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Warning
light on dial
on display
U
90
Message
EOBD ENGINE CONTROL SYSTEM FAILURE
In normal conditions, turning the ignition key to MAR, the warning light turns on, but it should
go off when the engine has started. The initial turning on indicates that the warning light is work-
ing properly.
If the warning light stays on or turns on when travelling (on some versions the message + sym-
bol are shown on the reconfigurable multifunction display):
glowing steadily - means a fault in the supply/ignition system which could cause high emis-
sions at the exhaust, possible lack of performance, poor handling and high consumption levels.
In these conditions it is possible to continue driving without however demanding heavy effort or
high speeds. Prolonged use of the vehicle with the warning light on may cause damage. Contact
Alfa Romeo Authorised Services as soon as possible.
The warning light goes off if the fault disappears, but it is still stored by the system;
flashing - indicates the possibility of damage to catalyst (see "EOBD system" in the chapter).
If the warning light flashes, it is necessary to release the accelerator pedal to lower the speed
of the engine until the warning light stops flashing; continue the journey at moderate speed, try-
ing to avoid driving conditions that may cause further flashing and contact Alfa Romeo Authorised
Services as soon as possible.
turn on or if it turns on glowing steadily or flashing when travelling,
contact Alfa Romeo Authorised Services as soon as possible.
If, turning the ignition key to MAR, the U warning light does not
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