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Fuel and exhaust gas cleaning
281
Engine management and emissions control system
Troubleshooting
AdBlue level® is too low
The indicat
or lamp lights up red. The engine
cannot be restarted!
Stop the vehicle in a suitable, safe and flat area
then top up with the minimum required quantity
of AdBlue® ›››page279.
together with : Fault in the AdBlue
syst
em®
The indicator lamps light up red. The engine
cannot be restarted!
Go to a specialised workshop and get the sys-
tem checked.
The AdBlue reserve® is low
The indicat
or lamp lights up yellow.
To up AdBlue® within the number of kilometres
(or miles) that are indicated ›››page279.
SEAT recommends contacting a specialised
workshop.
together with : Fault in the
AdBlue® syst
em.
The control lamps light up yellow. There is
a fault in the AdBlue system or unsuitable
AdBlue® fluid has been used. Go to a special-
ised workshop and get the system checked.
Engine management and
emissions contr
ol system
Introduction
WARNING
Due to the high temperatures reached by the
exhaust gas scrubbing system, you should
not park your vehicle near a surface that can
catch fire easily. Fire hazard!
WARNING
Do not apply wax underneath the vehicle
ar
ound the area of the exhaust system: Fire
hazard!
Catalytic converter
To maintain the useful life of the catalytic
converter
●
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 ›››page306,
Checking and topping up the engine oil level.
●
Never tow the vehicle to start it, use jump
leads if necessary ›››page286.
If you should notice misfiring, une
ven running or
loss of power when the car is moving, have the
vehicle inspected by a specialised workshop.
In general, the emissions warning lamp
will
light up when any of these sympt
oms occur. If
this happens, any unburnt fuel can enter the ex-
haust system and escape into the atmosphere.
The catalytic converter can also be damaged
by overheating.
NOTICE
Never run the fuel tank completely dry be-
cause an irr
egular fuel supply can cause ig-
nition faults. This allows unburnt fuel to enter
the exhaust system, which could cause over-
heating and damage the catalytic converter.
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
Valid 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
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