octane Alfa Romeo 166 2007 Owner handbook (in English)

Under no circumstances
should conventional
leaded petrol be used
as this would irreparably dam-
age the catalyst. if the tank is
accidentally filled with leaded fu-
el, even in minute quantity, DO
NOT START THE ENGINE. Do not
attempt to dilute the petrol with
lead free fuel. Drain the entire
fuel circuit and tank.The car must only be
filled with diesel fuel
for motor vehicles, in
compliance with European Stan-
dard EN590. The use of other
products or mixtures may ir-
reparably damage the engine
with invalidation of the warran-
ty due to the damage caused. In
the event of accidentally filling
with another type of fuel, do not
start the engine and empty the
tank. If the engine has been run
even for only a very short time,
in addition to the tank, it is also
necessary to drain out the whole
fuel circuit.DIESEL ENGINES
124
The anti-pollution de-
vices present on the ve-
hicle impose the use of
four-star unleaded fuel with an
octane number (R.O.N.) above 95.
If the catalyst is not
working properly harm-
ful emissions reach the
exhaust resulting in environment
pollution.
REFUELLING
PETROL ENGINES
In order to prevent the vehicle being
Filled with leaded petrol the diameter of
the filler neck is smaller than the nozzle
used on pumps delivering leaded petrol.