Engine Will Not Start Or Is Hard To Start

Wrong engine oil viscosity.

Gear Models: Transmission gear shift lever not in proper position.

Engine hand throttle lever not pushed forward.

Cold start system not being used, or malfunctioning.

PTO engaged.

Fuel shut-off valve closed.

Stale fuel / improper fuel / fuel level.

Plugged fuel filter.

Plugged air intake filter.

Dirty or faulty fuel injectors.

Battery low on charge.

Blown fuse.

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 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 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.

eHydro Model: Misadjusted rockshaft feedback linkage.

eHydro Model: Plugged rockshaft filter.

Engine Lacks Power

Brakes dragging.

Plugged rockshaft filter.

Misadjusted rockshaft feedback linkage.

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.

Implement improperly adjusted. See implement 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 oil filter.

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.

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.

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. See your John Deere Dealer.

Key switch or starter faulty. See your John Deere Dealer.

Gear Models: Transmission gear shift lever not in proper 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

Blown fuse.

Operation Sluggish, Slow (eHydro and ePowrReverser models)

Suction side filter may need replacement.

Poor Hydraulic Performance

Suction side filter may need replacement.

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

ePowrReverser model: be sure to fully depress clutch before putting in gear.

Park brake locked.

Transmission oil level low.

Transmission oil cold - allow engine to warm.

Transmission range shift lever in neutral position.

Suction side filter may need replacement (eHydro and ePowrReverser models).

3-point Hitch Fails To Lift

Low oil level.

Rate of drop valve closed.

Excessive load on hitch.

Hydraulic oil too cold.

Hydraulic oil suction screen clogged.

Rockshaft filter plugged.

3-point Hitch Lifts Slowly

Rockshaft filter plugged.

Suction side filter may need replacement.

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 set too fast.

Load too heavy.

Rear Wheel Brakes Not Working

Brakes out of adjustment.

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

Steering Not Working

Hydraulic suction screen or suction filter plugged.

Improper tire inflation.

Steering linkage needs lubrication.

Excessive play in steering. See your John Deere Dealer.

Bent wheel spindles. See your John Deere Dealer.