| Symptom | Problem | Solution |
|
Engine hard to start, will not start.
| Fuel tank empty. |
Add fuel and bleed fuel
system.
|
| |
Water, dirt, or air in fuel system.
|
Drain, flush, fill,
and bleed fuel system.
|
| |
Improper type or old fuel.
|
Consult fuel chart and
use proper type of fuel for operating conditions.
|
| |
Plugged fuel filters.
|
Replace filter elements
and bleed system.
|
| |
Plugged fuel tank strainer.
|
Drain fuel tank, remove
and clean tank strainer.
|
| |
Low battery output.
|
Check battery voltage.
Clean battery. Charge if necessary.
|
| |
Excessive resistance in starting circuit.
|
Clean and tighten all
connections on battery and starter.
|
| |
Hydro linkage improperly adjusted.
|
Adjust hydro linkage.
|
| |
Safety switch not activated.
|
Move multifunction control
handle to neutral. Inspect switch.
|
| |
Solenoid disconnected.
|
Check wiring.
|
| |
Fuel pump primer lever position.
|
Place lever in down
position.
|
| |
Faulty injection pump solenoid.
|
Replace solenoid.
|
| |
Crankcase oil of too heavy viscosity.
|
Drain and fill crankcase
with John Deere Plus-50 II oil of proper viscosity and quality.
|
| |
Low compression.
|
See your John Deere
dealer.
|
| |
Sticking valves.
|
See your John Deere
dealer.
|
| |
Dirty or faulty injectors.
|
See your John Deere
dealer.
|
| |
Cold weather.
|
Use cold weather starting
aids.
|
|
Engine knocks.
| Clogged air intake. |
Service air filters.
Check air intake for restrictions.
|
| |
Air in fuel system.
|
Clean and bleed fuel
system.
|
| |
Low coolant temperature.
|
Incorrect or defective
thermostat.
|
| |
Insufficient oil.
|
Add oil of proper viscosity
and quality.
|
| |
Injection nozzle valve sticking.
|
See your John Deere
dealer.
|
| |
Injection pump out of time.
|
See your John Deere
dealer.
|
| |
Loose or failed main bearing or connecting rod bearing,
worn pistons and cylinders.
|
See your John Deere
dealer.
|
|
Engine runs irregularly or stalls frequently.
| Low fuel level. |
Add fuel and check system.
|
| |
Clogged fuel filters.
|
Replace filter element
and bleed system.
|
| |
Plugged fuel tank strainer.
|
Drain fuel tank, remove
and clean tank strainer.
|
| |
Water, dirt or air in fuel system.
|
Drain, flush, fill and
bleed system. Tighten fuel connections.
|
| |
Low coolant temperature.
|
Run engine until sufficiently
warm; also check thermostat.
|
| |
Solenoid wire loose.
|
Check wiring.
|
| |
Dirty or faulty injectors.
|
See your John Deere
dealer.
|
| |
Injection pump out of time.
|
See your John Deere
dealer.
|
| |
Injection pump speed advance.
|
See your John Deere
dealer.
|
| |
Bent push rods or sticky valves.
|
See your John Deere
dealer.
|
| |
Fuel tank vent obstructed.
|
Clean vent in solvent,
then blow dry.
|
|
Lack of power.
| Engine overload. |
Reduce load.
|
| |
Intake air restrictions.
|
Service air cleaner.
Check air intake for restrictions.
|
| |
Throttle position or selected speed range.
|
Use proper throttle
position and speed range.
|
| |
Clogged fuel filters.
|
Replace filter element
and bleed system.
|
| |
Plugged fuel tank strainer.
|
Drain fuel tank, remove
and clean tank strainer.
|
| |
Contamination in fuel tank.
|
Clean out fuel tank
and clean fuel strainer.
|
| |
Unsatisfactory fuel.
|
Use fresh fuel of proper
type.
|
| |
Overheated engine.
|
See Engine Overheats
in this section.
|
| |
Improper thermostat.
|
Change to proper thermostat.
|
| |
High altitude operation.
|
Engine loses horsepower
with increase in altitude. Use proper type of fuel for high altitude.
|
| |
Dirty or faulty injectors.
|
See your John Deere
dealer.
|
| |
Injection pump out of time.
|
See your John Deere
dealer.
|
| |
Automatic advance not working.
|
See your John Deere
dealer.
|
| |
Improper valve clearance.
|
See your John Deere
dealer.
|
| |
Turbocharger not functioning.
|
See your John Deere
dealer.
|
| |
Restricted fuel line.
|
Clean or replace fuel
line.
|
|
Engine overheats.
| Engine overloaded. |
Reduce load.
|
| |
Loose or defective fan belt.
|
Replace belt.
|
| |
Low coolant level.
|
Fill radiator with coolant
to the proper level. Check hoses and radiator for leaks or loose connections.
|
| |
Dirty cooling system radiator core, air conditioning
condenser or engine side screens.
|
Remove all foreign matter
from exterior or radiator core, air conditioning condenser and screens.
Steam clean if necessary.
|
| |
Cooling system internally restricted.
|
Drain and flush cooling
system.
|
| |
Defective thermostat, pressure cap, switch or gauge.
|
Remove and check.
|
| |
Low engine oil level.
|
Check oil level. Add
as necessary.
|
| |
Wrong oil viscosity.
|
Change to proper oil
viscosity.
|
| |
Engine timed too late.
|
See your John Deere
dealer.
|
| |
Defective thermostats.
|
Replace thermostats.
|
| |
Leaking head gasket.
|
See your John Deere
dealer.
|
|
Engine uses too much oil.
| Oil leaks or engine overheating. |
Check for leaks in lines
and around gaskets and drain plugs.
|
| |
Restricted air intake system.
|
Check air cleaner and
swab out air intake.
|
| |
Too low viscosity crankcase oil.
|
Drain and fill crankcase
with oil of proper viscosity and quality.
|
| |
Excessive engine speed.
|
See your John Deere
dealer.
|
| |
High oil pressure.
|
See your John Deere
dealer.
|
| |
Scored pistons, stuck rings or worn valve guides.
|
See your John Deere
dealer.
|
| |
Internal parts worn.
|
See your John Deere
dealer.
|
|
Engine emits black or gray exhaust smoke.
| Improper fuel type. |
Use proper type of fuel
for operating conditions.
|
| |
Engine overloaded.
|
Reduce load.
|
| |
Clogged or dirty air cleaner.
|
Check air cleaner for
restrictions. Be sure filter element is clean.
|
| |
Dirty or faulty injectors.
|
See your John Deere
dealer.
|
| |
Air in fuel system.
|
Bleed fuel system. Check
all connections and fuel tank level.
|
| |
Defective muffler.
|
Check the muffler for
possible damage which might create back pressure. Clean muffler.
|
| |
Engine out of time.
|
Make sure injection
pump is timed properly. (See your John Deere dealer.)
|
|
Engine emits white exhaust smoke.
| Cold engine. |
Warm engine to normal
operating temperatures.
|
| |
Clogged or dirty air cleaner.
|
Service air cleaner.
|
| |
Improper type of fuel.
|
Low octane fuel will
cause misfiring. Use only fuel which has recommended cetane or octane
number.
|
| |
Injection nozzles dirty.
|
See your John Deere
dealer.
|
| |
Thermostat defective or too cold.
|
Remove and check thermostat.
|
| |
Turbocharger not functioning.
|
See your John Deere
dealer.
|
| |
Engine out of time.
|
Make sure injection
pump is timed properly. (See your John Deere dealer.)
|
|
Starter cranks slowly or will not crank.
| Loose or corroded harness or battery connections.
|
Clean and tighten loose
connections.
|
| |
Low battery output.
|
Use voltmeter to check
state of charge.
|
| |
Safety switch not activated.
|
Move multifunction control
handle lever to neutral.
|
| |
Starter solenoid defective.
|
Repair or replace, if
necessary.
|