MR 700
48
Ed. 3 - 2012_11
English
The engine stops after
ignition
Presence of air in the fuel supply
circuit
Carry out bleeding (see “Fuel
supply circuit bleeding”)
Clogged fuel lter
Replace lter (see “Inlet air lter
replace-ment”)
The injection pump is set incor-
rectly or is faulty
Adjust the pump or replace it Ap-
ply to an authorised workshop
The electric cables are discon-
nected or they do not guarantee
continuity
Check the electric connections
The engine does not
reach the operating
speed
Clogged fuel lter
Replace lter (see “Fuel lter
replacement”)
Presence of air in the fuel supply
circuit
Carry out bleeding (see “Fuel
supply circuit bleeding”)
The injection pump is set incor-
rectly or is faulty
Adjust the pump or replace it Ap-
ply to an authorised workshop
Dirty or faulty injectors
Clean or replace injectors Apply
to an authorised workshop
Clogged air lter
Clean or replace the lter (see
“Inlet air lter replacement”)
Overload Reduce the load
Emission of black
smoke from the exhaust
pipe
Dirty or faulty injectors
Clean or replace injectors Apply
to an authorised workshop
The injection pump is set incor-
rectly or is faulty
Adjust the pump or replace it Ap-
ply to an authorised workshop
Faulty turbocharging turbine
Replace the turbine Apply to an
authorised workshop
Light emission of white
smoke from the exhaust
pipe
Oil level too high Adjust the oil level
Worn segments
Check compression Apply to an
authorised workshop
Worn valve guideways
Check wear Apply to an autho-
rised workshop
Abundant emission of
white smoke from the
exhaust pipe
Burnt gasket head Apply to an authorised workshop
Engine overheating. Clogged
coolers
Clean the coolers. Apply to an
authorised workshop
Clogged seawater lter Clean or replace the lter
Worn seawater pump impeller
Replace the impeller. Apply to an
authorised workshop
Broken or worn belt
Replace the belt (see “Belt
replacement”)
Failure of water temperature
sensor
Replace the sensor. Apply to an
authorised workshop
Problem Cause Remedy
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