Vauxhall 2010 Astra, Owner'S Manual

Page: 209 / 367

205 Driving and operation
Ca talytic conver ter for diesel engines
Damag e to the catalytic converter or the
vehic le ma y result if the following points
are not ob served:
z On uneven running, a clea r drop-off in
engine power or other unusual operating
sym ptoms, contact a workshop as soon
as possible. Continue driving if necessary
for a short time at low speed a nd low
revs.
Irregular engine running and a loss of
engine p ow er when the Electronic
Stability Program (ESP®
Plus
3 ) comes
into action are the result of operating
conditions and are therefore of no
significance - see page 208.
Picture no: 17004t.tif
Controlling exhaust emission
Some of the dam aging sub stances in the
exhaust such a s ca rb on monoxide (CO),
hydrocarbons (HC) and nitrous oxides
(N O
x
) are reduced to a minimum b y
making struc tural c hanges – ma inly in the
injection system and the ig nition system in
conjunction with the catalytic converter.
Picture no: 17352t.tif
Control indicator Z for exhaust
Illuminates when the ig nition is switched on
and d uring the start attempt. Goes off
shortly after the engine starts running.
Illuminated with the engine running
indicates a fault in the exhaust ga s
cleaning system. The perm itted emissions
ma y be exceeded. Contact a workshop
imm ediately.
Flashing with the engine running indica tes
a fa ult w hich could lead to c atalytic
converter dam age. You ma y continue
driving w ithout dam age if you back off
until flashing stops a nd the control
indicator comes on. Contact a work shop
imm ediately.