Engine Troubleshooting

SymptomProblemSolution

Engine hard to start or will not start

Incorrect starting procedure

Review starting procedure

 

Blown fuse

Check fuse 17

 

No fuel

Check fuel tank

 

Air in fuel line

Bleed fuel line (Turn key to ”RUN” for 60 seconds with engine off)

 

Cold weather

Use cold weather starting aids

 

Slow starter speed

See Starter Cranks Slowly

 

Crankcase oil too heavy

Use correct oil viscosity

 

Incorrect type of fuel

Consult fuel supplier; use correct fuel type for operating conditions

 

Water, dirt, or air in fuel system

Drain, flush, fill and bleed system

 

Clogged fuel filter

Replace filter elements

 

Dirty or faulty injectors

Have your John Deere dealer check injectors

 

Injection pump shut-off not reset

Turn key switch to OFF then to ON

Engine knocks

Insufficient oil

Add oil

 

During warm up, pilot injection system will activate and deactivate depending on engine operating temperature

This is normal operation

 

Low coolant temperature

Replace thermostats

 

Engine overheating

See Engine Overheats

Engine runs irregularly or stalls frequently

Low coolant temperature

Replace thermostats

 

Clogged fuel filters

Replace filter elements

 

Water, dirt, or air in fuel system

Drain, flush, fill and bleed system

 

Vent on fuel tank obstructed

Clean vent under rear cab panel

 

Dirty or faulty injectors

Have yourJohn Deere™ dealer check injectors

Below normal engine temperature

Defective thermostat

Replace thermostats

 

Defective temperature gauge or sender

See your John Deere dealer

 

Variable speed fan running too fast

See your John Deere dealer

Variable Fan Speed Drive surges at low engine rpm

Fan drive surging is NOT normal

See your John Deere dealer

Throttle does not allow full engine rpm

IVT load control knob may not be set properly

See section 42, Operating IVT (Infinitely Variable Transmission)™ Transmission

 

Field Cruise may be on and limiting max engine rpm

Check the settings for Field Cruise in the CommandCenter™. Insure full rpm has been selected on the display

 

Cold oil can limit engine speed to 1500 rpm

Warm up transmission/hydraulic oil

See your John Deere dealer if problem persists

Lack of power

Engine overloaded

Reduce load or shift to lower gear

 

Low fast idle speed

Insure Field Cruise is set to max rpm

Insure IVT is set correctly

If problem persists, see your John Deere Dealer

 

Intake air restriction

Service air cleaner

 

Clogged fuel filters

Replace fuel filter elements

 

Incorrect type of fuel

Use correct fuel

 

Overheated engine

See Engine Overheats

 

Below normal engine temperature

Remove and check thermostats

 

Incorrect valve clearance

See your John Deere Dealer

 

Dirty or faulty injectors

Have your John Deere Dealer check injectors

 

Turbocharger not functioning

See your John Deere Dealer

 

Leaking exhaust manifold gasket

See your John Deere Dealer

 

Implement incorrectly adjusted

See implement operator's manual

 

Restricted fuel inlet

Clean or replace fuel line

 

Incorrect ballast

Adjust ballast to load. See section 75, Performance Ballasting

Low oil pressure

Low oil level

Add oil

 

Incorrect type of oil

Drain, fill crankcase with correct quality and viscosity of oil

High oil consumption

Crankcase oil too light

Use correct viscosity oil

 

Oil leaks

Check for leaks in lines, around gaskets and drain plug

 

Defective turbocharger

See your John Deere Dealer

 

Restricted engine breather tube

Unclog engine breather tube

Engine emits smoke

Incorrect type of fuel

Use correct fuel

 

Clogged or dirty air cleaner

Service air cleaner

 

Engine overloaded

Reduce load or shift to a low gear

 

Injection nozzles dirty

See your John Deere Dealer

 

Turbocharger not functioning

See your John Deere Dealer

Engine overheats

Dirty radiator core, oil cooler, or grille screens

Remove all trash and clean coolers

 

Engine overloaded

Shift to lower gear or reduce load

 

Low engine oil level

Check oil level. Add oil as required

 

Low coolant level

Fill de-aeration tank and recovery tank to correct level, check radiator and hoses for loose connections or leaks

 

Faulty radiator cap

Replace radiator cap

 

Loose or defective fan belt

Check and replace belt as needed

 

Fan drive running too slow

Make sure bleed screw under fan drive is fully closed

 

Cooling system needs flushing

Flush cooling system

 

Defective thermostat

Replace thermostats

 

Defective temperature gauge or sender

See your John Deere Dealer

High fuel consumption

Clogged or dirty air cleaner

Service air cleaner

 

Engine overloaded

Reduce load or shift to lower gear

 

Injection nozzles dirty

See your John Deere Dealer

 

Implement incorrectly adjusted

See implement operator's manual

 

Excessive ballast

Adjust ballast to load. See section 75, Performance Ballasting


John Deere is a trademark of Deere & Company

IVT (Infinitely Variable Transmission) is a trademark of Deere & Company

CommandCenter is a trademark of Deere & Company

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