OMLVU31626

Engine


Engine Will Not Start Or Is Hard To Start	Transmission gearshift lever is not in neutral position	Place range shift lever to Neutral
	Engine throttle lever not pushed forward	Move throttle to half throttle
	Fuel shutoff valve CLOSED (OFF)	Open fuel shutoff valve at the water separator
	Stale fuel/improper fuel/fuel level	Drain stale or improper fuel and fill to capacity
	Wrong engine oil viscosity	Change engine oil and fill with correct viscosity oil for conditions
	Cold start system not being used, or malfunctioning	Verify that cold start system is utilized during required temperatures or see your John Deere dealer
	Plugged fuel filter	Replace fuel filter
	Plugged air intake filter	Clean or replace air filter elements
	Dirty or faulty fuel injectors	See your John Deere dealer
	Blown fuse	Check and replace and faulty fuses

Engine Runs Rough Or Stalls	Fuel shutoff valve partially closed	Open fuel shutoff valve at the water separator
	Plugged fuel filter	Replace fuel filter
	Plugged air intake system	Clean or replace air filter elements
	Stale or improper fuel/fuel level	Drain stale or improper fuel and fill to capacity
	Dirty or faulty fuel injectors	See your John Deere dealer
	Low coolant temperature	See your John Deere dealer
	Fuel pump not functioning properly	See your John Deere dealer

Engine Overheats	Dirt or debris accumulation on hood screen or radiator fins	Clean debris and dirt from the front screen and radiator fins
	Coolant level is below specification	Add coolant as specified
	Leak in the coolant system	Check for leaks and repair or see your John Deere dealer
	Improperly adjusted or broken fan belt	Tighten or replace fan belt
	Cooling system needs flushing	See your John Deere dealer
	Defective radiator cap	Replace radiator cap
	Defective thermostat	See your John Deere dealer
	Defective water temperature indicator or sensor.	See your John Deere dealer
	Loose or defective alternator belt	Tighten or replace belt
	Engine speed too low for load. Do not operate at low idle	Raise engine speed to match load requirements
	Operating at too fast ground speed for conditions	Reduce speed to match operating conditions

Engine Knocks	Fuel shutoff valve partially closed	Open fuel shutoff valve at the water separator
	Plugged fuel filter	Replace fuel filter
	Plugged air intake system	Clean or replace air filter elements
	Stale or improper fuel/fuel level	Drain stale or improper fuel and fill to capacity
	Dirty or faulty fuel injectors	See your John Deere dealer
	Low coolant temperature See your John Deere Dealer	See your John Deere dealer
	Fuel pump not functioning properly	See your John Deere dealer

Low Oil Pressure	Engine oil level low	Add oil to specification
	Plugged engine oil filter	Replace oil filter
	Improper type of engine oil	Verify correct engine oil. Drain system and fill with the correct oil type
	Oil leaks	Check for leaks and repair or see your John Deere dealer

Engine Uses Too Much Oil	Oil leaks	Check for leaks and repair or see your John Deere dealer
	Improper type of engine oil	Verify correct engine oil. Drain system and fill with the correct oil type

Engine Emits White Smoke	Stale or improper fuel/fuel level	Drain stale or improper fuel and fill to capacity
	Internal coolant leak	See your John Deere dealer

Engine Emits Black or Gray Exhaust Smoke	Stale or improper fuel/fuel level	Drain stale or improper fuel and fill to capacity
	Dirty or faulty fuel injectors	See your John Deere dealer
	Fuel pump not functioning properly	See your John Deere dealer

High Fuel Consumption	Stale or improper fuel/fuel level	Drain stale or improper fuel and fill to capacity
	Dirty or faulty fuel injectors	See your John Deere dealer
	Fuel pump not functioning properly	See your John Deere dealer
	Failed fuel solenoid	See your John Deere dealer
	Operating at too fast ground speed for conditions	Reduce speed to match operating conditions
	Improper valve clearance	See your John Deere dealer
	Plugged air intake system	Clean or replace air filter elements

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