2012 Citroen C4 fuel pump
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4
ACCESS
96
FUEL TANK
Capacity of the tank: approximately
60 litres.
When the low fuel level in the
tank is reached, this warning
lamp comes on in the instru-
ment panel, accompanied by
an audible warning and an alert
message. When it fi rst comes
on, around 6 litres
of fuel re-
main in the tank.
Until suffi cient fuel has been added,
every time the ignition is switched on,
this warning lamp appears, accompa-
nied by an audible signal and an alert
message. Depending on version, when
driving, this audible signal and the dis-
play of this alert message are repeated
with increasing frequency, as the level
drops towards 0
.
You must refuel as soon as possible to
avoid running out.
If you run out of fuel (Diesel), refer also
to "Checks".
Low fuel level
Refuelling
Additions of fuel must be of at least
5 litres to be registered by the fuel gauge.
Opening the fi ller cap may result in an
inrush of air. This vacuum is entirely
normal and results from the sealing of
the fuel system.
If you have put in the wrong
fuel for your vehicle, you must
have have the tank drained and
refi lled with the correct fuel be-
fore you start the engine.
)
Press control A
until the automatic
opening of the fuel fl ap is heard.
This control remains active for a few
minutes after switching off the igni-
tion. If necessary, switch the ignition
on again to reactivate it.
If you are fi lling your tank to the top,
do not persist after the third cut-off;
this could cause your vehicle to mal-
function.
)
Take care to select the pump that
delivers the correct fuel for your ve-
hicle.
)
Introduce the nozzle so as to push
in the metal non-return fl ap B.
)
Make sure that the nozzle is pushed
in as far as possible before starting
to refuel (risk of blowback).
)
Maintain this position while refuel-
ling.
)
Push the fuel fl ap to close it.
With Stop & Start, never refuel
with the system in STOP mode;
you must switch off the ignition
with the key.
Page 99 of 332
4
ACCESS
97
Quality of the fuel used for
petrol engines
The petrol engines are perfectly com-
patible with E10 or E24 type petrol
biofuels (containing 10 % or 24 % etha-
nol), conforming to European standards
EN 228 and EN 15376.
E85 type fuels (containing up to 85 %
ethanol) are reserved exclusively for ve-
hicles 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 com-
patible with biofuels which conform to
current and future European standards
(Diesel fuel which complies with stan-
dard 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 sub-
ject to strict application of the special ser-
vicing conditions. Contact a CITROËN
dealer or a qualifi ed workshop.
The use of any other type of (bio)fuel
(vegetable or animal oils, pure or dilut-
ed, domestic fuel...) is strictly prohibited
(risk of damage to the engine and fuel
system).
The petrol or Diesel engine of your ve-
hicle is fi tted 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 un-
leaded fuel is compulsory.
The fi ller neck is narrower, admitting
unleaded petrol nozzles only.
Fuel supply cut-off
Your vehicle is equipped with a safety
device which cuts off the fuel supply in
the event of a collision.
Page 100 of 332
4
ACCESS
98
MISFUEL PREVENTION
(DIESEL) *
Mechanical device which prevents fi ll-
ing the tank of a Diesel vehicle with
petrol. It avoids the risk of engine dam-
age that can result from fi lling with the
wrong fuel.
Located in the fi ller neck, the misfuel
prevention device appears when the
fi ller cap is removed.
Operation
When a petrol fi ller nozzle is introduced
into the fuel fi ller neck of your Diesel
vehicle, it comes into contact with the
fl ap. The system remains closed and
prevents fi lling.
Do not persist but introduce a Diesel
type fi ller nozzle.
It remains possible to use a fuel
can to fi ll the tank; this must be
done slowly.
In order to ensure a good fl ow of
fuel, do not place the nozzle of
the fuel can in direct contact with
the fl ap of the misfuel prevention
device.
This equipment will become available
during the year.
*
According to country of sale.
Travelling abroad
As Diesel fuel pump nozzles
may be different in other coun-
tries, the presence of the misfuel
prevention device may make re-
fuelling impossible.
Before travelling abroad, we
recommend that you check with
the CITROËN dealer network,
whether your vehicle is suitable
for the fuel pumps in the country
in which you want to travel.
Page 183 of 332
10
CHECKS
181
RUNNING OUT OF FUEL
(DIESEL)
1.6 litre HDi engine
)
Fill the fuel tank with at least fi ve
litres of diesel.
)
Open the bonnet.
)
If necessary, unclip the styling cover
for access to the priming pump.
)
Squeeze and release the priming
pump repeatedly until resistance is
felt (there may be resistance at the
fi rst press).
)
Operate the starter until the engine
starts (if the engine does not start
at the fi rst attempt, wait around
15 seconds before trying again).
)
If the engine does not start after a
few attempts, operate the priming
pump again then start the engine.
)
Clip the styling cover back in place.
)
Close the bonnet.
2 litre HDi engine
)
Fill the fuel tank with at least fi ve litres
of Diesel.
)
Open the bonnet.
)
Unclip the style cover for access to
the priming pump.
)
Slacken the bleed screw.
)
Squeeze and release the priming
pump repeatedly until fuel appears
in the transparent pipe with the
green connector.
)
Tighten the bleed screw.
)
Operate the starter until the engine
starts.
)
Put the style cover back in position
and clip it in place, ensuring that it
has clipped correctly.
)
Close the bonnet.
If the engine does not start fi rst
time, don't keep trying. Start the
procedure again from the begin-
ning.
On vehicle fi tted with HDi engines, the
fuel system must be primed if you run
out of fuel; refer to the engine com-
partment view on the "Diesel engine"
page.
If the tank on your vehicle is fi tted with
a misfuel prevention device, refer to the
section "Access - § Misfuel prevention
(Diesel)".
Page 185 of 332
10
CHECKS
183
*
According to engine.
DIESEL ENGINES
The various caps and covers allow access for checking the levels of the various fl uids, for replacing certain components and
for priming the fuel system.
1.
Power steering reservoir.
2.
Screenwash and headlamp wash
reservoir.
3.
Coolant reservoir.
4.
Brake fl uid reservoir.
5.
Battery/Fuses.
6.
Fusebox.
7.
Air fi lter.
8.
Engine oil dipstick.
9.
Engine oil fi ller cap.
10.
Priming pump * .
11 .
Bleed screw * .