Troubleshooting


IF	CHECK
ENGINE WILL NOT START OR IS HARD TO START	Wrong engine oil viscosity.
	Gear shift lever in gear.
	Engine throttle lever not pushed forward.
	Cold start system not being used, or malfunctioning
	PTO lever engaged.
	Fuel shut-off valve CLOSED (OFF).
	Stale fuel / Improper fuel / fuel level/ Air in system.
	Plugged fuel filter.
	Plugged air intake filter.
	Dirty or faulty fuel injectors.
	Fuse is blown.
	Electrical problem.
ENGINE RUNS ROUGH OR STALLS	Fuel shut-off valve partially closed.
	Plugged fuel filter.
	Plugged air intake system.
	Fuel cap vent dirty.
	Stale or improper fuel / fuel level.
	Dirty or faulty fuel injectors
	Low coolant temperature - See your John Deere Dealer.
	Fuel pump not working. See your John Deere Dealer.
ENGINE KNOCKS	Engine oil level low.
	Injection pump out of time - See your John Deere Dealer.
	Low coolant temperature - See your John Deere Dealer.
	Engine overheating.
	Idle speed to slow.
ENGINE OVERHEATS	Low coolant level.
	Cooling system needs flushing.
	Defective radiator cap.
	Defective thermostat.
	Defective water temperature indicator or sender.
	Low oil level.
	Loose or defective alternator belt.
	Do not operate at SLOW idle, Operate at FAST idle.
	Dirty grille, radiator screen or radiator cooling fins.
	Plugged air intake filter.
	Operating at too fast ground speed for conditions.
ENGINE LACKS POWER	Improper type of fuel.
	Plugged air intake system.
	Plugged fuel filter.
	Engine overheating. Operating at too fast ground speed for conditions.
	Engine oil viscosity too high.
	Low coolant temperature - See your John Deere Dealer.
	Improper valve clearance - See your John Deere Dealer.
	Dirty or faulty fuel injectors - See your John Deere Dealer.
	Injection pump out of time - See your John Deere Dealer.
	Attachment improperly adjusted - See attachment operator's manual.
	Improper ballast - adjust load.
	Rockshaft stop valve closed.
LOW OIL PRESSURE	Engine oil level low.
	Plugged oil filter.
	Improper type of oil.
	Oil leaks.
ENGINE USES TOO MUCH OIL	Find and correct oil leaks.
	Incorrect engine oil.
	Plugged air intake filter.
ENGINE EMITS WHITE SMOKE	Improper type of fuel.
	Low engine temperature.
	Defective thermostat - See your John Deere Dealer.
	Engine out of time - See your John Deere Dealer.
ENGINE EMITS BLACK OR GRAY EXHAUST SMOKE	Improper type of fuel.
	Plugged air intake system.
	Operating at too fast ground speed for conditions.
	Dirty or faulty fuel injectors - See your John Deere Dealer.
	Engine out of time - See your John Deere Dealer.
HIGH FUEL CONSUMPTION	Improper type of fuel.
	Plugged air intake system.
	Operating at too fast ground speed for conditions.
	Improper valve clearance - See your John Deere Dealer.
	Dirty or faulty fuel injectors - See your John Deere Dealer.
	Engine out of time - See your John Deere Dealer.
	Attachment improperly adjusted - See attachment operator's manual.
	Low engine temperature.
	Restricted air intake system.
	Plugged crankcase vent tube or baffle.

Electrical System


IF	CHECK
BATTERY WILL NOT CHARGE	Loose or corroded connections.
	Defective battery-check electrolyte level.
	Dead cell in battery.
	Loose or defective alternator belt.
	Defective alternator
BATTERY DISCHARGE INDICATOR STAYS ON WITH ENGINE RUNNING	Low engine speed.
	Defective battery.
	Defective alternator.
	Loose or defective alternator belt.
STARTER WILL NOT WORK	Loose or corroded battery connections.
	Blown fuse.
	Low battery output - check electrolyte level.
	Neutral start switch faulty or not adjusted properly - See your John Deere Dealer.
	Key switch or starter faulty - See your John Deere Dealer.
	Gear shift lever in gear.
	PTO engaged.
STARTER TURNS SLOWLY	Low battery output - check electrolyte level.
	Low battery power - charge battery.
	Engine oil viscosity too heavy.
	Loose or corroded battery connections.
ONE LIGHT CIRCUIT NOT WORKING	Fuse blown.

Tractor


IF	CHECK
EXCESSIVE TRACTOR VIBRATION	Engine speed too slow.
	Drive shaft universal joint bearings worn.
	Throttle linkage out of adjustment.
TRACTOR WILL NOT MOVE WITH ENGINE RUNNING	Park brake locked.
	Transmission oil level low.
	Transmission oil cold - allow engine to warm.
	Range shift lever in NEUTRAL position.
3-POINT HITCH FAILS TO LIFT	Low oil level.
	Hydraulic stop valve closed.
	Excessive load on hitch.
	Hydraulic oil too cold.
	Hydraulic oil suction screen clogged.
3-POINT HITCH DROPS SLOWLY OR DOES NOT DROP	Rate-of-drop valve closed.
3-POINT HITCH DROPS SLOWLY OR DOES NOT DROP	Rate-of-drop valve set too slowly.
3-POINT HITCH DROPS TOO FAST	Rate-of-drop set too fast.
3-POINT HITCH DROPS TOO FAST	Load too heavy.

Brakes


IF	CHECK
REAR WHEEL BRAKES NOT WORKING	Brakes out of adjustment - See your John Deere Dealer.
REAR WHEEL BRAKES NOT WORKING	Worn or damaged brake linkage - See your John Deere Dealer.

Steering


IF	CHECK
STEERING NOT WORKING	Improper tire inflation.
	Steering linkage needs lubrication.
	Excessive play in steering - See your John Deere Dealer.
	Bent wheel spindles - See your John Deere Dealer.