Troubleshooting - Toro 30187 Operator's Manual

9. Add a petroleum based stabilizer/conditioner to fuel in
the tank. Follow mixing instructions from stabilizer
manufacturer. Do not use an alcohol based stabilizer
(ethanol or methanol).
Note: A fuel stabilizer/conditioner is most effective when
mixed with fresh gasoline and used at all times.
10. Run the engine to distribute conditioned fuel through
the fuel system (5 minutes).
11. Stop the engine, allow it to cool and drain the fuel tank;
refer to Draining the Fuel Tank, page 25.
12. Restart the engine and run it until it stops.
13. Choke or prime the engine.
14. Start and run the engine until it will not start again. Use
the primer, if equipped on machine, several times to
ensure no fuel remains in primer system.

Troubleshooting

PROBLEM
Engine will not start, starts hard, or g
f il fails to keep running. k i
Engine loses power. g p
15. Dispose of fuel properly. Recycle as per local codes.
Important
over 90 days.
16. Check and tighten all bolts, nuts, and screws. Repair or
replace any part that is damaged or defective.
17. Paint all scratched or bare metal surfaces. Paint is
available from your Authorized Service Dealer.
18. Store the machine in a clean, dry garage or storage area.
Remove the key from the ignition switch and keep it in
a memorable place. Cover the machine to protect it and
keep it clean.
POSSIBLE CAUSES
1. Fuel tank is empty.
2. Choke is not ON.
3. Air cleaner is dirty.
4. Spark plug wire is loose or
disconnected.
5. Spark plug is pitted, fouled, or
gap is incorrect.
6. Dirt in fuel filter.
7. Dirt, water, or stale fuel is in
fuel system.
8. Battery is dead.
1. Engine load is excessive.
2. Air cleaner is dirty.
3. Oil level in crankcase is low.
4. Cooling fins and air passages
under engine blower housing
are plugged.
5. Spark plug is pitted, fouled, or
gap is incorrect.
6. Vent hole in fuel cap is
plugged.
7. Dirt in fuel filter.
8. Dirt, water, or stale fuel is in
fuel system.
34
Do not store stabilizer/conditioned gasoline
CORRECTIVE ACTION
1. Fill fuel tank with gasoline.
2. Move choke lever to ON.
3. Clean or replace air cleaner
element.
4. Install wire on spark plug.
5. Install new, correctly gapped
spark plug.
6. Replace fuel filter.
7. Contact Authorized Service
Dealer.
8. Charge battery.
1. Reduce ground speed.
2. Clean air cleaner element.
3. Add oil to crankcase.
4. Remove obstruction from
cooling fins and air passages.
5. Install new, correctly gapped
spark plug.
6. Clean or replace the fuel cap.
7. Replace fuel filter.
8. Contact Authorized Service
Dealer.