Review starting procedure.

No fuel.

Check fuel tank.

Exhaust restricted.

Check and correct exhaust restriction.

Fuel filter plugged or full of water.

Replace fuel filter or drain water from filter.

Injection pump not getting fuel or air in fuel system.

Check fuel flow at supply pump or bleed fuel system.

Faulty injection pump or nozzles.

Consult authorized diesel repair station for repair or replacement.

Bleed fuel tank.

Cold weather.

Use cold weather starting procedure.

Slow starter speed.

See “Starter Cranks Slowly” in Electrical System Troubleshooting.

Crankcase oil too heavy.

Use oil of proper viscosity.

Improper type of fuel.

Consult fuel supplier; use proper type of 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 shutoff not reset.

Turn ignition switch to STOP, then to ON.

Add oil to engine crankcase.

Injection pump out of time.

See your John Deere dealer.

Low coolant temperature.

See your John Deere dealer.

See your John Deere dealer.

Clogged fuel filter.

Replace fuel 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.

Remove and check thermostat.

Defective temperature gauge or sender.

Check gauge, sender, and conditions.

See your John Deere Dealer

Engine overloaded.

Reduce load.

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.

Check coolant level, inspect fan belt, and check radiator fins for debris.

Below normal engine temperature.

See your John Deere dealer.

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.

See your John Deere dealer.

Restricted return line.

See your John Deere dealer.

Improper ballast.

Adjust ballast to load.

Poor fuel performance.

See your John Deere dealer.

Poor bio-fuel performance.

See your John Deere dealer.

Add oil.

Improper type of oil.

Drain; fill crankcase with oil of proper viscosity and quality.

Bad pump.

See your John Deere dealer.

Bad sender.

See your John Deere dealer.

Sender disconnected.

Connect sender.

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.

Use proper fuel.

Low engine temperature.

Warm up engine to normal operating temperature.

Defective injection nozzles.

See your John Deere dealer.

Engine out of time.

See your John Deere dealer.

Cold start advance or light load advance not functioning.

See your John Deere dealer.

Use proper fuel.

Clogged or dirty air cleaner.

Service air cleaner.

Engine overloaded.

Reduce load or shift to a lower 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.

Reduce load.

Dirty radiator core or grille screen.

Remove all debris.

Low coolant level.

Fill radiator to proper level. Check radiator, coolant recovery tank, and hoses for loose connection or leaks.

Stretched poly-vee belt or defective belt tensioner.

Check automatic belt tensioner and check belts for stretching. Replace as required.

Faulty radiator cap.

Replace cap.

Low engine oil level.

Check oil level. Add oil as required.

Cooling system needs flushing.

See your John Deere dealer.

Defective thermostat.

See your John Deere dealer.

Defective temperature gauge or sender.

See your John Deere dealer.

Incorrect grade of fuel.

Use proper fuel.

Viscous fan drive not engaged (if equipped).

See your John Deere dealer.

Dirty charge air cooler.

Clean charge air cooler fins.

Use proper fuel.

Clogged or dirty air cleaner.

Service air cleaner.

Engine overloaded.

Reduce load or shift to a lower gear.

Fuel leakage.

Check fuel supply and return line for leaks. Check fuel tank for leaks and tighten clamps.

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.

See your John Deere dealer.

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.

Transmission oil over filled.

Drain excess oil.

Remove accessories or install higher output alternator.

Excessive engine idling.

Increase engine rpm when heavy electrical load is used.

Poor electrical connections on battery, ground strap, starter, or alternator.

Inspect and clean as necessary.

Defective battery.

Test battery.

Defective alternator.

Test charging system.

Check for moisture and replace as necessary.

Defective battery.

Test battery.

Battery charging rate too high.

Test charging system.

Clean and tighten connections.

Sulfated or worn-out batteries.

See your John Deere dealer or engine distributor.

Stretched poly-vee belt or defective belt tensioner.

Adjust belt tension or replace belts.

Disengage engine driveline.

Loose or corroded connections.

Clean and tighten loose connections.

Low battery output voltage.

See your John Deere dealer or engine distributor.

Faulty start circuit relay.

See your John Deere dealer or engine distributor.

See your John Deere dealer or engine distributor.

Crankcase oil too heavy.

Use proper viscosity oil.

Loose or corroded connections.

Clean and tighten loose connections.

Replace fuse.

Clean and tighten connections.

Sulfated or worn-out batteries.

See your John Deere dealer or engine distributor.

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