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T R O U B L E S H O O T I N G
Engine
4. Engine will not reach the rated output
A) Fault: Fuel filter has been clogged with dirt
Remedy: Contact and have it repaired at an authorized
service station
B) Fault: Wrong function of injection system
Remedy: Contact and have it repaired at an authorized
service station
C) Fault:
AdBlue tank empty
Remedy: AdBlue tank re-filling
5. Engine is knocking
Remedy: Contact and have it repaired at an authorized
service station
6. Engine smokes excessively
A) Fault: Faulty or wrong adjusted injection unit or
fuel injectors
Remedy: Contact and have it repaired at an authorized
service station
B) Fault: Faulty turbocharger
Remedy: Contact and have it repaired at an authorized
service station
7. Engine overheats
A) Fault: Insufficient coolant level
Remedy: Check the cooling circuit for leaks, repair the
fault and add the fluid
B) Fault: Insufficient function of cooler
Remedy: Clean the cooler surface
C) Fault: Faulty thermostat
Remedy: Contact and have it repaired at an authorized
service station
D) Fault: Faulty function of the fan visco-coupling
Remedy: Contact and have it repaired at an authorized
service station
CAUTION:
If the cooling indicator light comes on, it is necessary
to stop the vehicle as soon as possible and to cool
down the engine by enhanced engine speed (1,200 ÷
1,500 rpm).
In any case do not shut the engine off after the cooling
indicator light comes on.
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