Troubleshooting
PY80265,05GO986 –19–10SEP05–1/4
Engine Troubleshooting
Symptom Problem
Solution
Engine hard to start or will not Improper starting procedure. Reviewing starting procedure.
start
No fuel. Check fuel tank.
Air in fuel tank. Bleed fuel tank.
Hand primer left raised. Push primer down.
Slow starter speed. See “Starter Cranks Slowly”.
Crankcase oil too heavy. Use oil of proper viscosity.
Improper type of fuel. Consult fuel supplier; use proper
type fuel for operating conditions.
Water, dirt, or air in fuel system. Drain, flush, fill and bleed system.
Clogged fuel filter. Replace filter element.
Dirty or faulty injectors. Have John Deere dealer check
injectors.
Fuel shut-off valve closed. Open fuel shut-off valve.
Engine knocks Insufficient oil. Add oil.
Injection pump out of time. See your John Deere dealer.
Low coolant temperature. See your John Deere dealer.
Engine overheating. See “Engine Overheats”.
Engine runs irregularly or stalls Low coolant temperature. See your John Deere dealer.
frequently
Clogged fuel filter. Replace filter element.
Water, dirt, or air in fuel system. Drain, flush, fill, and bleed system.
Dirty or faulty injectors. Have John Deere dealer check
injectors.
Improper type of fuel. Use proper fuel.
145-1
022607
PN=156
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