21
Problem Possible
Cause
Corrective
Action
Engine runs rough
1. The choke is in the On position.
2. The fuel shutoff valve is not
completely open.
3. The fuel tank is nearly empty or
contains stale fuel.
4. The spark plug wire is loose.
5. The spark plug is pitted, fouled, or the
gap is incorrect.
6. The engine oil level in the engine
crankcase is too low or too high.
1. Move the choke to the Off
position.
2. Open the fuel shutoff valve.
3. Drain and fill the fuel tank
with fresh gasoline (not more
than 30 days old). If the
problem persists, contact the
dealer.
4. Connect the wire to the spark
plug.
5. Check the spark plug and
adjust the gap if necessary.
Replace the spark plug if it is
pitted, fouled, or cracked.
6. Add or drain oil to adjust the
oil level in the engine
crankcase to the Full mark on
the dipstick.
Engine runs, but the snow
thrower discharges snow poorly
or not at all
1. The throttle is not in the Fast position
when throwing snow.
2. The snow thrower is moving too fast
to clear the snow.
3. You are trying to remove too much
snow per swath.
4. You are trying to remove extremely
heavy or wet snow.
5. The discharge chute is plugged.
6. The auger/impeller drive belt is loose
or is off the pulley.
7. The auger/impeller drive belt is worn
or broken.
1. Move the throttle to the Fast
position.
2. Shift the snow thrower into a
lower gear.
3. Reduce the amount of snow
removed per swath.
4. Don’t overload the snow
thrower with extremely heavy
or wet snow.
5. Unclog the discharge chute.
6. Install and/or adjust the
auger/impeller drive belt.
7. Replace the auger/impeller
drive belt.
Discharge chute either does not
lock into place or does not move
1. The discharge chute latch is not
properly adjusted.
1. Adjust the discharge chute
latch.
Snowthrower does not properly
clear the snow off the surface
1. The skids and/or scraper are not
properly adjusted.
2. The pressure in the tires is not equal.
1. Adjust the skids and/or the
scraper.
2. Check and adjust the pressure
in one or both tires.
