Engine Troubleshooting
| Symptom | Problem | Solution |
|
Engine hard to start or will not start
| Improper starting procedure. |
Reviewing starting procedure.
|
| |
No fuel.
|
Check fuel tank.
|
| |
Air in fuel system.
|
Bleed fuel system.
|
| |
Hand primer left raised.
|
Push primer down.
|
| |
Cold weather.
|
Use cold weather starting
procedure.
|
| |
Slow starter speed.
|
See “Starter Cranks
Slowly”.
|
| |
Crankcase oil too heavy.
|
Use oil of proper viscosity.
|
| |
Improper type of fuel.
|
Consult fuel supplier;
use proper type fuel for operating conditions.
|
| |
Water, dirt, or air in fuel system.
|
Drain, flush, fill and
bleed system.
|
| |
Clogged fuel filter.
|
Replace filter element.
|
| |
Dirty or faulty injectors.
|
Have John Deere dealer
check injectors.
|
| |
Injection pump shut-off not reset.
|
Turn key switch to “OFF”
then to “ON”.
|
| |
Fuel shut-off valve closed.
|
Open fuel shut-off valve.
|
|
Engine knocks
| Insufficient oil. |
Add oil.
|
| |
Injection pump out of time.
|
See your John Deere dealer.
|
| |
Low coolant temperature.
|
Remove and check thermostat.
|
| |
Engine overheating.
|
See “Engine Overheats”.
|
|
Engine runs irregularly or stalls frequently
| Low coolant temperature. |
Remove and check thermostat.
|
| |
Clogged fuel filter.
|
Replace filter element.
|
| |
Water, dirt, or air in fuel system.
|
Drain, flush, fill, and
bleed system.
|
| |
Dirty or faulty injectors.
|
Have John Deere dealer
check injectors.
|
| |
Improper type of fuel.
|
Use proper fuel.
|
|
Below normal engine temperature
| Defective temperature gauge or sender. |
Check gauge, sender and
connections.
|
|
Lack of power
| Engine overloaded. |
Reduce load or shift to
lower gear.
|
| |
Low fast idle speed.
|
See your John Deere dealer.
|
| |
Intake air restriction.
|
Service air cleaner.
|
| |
Clogged fuel filter.
|
Replace filter element.
|
| |
Improper type of fuel.
|
Use proper fuel.
|
| |
Overheated engine.
|
See “Engine Overheats”.
|
| |
Below normal engine temperature.
|
Remove and check thermostat.
|
| |
Improper valve clearance.
|
See your John Deere dealer.
|
| |
Dirty or faulty injectors.
|
Have John Deere dealer
check injectors.
|
| |
Injection pump out of time.
|
See your John Deere dealer.
|
| |
Turbocharger not functioning.
|
See your John Deere dealer.
|
| |
Leaking exhaust manifold gasket.
|
See your John Deere dealer.
|
| |
Implement improperly adjusted.
|
See implement operator's
manual.
|
| |
Restricted fuel line.
|
Clean or replace fuel
line.
|
| |
Restricted return line.
|
Clean or replace return
line.
|
| |
Improper ballast.
|
Adjust ballast to load.
|
|
Low oil pressure
| Low oil level. |
Add oil.
|
| |
Improper type of oil.
|
Drain, fill crankcase with
oil of proper viscosity and quality.
|
|
High oil consumption
| Crankcase oil too light. |
Use proper viscosity oil.
|
| |
Oil leaks.
|
Check for leaks in lines,
around gaskets and drain plugs.
|
| |
Restricted crankcase vent tube.
|
Clean vent tube.
|
| |
Defective turbocharger.
|
See your John Deere dealer.
|
|
Engine emits white smoke
| Improper type fuel. |
Use proper fuel.
|
| |
Low engine temperature.
|
Warm up engine to normal
operating temperature.
|
| |
Defective thermostat.
|
Remove and check thermostat.
|
| |
Defective injection nozzles.
|
See your John Deere dealer.
|
| |
Engine out of time.
|
See your John Deere dealer.
|
|
Engine emits black or grey exhaust smoke
| Improper type of fuel. |
Use proper fuel.
|
| |
Clogged or dirty air cleaner.
|
Service air cleaner.
|
| |
Engine overloaded.
|
Reduce load or shift to
a low gear.
|
| |
Injection nozzles dirty.
|
See your John Deere dealer.
|
| |
Engine out of time.
|
See your John Deere dealer.
|
| |
Turbocharger not functioning.
|
See your John Deere dealer.
|
|
Engine overheats
| Dirty radiator core, or grille screens. |
Remove all trash.
|
| |
Engine overloaded.
|
Shift to lower gear or
reduce load.
|
| |
Low engine oil level.
|
Check oil level. Add oil
as required.
|
| |
Low coolant level.
|
Fill radiator to proper
level, check radiator, expansion tank, and hoses for loose connection
or leaks.
|
| |
Faulty radiator cap.
|
See your John Deere dealer.
|
| |
Loose or defective fan belt.
|
Adjust belt tension; replace
belt, if necessary
|
| |
Cooling system needs flushing.
|
Flush cooling system.
|
| |
Defective thermostat.
|
Remove and check thermostat.
|
| |
Defective temperature gauge or sender.
|
See your John Deere dealer.
|
| |
Incorrect grade of fuel.
|
Use proper fuel.
|
|
High fuel consumption.
| Improper type of fuel. |
Use proper fuel.
|
| |
Clogged or dirty air cleaner.
|
Service air cleaner.
|
| |
Engine overloaded.
|
Reduce load or shift to
a lower gear.
|
| |
Improper valve clearance.
|
See your John Deere dealer.
|
| |
Injection nozzles dirty.
|
See your John Deere dealer.
|
| |
Engine out of time.
|
See your John Deere dealer.
|
| |
Implement improperly adjusted.
|
See implement operator's
manual.
|
| |
Low engine temperature.
|
Check thermostat.
|
| |
Excessive ballast.
|
Adjust ballast to load.
|
| |
Defective turbocharger.
|
See your John Deere dealer.
|
| |
Restricted air intake system.
|
Check system.
|
| |
Plugged crankcase vent tube.
|
Clean vent tube.
|
|