Lubrication Operating & Maintenance Manual
69
Symptom Problem Solution
Engine cranks but will
not start
Incorrect starting procedure Verify correct starting procedure.
No fuel. Check fuel in tank.
Exhaust restricted.
Check and correct exhaust
restriction.
Fuel filter plugged or full of
water
Replace fuel filter or drain water from
filter.
Injection pump not getting fuel
or air in fuel system.
Check fuel flow at supply pump or
bleed system.
Engine hard to start or
will not start
Engine starting under load. Disengage PTO
Improper starting procedure. Review starting procedure.
No fuel. Check fuel tank.
Air in fuel line. Bleed fuel line.
Cold weather. Use cold weather starting aids.
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 injection nozzles.
Have authorized servicing dealer or
engine distributor check injectors.
Electronic fuel system problem
if equipped
See your distributor or servicing
dealer.
Engine knocks Low engine oil level. Add oil to engine crankcase.
Low coolant temperature. Remove and check thermostat.
Engine overheating. See "Engine Overheats".
Engine cold
Wrong or defective thermostat.
Remove and check thermostat.
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