10.Remove the carburetor heater
box.
1. Move the choke to the Off
position.
2. Open the fuel shutoff valve.