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Troubleshooting


Using Troubleshooting Chart

If you are experiencing a problem that is not listed in this chart, see your John Deere distributor for service.

When you have checked all the possible causes listed and you are still experiencing the problem, see your John Deere distributor.

Engine

If

Check

Engine Will Not Start Or Is Hard To Start

Transmission range shift lever not in proper position.

PTO engaged.

Engine speed hand throttle not pushed forward.

Fuel shut-off valve CLOSED (OFF).

Stale fuel / improper fuel / fuel level.

Wrong engine oil viscosity.

Cold start system not being used, or malfunctioning.

Plugged fuel filter.

Plugged air intake filter.

Dirty or faulty fuel injectors.

Blown fuse.

Failed fuel solenoid.

Other electrical problem.

Engine Runs Rough Or Stalls

Fuel shut-off valve partially closed.

Plugged fuel filter.

Plugged air intake system.

Fuel cap vent dirty.

Faulty seat switch.

Stale or improper fuel / fuel level.

Dirty or faulty fuel injectors.

Low coolant temperature. See your John Deere Dealer.

Fuel pump not functioning properly. See your John Deere Dealer.

Engine Overheats

Dirty grille, radiator screen, or radiator cooling fins.

Plugged air intake filter.

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.

Engine speed too low. Do not operate at slow idle.

Operating at too fast ground speed for conditions.

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 too slow.

Engine Lacks Power

Improper types 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 of faulty fuel injectors. See your John Deere Dealer.

Injection pump out of time. See your John Deere Dealer.

Implement improperly adjusted. See implement operator’s manual.

Improper ballast - adjust load.

Rate-of-drop 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 of 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 of faulty fuel injectors. See your John Deere Dealer.

Engine out of time. See your John Deere Dealer.

Implement improperly adjusted, causing drag on machine. See implement operator’s manual.

Low engine temperature.

Restricted air intake system.

Plugged crankcase vent tube or baffle.

Brakes dragging.


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.

Range transmission lever not in neutral position.

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.


Machine

If

Check

Hood is Hard to Latch

Debris in hood latch area.

Excessive Machine Vibration

Engine speed too slow.

Drive shaft universal joint bearings worn.

Throttle linkage out of adjustment.

Machine Will Not Move With Engine Running

Park brake locked.

Transmission oil level low.

Transmission oil cold - allow engine to warm.

Range shift lever in “N” (neutral) position.

3-point Hitch Fails To Lift

Low oil level.

Rate-of-drop valve closed.

Excessive load on hitch.

Hydraulic oil too cold.

3-point Hitch Drops Slowly Or Does Not Drop

Rate-of-drop valve closed.

Rate-of-drop valve set too slowly.

3-point Hitch Drops Too Fast

Rate-of-drop valve set too fast.

Load too heavy.


Brakes

If

Check

Rear Wheel Brakes Not Working

Brakes out of adjustment.

Worn or damaged brake linkage. See your John Deere Dealer.


Steering

If

Check

Steering Not Working

Improper tire inflation.

Low hydraulic fluid levels.

Steering linkage needs lubrication.

Excessive play in steering. See your John Deere Dealer.