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Engine hard to start, will not start.
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Fuel tank empty.
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Add fuel and bleed fuel system.
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Water, dirt, or air in fuel system.
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Drain, flush, fill, and bleed fuel system.
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Improper type or old fuel.
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Consult fuel chart and use proper type of fuel for operating conditions.
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Plugged fuel filters.
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Replace filter elements and bleed system.
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Plugged fuel tank strainer.
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Drain fuel tank, remove and clean tank strainer.
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Low battery output.
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Check battery voltage. Clean battery. Charge if necessary.
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Excessive resistance in starting circuit.
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Clean and tighten all connections on battery and starter.
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Hydro linkage improperly adjusted.
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Adjust hydro linkage.
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Safety switch not activated.
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Move multifunction control handle to neutral. Inspect switch.
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Solenoid disconnected.
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Check wiring.
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Fuel pump primer lever position.
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Place lever in down position.
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Faulty injection pump solenoid.
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Replace solenoid.
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Crankcase oil of too heavy viscosity.
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Drain and fill crankcase with John Deere Torq-Gard Supreme oil of proper viscosity and quality.
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Low compression.
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See your John Deere dealer.
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Sticking valves.
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See your John Deere dealer.
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Dirty or faulty injectors.
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See your John Deere dealer.
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Cold weather.
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Use cold weather starting aids.
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| Symptom |
Problem |
Solution |
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Engine knocks.
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Clogged air intake.
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Service air filters. Check air intake for restrictions.
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Air in fuel system.
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Clean and bleed fuel system.
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Low coolant temperature.
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Incorrect or defective thermostat.
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Insufficient oil.
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Add oil of proper viscosity and quality.
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Injection nozzle valve sticking.
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See your John Deere dealer.
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Injection pump out of time.
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See your John Deere dealer.
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Loose or failed main bearing or connecting rod bearing, worn pistons and cylinders.
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See your John Deere dealer.
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Engine runs irregularly or stalls frequently.
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Low fuel level.
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Add fuel and check system.
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Clogged fuel filters.
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Replace filter element and bleed system.
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Plugged fuel tank strainer.
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Drain fuel tank, remove and clean tank strainer.
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Water, dirt or air in fuel system.
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Drain, flush, fill and bleed system. Tighten fuel connections.
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Low coolant temperature.
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Run engine until sufficiently warm; also check thermostat.
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Solenoid wire loose.
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Check wiring.
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Dirty or faulty injectors.
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See your John Deere dealer.
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Injection pump out of time.
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See your John Deere dealer.
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Injection pump speed advance.
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See your John Deere dealer.
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Bent push rods or sticky valves.
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See your John Deere dealer.
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Fuel tank vent obstructed.
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Clean vent in solvent, then blow dry.
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| Symptom |
Problem |
Solution |
|
Lack of power.
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Engine overload.
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Reduce load.
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Intake air restrictions.
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Service air cleaner. Check air intake for restrictions.
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Throttle position or selected speed range.
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Use proper throttle position and speed range.
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Clogged fuel filters.
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Replace filter element and bleed system.
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Plugged fuel tank strainer.
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Drain fuel tank, remove and clean tank strainer.
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Contamination in fuel tank.
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Clean out fuel tank and clean fuel strainer.
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Unsatisfactory fuel.
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Use fresh fuel of proper type.
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Overheated engine.
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See Engine Overheats in this section.
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Improper thermostat.
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Change to proper thermostat.
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High altitude operation.
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Engine loses horsepower with increase in altitude. Use proper type of fuel for high altitude.
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Dirty or faulty injectors.
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See your John Deere dealer.
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Injection pump out of time.
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See your John Deere dealer.
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Automatic advance not working.
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See your John Deere dealer.
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Improper valve clearance.
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See your John Deere dealer.
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Turbocharger not functioning.
|
See your John Deere dealer.
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Restricted fuel line.
|
Clean or replace fuel line.
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| Symptom |
Problem |
Solution |
|
Engine overheats.
|
Engine overloaded.
|
Reduce load.
|
|
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Loose or defective fan belt.
|
Replace belt.
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Low coolant level.
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Fill radiator with coolant to the proper level. Check hoses and radiator for leaks or loose connections.
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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.
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Cooling system internally restricted.
|
Drain and flush cooling system.
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Defective thermostat, pressure cap, switch or gauge.
|
Remove and check.
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Low engine oil level.
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Check oil level. Add as necessary.
|
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Wrong oil viscosity.
|
Change to proper oil viscosity.
|
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Engine timed too late.
|
See your John Deere dealer.
|
|
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Defective thermostats.
|
Replace thermostats.
|
|
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Leaking head gasket.
|
See your John Deere dealer.
|
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Engine temperature below normal.
|
Defective thermostat, gauge or sender unit.
|
Remove and check.
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Low oil pressure.
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Low oil level.
|
Check crankcase oil level on dipstick and add oil if necessary.
|
|
|
Improper type of oil.
|
Drain and fill crankcase with John Deere Plus-50 oil of proper viscosity and quality.
|
| Symptom |
Problem |
Solution |
|
Engine uses too much oil.
|
Oil leaks or engine overheating.
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Check for leaks in lines and around gaskets and drain plugs.
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|
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Restricted air intake system.
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Check air cleaner and swab out air intake.
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|
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Too low viscosity crankcase oil.
|
Drain and fill crankcase with oil of proper viscosity and quality.
|
|
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Excessive engine speed.
|
See your John Deere dealer.
|
|
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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 uses too much fuel.
|
Improper type of fuel.
|
Use proper type fuel for operating conditions. (See Fuels And Lubricants section.)
|
|
|
Engine overloaded.
|
Reduce load.
|
|
|
Clogged or dirty air cleaner.
|
Service air cleaner.
|
|
|
Dirty or faulty injectors.
|
See your John Deere dealer.
|
|
|
Engine out of time.
|
See your John Deere dealer.
|
|
|
Defective turbocharger.
|
See your John Deere dealer.
|
| Symptom |
Problem |
Solution |
|
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.)
|
| Symptom |
Problem |
Solution |
|
Battery will not charge.
|
Loose or corroded connections.
|
Clean and tighten battery connections.
|
|
|
Loose alternator belt.
|
Replace belt.
|
|
|
Defective battery.
|
Check voltage and/or specific gravity and electrolyte level.
|
|
|
Alternator not functioning 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.
|