Catalytic Converter - Vauxhall Astra 2010.5 Owner's Manual

134 Driving and operating
consumption may be higher during
this period. The emission of smells
and smoke during this process is
normal.
Under certain driving conditions, e.g.
short distances, the system cannot
clean itself automatically.
If the filter requires cleaning and
previous driving conditions did not
enable automatic cleaning, control
indicator ! flashes. Continue driving,
keeping engine speed above 2000
revolutions per minute. Shift down if
necessary. Diesel particle filter
cleaning is then started.
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Stopping the journey or switching off
the engine during cleaning is not
recommended.
If the cleaning process is
interrupted more than once, there
is a great risk of provoking severe
engine damage.
Cleaning takes place quickest at high
engine speeds and loads.
Caution
The control indicator ! extinguishes
as soon as the self-cleaning
operation is complete.

Catalytic converter

The catalytic converter reduces the
amount of harmful substances in the
exhaust gases.