Display message - with malfunction of dosing
system for emission control
If a fault occurs in the
NOx
dosing system, the
following message is shown on the display together
with the yellow information lamp (CHECK).
AdBlue system error
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Idling
To safeguard the power supply, trucks with Euro 4
engines have a faster idling speed in cold weather. The
engine electronic control system determines when the
increased idling speed needs to be applied; it cannot be
activated manually by the driver. If the truck is
equipped with
I-shift
it is especially important, when
idling, to engage neutral while the truck is stationary
with the engine running. This is to prevent overloading
the clutch and gearbox.
Exhaust
The catalytic converter gets very hot and cools down
more slowly than a normal silencer. This means that
the gases in the end pipe, e.g when the engine is idling
after driving, hold high temperatures for longer. The
exhaust will have an odour that is different from
engines without emission control. The difference is
most noticeable when the engine is cold. A cloud of
water vapour can be emitted during cold starting and
when pulling away. This is more noticeable than for
engines without exhaust gas cleaning. Vapour clouds
can form with temperatures up to +5°C. Steam can
also form during engine restart after a short break and
when the engine brake is being used, but to a lesser
extent than when starting from cold.
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Exhaust cleaning
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