Petrol Engines; Diesel Engines - CITROËN DS4 Owner's Handbook Manual

The petrol or Diesel engine of your vehicle is
fitted with a catalytic converter, a device which
helps to reduce the level of harmful emissions
in the exhaust gases.
For petrol engines, the use of unleaded fuel
is compulsory.
The filler neck is narrower, admitting unleaded
petrol nozzles only.
If you have put in the wrong fuel for
your vehicle, you must have have
the tank drained and refilled with
the correct fuel before you start the
engine.
Fuel supply cut-off
Your vehicle is equipped with a safety device
which cuts off the fuel supply in the event of a
collision.
Quality of the fuel used for

petrol engines

The petrol engines are perfectly compatible
with E10 or E24 type petrol biofuels (containing
10 % or 24 % ethanol), conforming to European
standards EN 228 and EN 15376.
E85 type fuels (containing up to 85 % ethanol)
are reserved exclusively for vehicles marketed
for the use of this type of fuel (BioFlex
vehicles). The quality of the ethanol must
comply with European standard EN 15293.
For Brazil only, special vehicles are marketed
to run on fuels containing up to 100 % ethanol
(E100 type).
Quality of the fuel used for

Diesel engines

The Diesel engines are perfectly compatible
with biofuels which conform to current and
future European standards (Diesel fuel which
complies with standard EN 590 mixed with a
biofuel which complies with standard EN 14214)
available at the pumps (containing up to 7 %
Fatty Acid Methyl Ester).
The B30 biofuel can be used in certain Diesel
engines; however, this use is subject to strict
application of the special servicing conditions.
Contact a CITROËN dealer or a qualified
workshop.
The use of any other type of (bio)fuel
(vegetable or animal oils, pure or diluted,
domestic fuel...) is strictly prohibited (risk of
damage to the engine and fuel system).
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