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Checking and refilling levels
Flashes
Combustion failures that can damage the catalytic
conv
erter.
Reduce speed and drive carefully to the nearest spe-
cialised workshop to have the engine checked.
It lights up
Particulate filter blocked
›
››
page 317.
It lights up
Fault in the petrol engine management.
Hav
e the engine checked as soon as possible by a
specialised workshop.
When the ignition is switched on, the (El
ectronic
Power Control) lights up and should go off once the
engine has started.
It lights up
Diesel engine preheating system.
The engine can be st
arted straight away when the
lamp switches off.
Flashes
Fault in the diesel engine management.
Hav
e the engine checked as soon as possible by a
specialised workshop.
Note
While the control lamps , , or ar
e
on, there might be faults in the engine, fuel
consumption may go up and the engine
might l
ose power.
Catalytic converter
To maintain the useful life of the catalytic
conv
erter
●
Only use unleaded petrol with petrol en-
gines.
●
Never run the fuel tank dry.
●
When changing or adding engine oil, do not
e
xceed the necessary amount
›››
page 323,
Topping up the engine oil.
●
Never tow the vehicle to start it, use jump
leads if necessary
›››
page 51.
If you should notice misfiring, uneven running
or loss of power when the car is moving, have
the vehicle inspected by a specialised work-
shop. In general, the emissions warning lamp
will light up when any of these symptoms
occur. If this happens, any unburnt fuel can
enter the exhaust system and escape into the
atmosphere. The catalytic converter can also
be damaged by overheating.
CAUTION
Never run the fuel tank completely dry be-
cause an irr
egular fuel supply can cause
ignition faults. This allows unburnt fuel to
enter the exhaust system, which could
cause overheating and damage the cata-
lytic conv
erter.
For the sake of the environment
Even when the emission control system is
w
orking perfectly, there may be a smell of
sulphur from the gases on occasions. This
depends on the sulphur content of the fuel
used. This can quite often be avoided by
changing to another brand of fuel.
Particulate filter
3 V
alid for: vehicles with petrol or diesel particu-
late filters
The particulate filter eliminates most of the
soot from the exhaust gas system. Under nor-
mal driving conditions the filter cleans itself. If
the filter does not clean itself (e.g. if short
journeys are made continuously), it becomes
blocked with soot and the following indica-
tion is displayed to the driver: Particu-
late filter: cleaned while the vehi-
cle is moving. See Manual. The partic-
ulate filter needs cleaning (regeneration).
Regeneration of the petrol and diesel par-
ticulate filter
Requirements for the regeneration journey:
the engine is at operating temperature.
»
317
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