VM Motori D703E2 Manual De Instrucciones página 149

Problem
The engine stops after
ignition
The engine does not reach
the operating speed
Emission of black smoke
from the exhaust pipe
Light emission of white
smoke from the exhaust
pipe
Abundant emission of
white smoke from the
exhaust pipe
English
Cause
Presence of air in the fuel sup-
ply circuit
Clogged fuel filter
Injection pump malfunction
Faulty fuel pressure regulation
valve
Presence of air in the fuel sup-
ply circuit
Water and/or impurities in the
fuel
The electric cables are discon-
nected or they do not guaran-
tee continuity
Clogged fuel filter
Presence of air in the fuel sup-
ply circuit
Injection pump malfunction
Dirty or faulty injectors
Water and/or impurities in the
fuel
Clogged air filter
Insufficient combustion air flow
Engine overheating
Overload
Dirty or faulty injectors
Faulty turbocharging turbine
Oil level too high
Worn segments
Worn valve guideways
Burnt gasket head
Water pump malfunction
Replace the belt
Thermostat valve malfunction
Coolant too low
69
D700-750E2_E3
Remedy
Carry out bleeding (See "Fuel
supply circuit bleeding")
Replace filter (See "Fuel filter
replacement")
Apply to an authorised work-
shop
Replace the valve. Apply to an
authorised workshop
Carry out bleeding (See "Fuel
supply circuit bleeding").
Apply to an authorised work-
shop
Check the electric connections
Replace filter (See "Fuel filter
replacement")
Carry out bleeding (See "Fuel
supply circuit bleeding")
Apply to an authorised work-
shop
Replace the injectors. Apply to
an authorised workshop
Apply to an authorised work-
shop
Clean or replace the filter
Apply to an authorised work-
shop
Apply to an authorised work-
shop
Reduce the load
Replace the injectors. Apply to
an authorised workshop
Replace the turbine. Apply to
an authorised workshop
Adjust the oil level
Check compression. Apply to
an authorised workshop
Check wear. Apply to an autho-
rised workshop
Apply to an authorised work-
shop
Replace the pump. Apply to an
authorised workshop
See "Belt replacement"
Replace the valve. Apply to an
authorised workshop
Top up, if necessary (See "Fuel
supply circuit bleeding")
VM p/n 42432097F Ed.4 - 2015-05
GB