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Engine Hard to Start Or Will Not Start.
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No fuel.
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Fill tank with correct fuel and bleed air from system.
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Clogged water filter.
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Change filter.
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Switches not in correct positions.
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Move multi-function lever to neutral.
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Water, dirt or air in fuel system.
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Drain, flush, fill and bleed system.
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Clogged fuel filter.
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Replace filter and bleed air.
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Wrong type of fuel.
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Use correct fuel for operating conditions.
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Fuel pump disconnected.
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Check wiring to fuel pump.
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Dirty or faulty injectors.
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See your John Deere dealer.
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Too much resistance in starting circuit.
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Clean and tighten all connections on batteries and starter relay.
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Crankcase oil of too heavy viscosity.
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Drain and fill crankcase with oil of correct viscosity and quality.
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Low compression.
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See your John Deere dealer.
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Engine Knocks
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Low oil.
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Add oil of correct viscosity.
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Air in fuel system.
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Bleed fuel system.
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Injection pump out of time.
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See your John Deere dealer.
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Injection nozzle valve sticking.
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See your John Deere dealer.
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Internal engine problem.
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See your John Deere dealer.
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Triple Display Tachometer Displays Engine Stop Code (1)
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Electronic engine control is sending a diagnostic code to the tachometer.
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Write the code on a piece of paper and call your John Deere dealer.
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| Symptom |
Problem |
Solution |
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Engine Runs Irregularly or Stalls Often.
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Low coolant temperature.
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Run engine until warm.
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Clogged water filter.
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Change filter.
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Clogged fuel filter.
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Replace filter and bleed air.
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Clogged fuel tank filter vent.
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Clean filter vent.
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Water, dirt or air in fuel system.
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Drain, flush, fill and bleed system.
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Dirty or faulty injectors.
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See your John Deere dealer.
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Injection pump out of time.
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See your John Deere dealer.
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Bent push rods or sticky valves.
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See your John Deere dealer.
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Lack of Power.
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Clogged water filter.
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Change filter.
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Overheated engine.
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See "Engine Overheats" below.
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Intake air restriction.
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Clean air cleaner.
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Clogged fuel filter.
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Replace filter and bleed system.
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Clogged water filter.
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Replace filter.
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Clogged fuel tank filter vent.
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Clean filter vent.
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High altitude operation.
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Engine loses horsepower with increases in altitude. Use correct type of fuel for high altitude.
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Dirty or faulty injectors.
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See your John Deere dealer.
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Injection pump out of time.
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See your John Deere dealer.
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Air intake leaks.
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Check for air leaks and repair.
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| Symptom |
Problem |
Solution |
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Engine Overheats.
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Low coolant level.
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Fill radiator with coolant to the correct level. Check hoses and radiator for leaks or loose connections.
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Dirty cooling system radiator core or rotary cooling screen.
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Clean radiator and rotary screen.
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Rotary cooling screen not turning.
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Broken drive belt.
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Belt off sheaves.
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Loose or broken fan belt.
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Replace worn belt.
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Cooling system limed up.
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Drain and flush cooling system.
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Defective thermostats.
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Remove and check thermostats.
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Vacuum duct plugged.
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Clean duct.
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Fan on low speed.
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Increase speed.
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Low Oil Pressure.
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Low oil level.
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Check crankcase oil level and add oil if needed.
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Wrong type of oil.
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Drain and fill crankcase with oil of correct viscosity.
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Oil cooler plugged.
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See your John Deere dealer.
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Engine Uses Too Much Oil.
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Restricted air intake system.
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Check air cleaner and clean air intake.
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Oil leaks.
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Check for leaks in lines and around gaskets and drain plugs.
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Too low viscosity crankcase oil.
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Drain and fill crankcase with oil of the correct viscosity.
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Oil cooler plugged.
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Clean oil cooler.
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Scored piston.
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See your John Deere dealer.
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Internal parts worn.
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See your John Deere dealer.
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| Symptom |
Problem |
Solution |
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Engine Uses Too Much Fuel.
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Clogged or dirty air cleaner.
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Clean air cleaner.
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Wrong type of fuel.
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Use correct type of fuel for operating conditions.
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Dirty or faulty injectors.
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See your John Deere dealer.
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Engine out of time.
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See your John Deere dealer.
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Engine Blows Black Or Gray Exhaust Smoke.
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Clogged or dirty air cleaner.
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Check air cleaner for plugging. Filter element must be clean.
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Wrong type of fuel.
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Use correct type of fuel for operating conditions.
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Dirty or defective injectors.
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See your John Deere dealer.
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Air in fuel system.
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Bleed fuel system.
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Defective muffler.
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Check muffler for possible damage that might create back pressure.
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Engine out of time.
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See your John Deere dealer.
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Engine Blows White Exhaust Smoke.
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Cold engine.
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Warm engine to normal operating temperature.
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Engine out of time.
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See your John Deere dealer.
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Wrong type of fuel.
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Low cetane fuel will cause misfiring. Use only fuel which has correct cetane number.
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Defective thermostat.
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Remove and check thermostat.
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Batteries Will Not Charge.
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Loose or defective alternator belt.
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Adjust belt or replace worn belt.
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Loose or corroded connections.
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Clean and tighten battery connections.
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Alternator or voltage regulator not working right.
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See your John Deere dealer.
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