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Engine crank but will not start
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Incorrect starting procedure.
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Review starting procedure.
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No fuel.
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Check fuel tank.
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Exhaust restricted.
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Check and correct exhaust restriction.
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Fuel filter plugged or full of water.
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Replace fuel filter or drain water from filter.
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Injection pump not getting fuel or air in fuel system.
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Check fuel flow at supply pump or bleed fuel system.
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Faulty injection pump or nozzles.
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Consult authorized diesel repair station for repair or replacement.
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Engine hard to start or will not start
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Air in fuel tank.
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Bleed fuel tank.
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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" in Electrical System Troubleshooting.
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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 shutoff not reset.
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Turn ignition switch to STOP, then to ON.
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Engine knocks
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Low engine oil level.
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Add oil to engine crankcase.
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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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| 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 fuel 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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Below normal engine temperature
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Defective thermostat.
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Remove and check thermostat.
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Defective temperature gauge or sender.
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Check gauge, sender, and conditions.
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| Symptom |
Problem |
Solution |
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Lack of power
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Engine overloaded.
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Reduce load.
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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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Check coolant level, fan belt and debris in radiator fins.
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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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Poor fuel performance.
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See your John Deere dealer.
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Poor bio-fuel performance.
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See your John Deere dealer.
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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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Bad pump.
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See your John Deere dealer.
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Bad sender.
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See your John Deere dealer.
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Sender disconnected.
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Connect sender.
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| Symptom |
Problem |
Solution |
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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 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 lower 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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Engine overloaded.
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Reduce load.
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Dirty radiator core or grille screen.
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Remove all trash.
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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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Stretched poly-vee belt or defective belt tensioner.
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Check automatic belt tensioner and check belts for stretching. Replace as required.
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Faulty radiator cap.
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Replace cap.
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Low engine oil level.
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Check oil level. Add oil as required.
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Cooling system needs flushing.
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See your John Deere dealer.
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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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Viscous fan drive not engaged-If Equipped.
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See your John Deere dealer.
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Dirty charge air cooler.
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Clean charge air cooler fins.
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| Symptom |
Problem |
Solution |
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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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Fuel leakage.
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Check fuel supply and return line for leaks. Check fuel tank for leaks and tighten clamps.
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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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Transmission oil over filled.
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Drain excess oil.
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Undercharged electrical system
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Excessive electrical load from added accessories.
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Remove accessories or install higher output alternator.
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Excessive engine idling.
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Increase engine rpm when heavy electrical load is used.
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Poor electrical connections on battery, ground strap, starter, or alternator.
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Inspect and clean as necessary.
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Defective battery.
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Test battery.
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Defective alternator.
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Test charging system.
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| Symptom |
Problem |
Solution |
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Battery uses too much water
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Cracked battery case.
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Check for moisture and replace as necessary.
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Defective battery.
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Test battery.
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Battery charging rate too high.
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Test charging system.
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Batteries will not charge
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Loose or corroded connections.
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Clean and tighten connections.
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Sulfated or worn-out batteries.
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See your John Deere dealer or engine distributor.
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Stretched poly-vee belt or defective belt tensioner.
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Adjust belt tension or replace belts.
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Starter will not crank
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Engine driveline engaged.
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Disengage engine driveline.
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Loose or corroded connections.
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Clean and tighten loose connections.
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Low battery output voltage.
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See your John Deere dealer or engine distributor.
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Faulty start circuit relay.
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See your John Deere dealer or engine distributor.
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Starter cranks slowly
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Low battery output.
|
See your John Deere dealer or engine distributor.
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Crankcase oil too heavy.
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Use proper viscosity oil.
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Loose or corroded connections.
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Clean and tighten loose connections.
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Starter and hour meter functions; rest of electrical system does not function
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Blown fuse on magnetic switch.
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Replace fuse.
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Entire electrical system does not function
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Faulty battery connection.
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Clean and tighten connections.
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Sulfated or worn-out batteries.
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See your John Deere dealer or engine distributor.
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