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