Toro 22302TE Operator's Manual page 38

Troubleshooting
PROBLEM
The engine runs, but knocks or
misses (continued).
The engine will not idle.
The engine overheats. g
36
POSSIBLE CAUSES
3. There is air in the fuel.
4. The injection nozzles are
faulty.
5. Low compression
6. The injection pump timing is
incorrect.
7. Excessive carbon build–up.
8. Internal wear or damage.
1. The fuel tank vent is
restricted.
2. Dirt, water, stale fuel, or
incorrect fuel is in the fuel
system.
3. The fuel pump is faulty.
4. Low compression.
5. The air cleaner element is
dirty.
6. The fuel filter is clogged.
7. There is air in the fuel.
1. More coolant is needed.
2. Restricted air flow to the
radiator.
3. The crankcase oil level is
incorrect.
4. Excessive loading.
CORRECTIVE ACTION
3. Bleed nozzles and check for
air leaks at the fuel hose
connections and fittings
between the fuel tank and
engine.
4. Contact your Authorized
Service Dealer.
5. Contact your Authorized
Service Dealer.
6. Contact your Authorized
Service Dealer.
7. Contact your Authorized
Service Dealer.
8. Contact your Authorized
Service Dealer.
1. Contact your Authorized
Service Dealer.
2. Drain and flush the fuel
system; add fresh fuel.
3. Contact your Authorized
Service Dealer.
4. Contact your Authorized
Service Dealer.
5. Clean or replace.
6. Replace the fuel filter.
7. Bleed the nozzles and check
for air leaks at the fuel hose
connections and fittings
between the fuel tank and
engine.
1. Check and add coolant.
2. Inspect and clean the radiator
screen with every use.
3. Fill or drain to the full mark.
4. Reduce load; use lower
ground speed.