146
Fuel consumption,
Fuel, Refuelling
Fuel consumption
Fuel consump tion is determined und er
specific d riv ing cond itions, see page 219.
Fitting special equipm ent will increase the
weight of the vehicle. This in turn increases
fuel consum ption and reduces the
specified maximum speed of the vehicle.
For the first few thousa nd m iles/kilometres,
friction b etween the engine and
transm ission com ponents is higher. This
increases fuel consumption.
Fuel for petrol engines
Commercially av ailable high-quality fuels
are suitable (catalytic converter – see page
148, octane numb ers – see pages 216,
217). Fuel quality has a d ecisive influence
on the power output, running behav iour
and serv ic e life of the engine. The additives
contained in the fuel play an important role
in this reg ard. You should therefore only
use high-quality fuels conta ining additives.
Fuel with too low an octane number can
cause pinking. Vauxhall cannot be held
lia ble for resulting dama ge.
Petrol with a higher octane number can
always be used.
Pump noz zles for lead ed fuel cannot be
inserted into the filler neck of v ehicles that
op erate on unleaded fuel.
The ignition tim ing is a utoma tica lly
adjusted according to the grade of fuel
used (octane number) – see pages 216,
217.
Use of petrol w ith a n oc ta ne rating of 95
will ensure economica l driving.
Fuel for diesel engines
Diesel engines m ust be operated only on
comm ercially av ailable diesel fuel meeting
the specifications of DIN EN 590. Do not
use m arine diesel oils, heating oils or
entirely or partially plant-based diesel
fuels, such as rape seed oil or bio diesel,
Aquazole and similar diesel-water
emulsions.
The flow and filterability of diesel fuel a re
temperature-dependent.
Diesel fuels with improved low-
temperature properties a re therefore
av ailable on the market during the winter
months. Make sure that you fill the tank
with winter fuel before the start of the cold
weather season.
Additives can be used in conjunction with
diesel fuels that have winter properties
guaranteed by the m anufacturer and
diesel fuel filters that are heated
depending on the outside temp erature.
Содержание 1994 Omega
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