·
If water has settled in the fuel
filter,
it
must always be drained.
·
Always
fill
up with high-quality diesel fuel
that meets the required
specifications.
Water and diesel fuel must never be
disposed of in gardens, forests, sew-
age systems, roads or paths, rivers or run-
ning waters. In order to avoid environmen-
tal pollution, disposal must be carried out
by a suitably
qualified
workshop.
Troubleshooting
Irregular engine running and faults
Irregular engine running or faults when driv-
ing may be a sign of poor fuel quality:
— Reduce speed immediately.
— Drive to the nearest
qualified
workshop
at medium engine speeds and with low
engine loads.
— If the symptoms occur immediately
after
refuelling, switch
off
the engine immedi-
ately to avoid any subsequent damage.
— Seek expert assistance.
Water in the diesel fuel
The indicator lamp lights up yellow.
— Reduce speed immediately and drive to
a
qualified
workshop at medium engine
speeds and with low engine loads.
— If the indicator lamp lights up directly
after
refuelling, switch
off
the engine and
seek expert assistance.
There may be engine faults and fuel
consumption may be higher if the indi-
cator lamp lights up.
Emission control
Introduction
Checklist
The emission-relevant components reduce
exhaust emissions. Observe the following
points so that the emission-relevant com-
ponents function for a long time:
✓
Never run the fuel tank completely
empty.
✓
Refuel the vehicle only with fuels that
are suitable for the vehicle
→
page 282.
✓
Use only engine oil that is suitable for
the vehicle
→
page 317.
✓
Never
overfill
with engine oil
→
page 318.
✓
Do not tow-start the vehicle but per-
form jump starting instead
→
page 306.
If
misfires,
loss of power or rough engine
running occur while driving, reduce speed
immediately and have the vehicle checked
by a suitably
qualified
workshop. Otherwise
uncombusted fuel could enter the exhaust
system and thus be discharged into the at-
mosphere. In addition, emission-relevant
components can also be damaged by over-
heating.
WARNING
Engine exhaust gases contain carbon
monoxide, which can cause people to
lose consciousness and also lead to
death.
·
Do not allow the engine to run in en-
closed spaces.
·
Never start the engine in enclosed
spaces.
·
Do not leave the vehicle unsupervised
with the engine running.
WARNING
The components of the exhaust system
become very hot. This can cause
fires.
·
Park the vehicle so that no part of the
exhaust system can come into contact
with any easily
flammable
material un-
derneath the vehicle, e.g. dry grass.
·
Never apply additional underseal or an-
ti-corrosion coatings to the exhaust
pipes, catalytic converters, particulate
filters
or heat shields.
A sulphur-like exhaust gas smell can
also occur even if the exhaust
purifica-
tion
system is functioning properly.
286
Fuel and emission control
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