2014.5 Citroen C4 check engine

Technical data
Checks
Practical
 i

nformation
Driving recommendations 1 59
Starting-switching   off   the   engine  
with
  the   key  
1
60
Starting-switching
  off   the   engine   with   the  
"

Keyless   Entry   and   Starting"   system  
1
63
Electric
  parking   brake  
1
67
Manual
 par

king
 b
rake
 1
74
Manual
 g

earbox
 1
75
Electronic
  gearbox  
1
76
Automatic
  gearbox  
1
80
Hill
  start   assist  
1
85
Gear
  ef ficiency   indicator  
1
86
Tyre
  under-inflation   detection  
1
87
Stop
  &   Start  
1
89
Blind
  spot   sensors  
1
92
Memorising
  speeds  
1
95
Speed
  limiter  
1
97
Cruise
  control  
1
99
Parking
  sensors  
2
01
Driving
Emergency or assistance 283
7-inch   touch   screen   tablet  2 85
Audio
  system  
3
55
Audio and telematics
Alphabetical
 in
dex
Fuel tank 2 04
Misfuel   prevention   (Diesel)  2 06
Running
  out   of   fuel   (Diesel)  
2
07
Bonnet
 20

8
Petrol
  engines  
2
09
Diesel
  engines  
2
10
Checking
  levels  
2
11
Checks
 2

15
AdBlue
® additive and SCR system (
BlueHDi Diesel)  2 17
Temporary
  puncture   repair   kit  
2
25
Changing
  a   wheel  
2
30
Snow
 
chains  
2
37
Changing
  a   bulb  
2
38
Changing
  a   fuse  
2
47
12
 
V
 
battery  
2
52
Energy
 
economy   mode  
2
56
Changing
  a   wiper   blade  
2
57
Fitting
 
roof   bars  
2
58
Very
 
cold   climate   screen  
2
58
Towing
 
the   vehicle  
2
59
Towing
 
a   trailer  
2
61
Towbar
 
with   quickly   detachable   towball  
2
63
Audio
 
pre-equipment  
2
68
Accessories
 2

69Petrol
  engines  
2
71
Petrol   weights  
2
73
Diesel   engines  
2
75
Diesel   weights  
2
77
Dimensions
 2
80
Identification
 ma
rkings
 2
81
Contents

9
Technical data - Maintenance
Running out of Diesel fuel 207
Checking   levels  
2
11-214
-
 
o
il
-
 
b
rake   fluid
-
 c

oolant
-
 
p
ower   steering   fluid
-
 
s
creenwash   /   headlamp   wash   fluid
-
 
a
dditive   (Diesel   with   particle  
e

missions
 f
ilter)
AdBlue
  additive  
2
17-224
Changing
 bu

lbs
 2
38-246
-
 
f
ront
-
 
r
ear Petrol
  engines  
2
71-274
Diesel   engines  
2
75 -279
Dimensions
 2
80
Identification
 ma
rkings
 2
81
Bonnet
 20
8
Petrol
  underbonnet  
2
09
Diesel
  underbonnet  
2
10Checking
  components  
2
15 -216
-
 b

attery
-
 
a
ir   filter   /   passenger  
c

ompartment   filter
-
 
o
il   filter
-
 
p
article   filter   (Diesel)
-
 
b
rake   pads   /   discs
Battery 2
52-255
Energy   economy   mode  2 56
Engine
 c
ompartment
 
f

uses  
2
47-248,   251
.
over view

11
Limit the causes of excess consumption
Spread loads throughout the vehicle; place the heaviest items in the bottom   of   the   boot,   as   close   as   possible   to   the   rear   seats.
Limit
  the   loads   carried   in   the   vehicle   and   reduce   wind   resistance   (roof  
b

ars,   roof   rack,   bicycle   carrier,   trailer...).   Use   a   roof   box   in   preference.
Remove
  roof   bars   and   roof   racks   after   use.
At
  the   end   of   winter,   remove   snow   tyres   and   refit   your   summer   tyres.
Observe the recommendations on maintenance
Check the tyre pressures regularly, when cold, referring to the label in the   door   aperture,   driver's   side.
Carry
  out   this   check   in   particular:
-
 
b
efore   a   long   journey,
-
 
a
t   each   change   of   season,
-
 
a
fter   a   long   period   out   of   use.
Don't
  forget   the   spare   wheel   and   the   tyres   on   any   trailer   or   caravan.
Have
  your   vehicle   serviced   regularly   (engine   oil,   oil   filter,   air   filter,  
p

assenger   compartment   filter...)   and   observe   the   schedule   of  
o

perations   recommended   in   the   manufacturer's   service   schedule.
With
  a   BlueHDi   Diesel   engine,   if   the   SCR   system   is   faulty   your   vehicle  
b

ecomes   polluting;   go   to   a   CITROËN   dealer   or   a   qualified   workshop  
w

ithout   delay   to   have   the   emissions   of   nitrous   oxides   brought   back   to  
t

he   legal   level.
When
  refuelling,   do   not   continue   after   the   third   cut-off   of   the   nozzle   to  
a

void   any   over flow.
At
  the   wheel   of   your   new   vehicle,   it   is   only   after   the   first   1   800   miles  
(

3 000   kilometres)   that   you   will   see   the   fuel   consumption   settle   down   to  
a

  consistent   average.
.
Eco-driving

17
Engine oil
pressurefixed.
There   is   a   fault   with   the   engine  l
ubrication   system.You
  must   stop   as   soon   it   is   safe   to   do   so.
Park,   switch   off   the   ignition   and   contact   a   CITROËN  
d

ealer   or   a   qualified   workshop.
Warning
/indicator lampis on Cause Action/Observations
Battery charge fixed. The
  battery   charging   circuit   has   a  
f

ault   (dirty   or   loose   terminals,   slack   or  
c

ut   alternator   belt,   ...).The
  warning   lamp   should   go   off   when   the   engine   is  
s

tarted.
If
  it   does   not   go   off,   contact   a   CITROËN   dealer   or   a  
q

ualified
 w
orkshop.
Braking fixed,
  associated   with  
t

he   STOP   warning  
lam

p.The
  braking   system   fluid   level   has  
d

ropped
 s
ignificantly.You
  must   stop   as   soon   as   it   is   safe   to   do   so.
Top
  up   with   brake   fluid   recommended   by   CITROËN.
If
  the   problem   persists,   have   the   system   checked   by   a  
C

ITROËN   dealer   or   a   qualified   workshop.
+
fixed, associated with the e lectric   parking   brake m

alfunction
 w
arning
 l

amp,   if   the   parking   brake
 i

s
 r
eleased.The braking system has a fault. Y ou   must   stop   as   soon   as   it   is   safe   to   do   so.
Park,   switch   off   the   ignition   and   contact   a   CITROËN  
d

ealer   or   a   qualified   workshop.
+ fixed,
 
associated
 
with
 
t

he
 
STOP
 
and
 
ABS
 
w

arning
 lam

ps. The
 
e
lectronic  
b
rake  
f
orce  
d
istribution  
(

EBFD)   system   has   a   fault.You
  must   stop   as   soon   as   it   is   safe   to   do   so.
Have
  it   checked   by   a   CITROËN   dealer   or   a   qualified  
w

orkshop.
1
Monitoring

20
Warning/indicator lampis on Cause Action/Observations
Anti-lock
Braking System
(ABS) fixed.
The
  anti-lock   braking   system   has   a  
f

ault.The
  vehicle   retains   conventional   braking.
Drive
  carefully   at   reduced   speed   and   contact   a  
C

ITROËN   dealer   or   a   qualified   workshop   without  
d

e l ay.
Engine
autodiagnosis
system
flashing.
The
  engine   management   system   has  
a

  fault.Risk
  of   destruction   of   the   catalytic   converter.
Have
  it   checked   by   a   CITROËN   dealer   or   a   qualified
 w

orkshop.
fixed. The
  emission   control   system   has   a  
f

ault.
The warning lamp should go off when the engine is started.
I f   it   does   not   go   off,   contact   a   CITROËN   dealer   or   qualified w

orkshop   without   delay.
Low fuel level fixed,   accompanied   by  a
nd   audible   signal   and  
a

  message. When
  it   first   comes   on   there   remains  a
pproximately 6 litres of fuel in the
tank.
At
  this   point,   you   begin   to   use   the   fuel  
r

eserve.Refuel
  as   soon   as   possible   to   avoid   running   out   of  f
uel.
Until
  sufficient   fuel   is   added,   this   warning   lamp   will  
c

ome   on   every   time   the   ignition   is   switched   on,  
a

ccompanied   by   an   audible   signal   and   a   message.  
T

his   audible   signal   and   message   are   repeated  
with
  increasing   frequency   as   the   fuel   level   drops  
tow

ards
 "
0".
Fuel
  tank   capacity:   approximately   60 litres.
Never
  continue   to   drive   until   you   run   out   of   fuel,   as  
t

his   could   damage   the   emission   control   and   injection  
s

ystems.
Monitoring

21
Warning/indicator lampis on Cause Action/Observations
Foot on the
clutch** fixed.
In
  the   STOP   mode   of   Stop   &   Start,  
c

hanging   to   START   mode   is   refused  
b

ecause   the   clutch   pedal   is   not   fully  
d

own.You
  must   declutch   fully   to   allow   the   change   to   engine  
S

TART   mode.
**
  Only   on   the   type   1   instrument   panel.
Dynamic
stability control
(DSC/ASR)
flashing.
Regulation
  by   the   system   is   active. The   system   optimises   traction   and   improves   the  
d

irectional   stability   of   the   vehicle.
fixed,
  associated   with  
i

llumination   of   the  
i

ndicator   lamp   in   the  
d

eactivation   button,  
a

ccompanied   by   an  
a

udible   signal   and   a  
m

essage.The
  DSC/ASR   or   hill   start   assist  
s

ystem   has   a   fault.Have
  it   checked   by   a   CITROËN   dealer   or   a   qualified  
w

orkshop.
Power
steering fixed.
The
  power   steering   has   a   fault. Drive   carefully   at   reduced   speed.
Have
  it   checked   by   a   CITROËN   dealer   or   a   qualified  
w

orkshop.
Under-inflation fixed. The
  pressure   in   one   or   more   wheels  
i

s   too   low.Check
  the   pressure   of   the   tyres   as   soon   as   possible.
This
  check   should   preferably   be   carried   out   when   the  
t

yres   are   cold.
+ flashing
  then   fixed,  
a

ccompanied   by   the  
S

ervice   warning   lamp.The
  tyre   pressure   monitoring   system  
h

as   a   fault   or   no   sensor   is   detected  
o

n   one   of   the   wheels.Under-inflation
  detection   is   not   assured.
Have
  the   system   checked   by   a   CITROËN   dealer   or   a  
q

ualified
 w
orkshop.
Directional
headlamps flashing.
The
  directional   headlamps   system  
h

as   a   fault.Have
  it   checked   by   a   CITROËN   dealer   or   a   qualified  
w

orkshop.
1
Monitoring

22
Presence of
water in the
Diesel fuel**fixed.
The   Diesel   fuel   filter   contains   water. Risk   of   damage   to   the   injection   system   on   Diesel  e
ngines.
Contact
  a   CITROËN   dealer   or   a   qualified   workshop  
w

ithout   delay.
Particle filter
(Diesel) fixed,
 a

ccompanied
 b

y   an   audible   signal  
m

essage   on   the   risk  
o

f   blockage   of   the  
p

article   filter.This
  indicates   that   the   particle   filter   is  
s

tarting   to   become   saturated.As
  soon   as   driving   conditions   allow,   regenerate   the  
f

ilter   by   driving   at   a   speed   of   at   least   35   mph   (60   km/h)  
u

ntil   the   warning   lamp   goes   off.
fixed,
  accompanied   by
 a

n   audible   signal   and
 a

nd   a   message   that   the
 p

article   filter   additive
 l

evel   is   too   low.This
  indicates   the   low   level   of   the  
a

dditive
 r
eservoir.Have
  the   reservoir   topped   up   as   soon   as   possible   by   a  
C

ITROËN   dealer   or   a   qualified   workshop.
Warning
/indicator lampis on Cause Action/Observations
Airbags temporarily. This   lamp   comes   on   for   a   few  
s

econds   when   you   turn   on   the  
i

gnition,   then   goes   off.
This   lamp   should   go   off   when   the   engine   is   started.
If   it   does   not   go   off,   contact   a   CITROËN   dealer   or   a  
q

ualified
 w
orkshop.
fixed. One   of   the   airbag   or   seat   belt  
p

retensioner   systems   has   a   fault.
Have   it   checked   by   a   CITROËN   dealer   or   a   qualified  
w

orkshop.
**
 
Only
 
on   the   type   1   instrument   panel.
Monitoring

29
Engine oil level
indicator*
Oil level correct
This is indicated by the flashing of "O IL" or the
display   of   a   message,   accompanied   by   the  
s

ervice   warning   lamp   and   an   audible   signal.
If
  the   low   oil   level   is   confirmed   by   a   check   using  
t

he   dipstick,   the   level   must   be   topped   up   to  
a

void   damage   to   the   engine.
Refer
  to   the   "Checking   levels"   section.
Oil level indicator fault
In the event of a fault with the electric indicator, the   oil   level   is   no   longer   monitored.
If
  the   system   is   faulty,   you   must   check   the  
e

ngine   oil   level   using   the   manual   dipstick  
l

ocated   under   the   bonnet.
Refer
  to   the   "Checking   levels"   section.Oil level incorrect
This is signalled by the flashing of "O IL--" or
the   display   of   a   message.
Contact
  a   CITROËN   dealer   or   a   qualified  
w

orkshop.
On
 
versions
 
fitted
 
with
 
an
 
electric
 
oil
 
level
 
i

ndicator,
 
the
 
state
 
of
 
the
 
engine
 
oil
 
level
 
is
 
d

isplayed
 
in
 
the
 
instrument
 
panel
 
for
 
a
 
few
 
s

econds,
 
at
 
the
 
same
 
time
 
as
 
the
 
servicing
 
i

nformation.
*
 
Depending
 
on
 
version.
The
 
level
 
read
 
will
 
only
 
be
 
correct
 
if
 
t

he
 
vehicle
 
is
 
on
 
level
 
ground
 
and
 
the
 
e

ngine
 
has
 
been
 
off
 
for
 
more
 
than
 

30
 m

inutes.
1
Monitoring