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Brake Fluid explained
  Brake fluid... Bit of a mystery topic!To help dispel some myths and for some good solid general info[more ...] By oilman  On Mon Dec 13 2010, 07:32AM
3 3349 kipper
Thu Mar 22 2012, 07:47AM
Sticky Thread
MOT Test 2012 changes
  There has been lots of discussion as to what will and won't be required from 2012 so if you want the[more ...] By Web Admin Only  On Wed Oct 26 2011, 03:54AM
1 3983 PentlandC4
Tue Jan 03 2012, 03:02PM
Sticky Thread
Aftermarket HID headlamps. What you need to know. July 07
  HID = High Intensity Discharge, commonly known as Xenon, headlights.From the Dept for Transport, Dec[more ...] By BigJohnD  On Wed Jul 25 2007, 10:24AM
3 5008 Web Admin Only
Thu Feb 03 2011, 01:49AM
Sticky Thread
The Definitive Biodiesel Guide for your C4
  According to Citroen Sustainable Development Team as of September 2008, this is the guidance for run[more ...] By firebee  On Fri Sep 05 2008, 07:12AM
13 6265 routemaster1
Sat Feb 20 2010, 11:31AM
Closed Sticky Thread
EGS Gearbox Classification
  I have spoken to DVLA (both Swansea and London) and neither organisation is sure how to classify the[more ...] By blueclouduk  On Wed May 07 2008, 05:05AM
3 5130 The Lyonator
Mon Dec 08 2008, 03:27PM
 Forum Threads
No New Posts on Popular Thread
Additional Heater  Hi I wonder if you could help me with information regarding the C4 GP.The common rail engines are de[more ...] By C4GPEXL  On Fri Jan 28 2011, 09:36AM
12 2273 mopowah
Mon Oct 24 2016, 04:47PM
Wiring cables from bonnet to inside the car  HiI have Citroen C4 1.6 SX HDI 2007 model car.Recently I have installed rear parking sensors that is[more ...] By xbot  On Sun Oct 16 2016, 09:31AM
None 44 -
C4 HDi pre 2010 starting circuit, low power to solenoid.  Good day allSorry to creep back like this after been gone for so long, was busy with some other proj[more ...] By Zedd  On Fri Oct 07 2016, 10:19AM
None 60 -
EGR Valve knackered?  Hi,My '06 C4 VTR+ coupe 1.6 HDi (non dpf) has just ticked over 180k miles and has developed what I t[more ...] By fenderblast  On Sun Sep 11 2016, 12:12PM
2 179 fenderblast
Tue Sep 20 2016, 04:18PM
2005 C4 2.0 HDi - Nut & Bolt for rear shock part number?  Hi all,Just about to replace the rear shocks on my C4 and I was wondering if anyone can give me the [more ...] By trembling_blender  On Tue Sep 20 2016, 05:02AM
2 81 trembling_blender
Tue Sep 20 2016, 05:27AM
Power sources  In C4 Hatchback 2007 SX model, I am intending to install parking sensors and reverse camera.Where ca[more ...] By xbot  On Wed Sep 14 2016, 06:51AM
None 103 -
Replacing with electric car seat  I have C4 SX which has manual-adjusted car seat, that will be replaced with electrical seats.Is ther[more ...] By xbot  On Thu Sep 08 2016, 11:14AM
None 105 -
Indicator wiring  Hi guys, just changed my C4 GP for a 2013 C4 petrol automatic and have fitted LED running lights uni[more ...] By eddyspetey44  On Wed Sep 07 2016, 12:53PM
None 95 -
Ignition System  My question is regarding a 2006 C4 VTS Coupe 180bhp with the EW10J4S engine, does this car have a ''[more ...] By Redfive05  On Mon Sep 05 2016, 05:09PM
None 105 -
outside temp sensor  hello people I'm after some help getting to the outside temp sensor in the mirror have taken the gla[more ...] By martinc4  On Sun Sep 04 2016, 01:19AM
None 93 -
No New Posts on Popular Thread
2005 auto aircon fan problem  Hi!I have the following problem: the aircon fan of my '05 petrol hatch stopped working. This is an a[more ...] By gsa1300  On Sat May 28 2016, 03:20PM
11 483 gsa1300
Thu Sep 01 2016, 12:44PM
No New Posts on Popular Thread
Heater motor not working please help.  Help please, I'm losing hair now right the heater fan just suddenly stopped ok so I'm looking at a r[more ...] By Jutty3  On Tue Nov 18 2014, 08:17AM
Goto page: [ 1 2 ]
17 2912 gsa1300
Tue Aug 30 2016, 12:22PM
Help for a non technical person (multiple Issues)  Hi Guys, I'm looking for some advice to see if anyone has had similar issues previous and how best t[more ...] By FutureVTS  On Tue Aug 30 2016, 04:50AM
1 117 KenC
Tue Aug 30 2016, 06:32AM
C4 1.6 16v - headlights pulsing  Hello,I have a problem with my car and no one was capable to solve it yet.Citroen C4 1.6 16v, 2008, [more ...] By Charles  On Fri Aug 19 2016, 12:57PM
7 250 Charles
Wed Aug 24 2016, 10:41AM
C4 1.4 16v - Lamda Issues - help!  Hi Everyone,A bit of background:When you start the car for the first 15 seconds it's fine, then it'l[more ...] By Starbuck88  On Tue Aug 23 2016, 04:36AM
4 138 Starbuck88
Tue Aug 23 2016, 01:48PM
Citroen C4 B7 2011 - lost USB, Bluetooth, Sound, Middle buttons (radio system). Can't find fuse.  Anyone know where they are located in fuse box? Can't find any information from internet. By e1mar  On Mon Aug 22 2016, 02:22AM
1 148 BigJohnD
Mon Aug 22 2016, 06:31AM
Service light then loss of power  Hiya, got a 2004 1.6 petrol coupe.lately, the car without warning the service light comes on, usuall[more ...] By Philz0r  On Mon Aug 08 2016, 12:33PM
3 192 Charles
Sun Aug 21 2016, 04:57AM
No New Posts on Popular Thread
06 C4 VTS HDi lacking boost  Hello,I recently bought a C4 VTS HDi with the 2.0 16v HDi with the DW10BTED4 RHR 16 Valve engine [more ...] By ham_vts  On Wed Feb 25 2015, 05:34PM
Goto page: [ 1 2 ]
21 4352 BigJohnD
Tue Aug 16 2016, 10:37AM
2005 Citroen C4 Heater Matrix 'O' rings  Sorry if this is in the wrong forum. I've searched but can't find exactly what I'm looking for, alth[more ...] By Dobbin  On Tue Mar 15 2016, 02:47AM
3 562 riven1962
Sun Aug 14 2016, 06:18AM
Cylinder Head C4 VTS Coupe  Cam belt broke yesterday and I'm having a problem getting the head off. It seems to be still attache[more ...] By Redfive05  On Sun Aug 07 2016, 03:23AM
1 157 rusky
Sun Aug 07 2016, 04:42AM
Need some help!  Brought a C4 VTR+ couple weeks ago and I love it but recently I have discovered 2 problems with the [more ...] By MaciejGoldyn  On Sat Aug 06 2016, 03:25PM
None 117 -
2005 Citroen C4 VTS HDi EGR problems  Hi,I have been having some problems with my C4 VTS HDi, I have been trying everything to sort it out[more ...] By Richard85  On Tue Aug 02 2016, 01:25PM
1 171 Richard85
Wed Aug 03 2016, 11:28AM
C4 HDi Turbo Oil Flow  I have recently purchased a C4 1.6 HDi and just before I bought it the previous owner had had the oi[more ...] By jimbob1979  On Thu Jul 28 2016, 09:38AM
6 299 jimbob1979
Mon Aug 01 2016, 03:57AM
Manual gear to e6g gear  Hello I have a 2005 C4 1,6HDi 110hp and I would like to rebuild it to one with a e6g gear boxBut wha[more ...] By Frankmich  On Wed Jul 27 2016, 01:32AM
2 200 Frankmich
Thu Jul 28 2016, 12:34AM
No New Posts on Popular Thread
1.6HDi power loss at 3000rpm  My C4 1.6HDi has been running fine since replacing the turbo but the other night I overtook a slow m[more ...] By Bert  On Fri Jan 22 2016, 11:22AM
11 916 Bazlar
Thu Jul 14 2016, 04:29AM
Directional Headlight Fault  Citroen C4 2006 2.0 HDI ExclusiveHi, trying to narrow down the Auto adjustment/directional fault. Th[more ...] By Swebby  On Sun Jun 19 2016, 07:56AM
4 425 FakeConcern
Mon Jul 11 2016, 04:05PM
No Air-Con?  So I got the Air Con on my 2007 1.6HDi Coupe regassed on Wednesday. I noticed it was cool but not co[more ...] By Homer09001  On Sun Jul 10 2016, 01:20AM
2 1215 Homer09001
Sun Jul 10 2016, 05:10AM
No New Posts on Popular Thread
Rotating Wheels/Tyres on VTS 180 (Tyre Pressure Sensors)  Hi All,I would like to move the rear wheels/tyres to the front and the front wheels/tyres to the rea[more ...] By colinh  On Mon Mar 29 2010, 04:41PM
10 2207 Biohead
Sun Jul 03 2016, 01:20PM
Oil Leakage  C4 2007 1.6 HDI VTR 110I have recently replaced the cam cover seal hoping to cure an "oil leak". How[more ...] By Swebby  On Sat Jun 25 2016, 10:31AM
None 217 -
No New Posts on Popular Thread
Noisy tappets on cold start up - 1.6 16v petrol!  Hi all,I have a 1.6 16v petrol, TU5JP4 engine (2005).Purchased just 3 months ago. 33,000 miles with [more ...] By bluebubble  On Mon Feb 01 2016, 01:20PM
Goto page: [ 1 2 3 ]
31 2717 bluebubble
Sun Jun 19 2016, 11:52AM
Removing / cleaning the Intercooler on a C4 1.6 HDi 2007  I have the well documented problem with oil in the air intake system. Last night I removed the doseu[more ...] By jimbob1979  On Tue Jun 14 2016, 04:33AM
3 390 jimbob1979
Wed Jun 15 2016, 07:05AM
Electrical issue  Hi everybody, I'm having a strange electrical problem with my C4 1.6 (TU5JP4).These lights stays on [more ...] By nooredin  On Tue Jun 14 2016, 12:26AM
2 286 nooredin
Wed Jun 15 2016, 06:19AM
[moved] P0658  I have a 2007 C4 with the above fault code. A mobile mechanic has told me the actuator sensor needs[more ...] By Kal  On Sat May 28 2016, 08:44AM
1 282 niggly56
Sun May 29 2016, 01:13AM
No New Posts on Popular Thread
Brake switch and additional loom for C4 VTR+ with ESP/ABS warning light  Have had what appears to be a common fault with the ESP/ABS light coming on until switch off. then r[more ...] By philrad  On Mon Jun 22 2009, 11:43AM
Goto page: [ 1 2 3 ]
32 10559 JVT
Thu May 19 2016, 03:12PM
C4 2009 - ESP ECU Location  HiDoes anyone know if the ESP has a dedicated ECU ? If yes where is it located ?Thanks By CitroenZX  On Tue May 17 2016, 01:30PM
None 260 -
cam shaft snsor c4 1.6 hdi 110 bhp  hi ive had diagnostics done on my c4 Picasso tells me I need camsensor has any body out there got an[more ...] By phillpot  On Sun May 15 2016, 03:37PM
None 262 -
Help please with front wheel arch plastic trim removal 08 C4 Picasso 1.6HDi EGS  Trying to check actuator contacts and oil level as having problems with gear selection I've when in [more ...] By rickblake  On Wed Apr 27 2016, 08:34AM
5 446 rickblake
Fri Apr 29 2016, 06:25AM
Preheat relay fuse location help!!  Can anyone tell me where the fuse for the glowplug/preheat relay is located.I do not have +12v in th[more ...] By Frankmich  On Mon Apr 25 2016, 02:05PM
1 600 Frankmich
Wed Apr 27 2016, 12:07PM
Stabiliser link rods  Hello,This might be a stupid question, but I need to replace stabiliser link rods (hope the name is [more ...] By Joply  On Tue Apr 26 2016, 03:28AM
1 394 gmerry
Tue Apr 26 2016, 05:09AM
Citroen C4 Coupe rear light failure  Today I was pulling into school when the right indicator started flashing much faster than usual so [more ...] By nick3751  On Tue Apr 19 2016, 09:27AM
2 447 riven1962
Thu Apr 21 2016, 03:27PM
Citroen C4 1.6 HDi engine dead  Hello everyone. I have a big problem with my Citroen C4 1.6 HDi, 90 HP, and I am writing here thinki[more ...] By vladd.alex  On Thu Apr 14 2016, 11:57PM
3 547 vladd.alex
Mon Apr 18 2016, 12:55AM
Citroen C4 Dual Mass Flywheel  Hi,I'm new to the forum and would like to ask a question about my Citroen C4.It's a SX Model, 1.4L P[more ...] By AndrewLincoln  On Thu Mar 24 2016, 02:00PM
2 530 Web Admin Only
Sat Apr 16 2016, 04:41AM
C4 standard headlight replacment to Xenon  Hi,I can't find any topics regarding this problem.I bought xenon headlight units and just tried to c[more ...] By SLA  On Wed Sep 03 2014, 05:17PM
8 2601 Biohead
Mon Apr 11 2016, 11:31AM
C4 HDi - No boost at all!  Not another bl**dy thread about turbo boost on a C4 HDi!Long story but I really need some help under[more ...] By wozzlegummich  On Tue Apr 05 2016, 04:46PM
1 447 gmerry
Tue Apr 05 2016, 05:30PM
Flashing steering wheel panel lights  Got a 2006 VTR+ coupe and just filled up at the petrol station... When I started the car, everything[more ...] By Motte  On Tue Mar 20 2012, 03:37PM
2 1530 rowtrak098
Sat Mar 26 2016, 05:04AM
C4 coupe 2005 heater controls and stereo  Hey guys, my first on this forum and have been browsing for a while now. Would firstly like to say o[more ...] By killa_007  On Sun Mar 20 2016, 11:56AM
3 509 BigJohnD
Sun Mar 20 2016, 05:32PM
Installing directional Xenon headlamps  HiI have a C4 THP make year 2009. My car comes without Xenon headlights. I can get a pair of C4 orig[more ...] By CitroenZX  On Sat Mar 12 2016, 09:51AM
5 732 ksibbons
Sat Mar 19 2016, 10:58AM
RaceChip - For THP engine  Hi Has anyone installed a RaceChip piggy box on a car with THP engine? Does it make any difference? [more ...] By CitroenZX  On Sat Mar 05 2016, 01:37AM
4 647 wozza
Thu Mar 17 2016, 06:28PM
C4 THP - Error code FC83 and F4BA  HiI hooked a Lexia to my C4 ( make year 2009 ) THP and read the error logFC83 Transponder aerial fau[more ...] By CitroenZX  On Thu Mar 17 2016, 05:35AM
None 495 -
C4 THP make year 2009 - Installing front parking sensors  I have a C4 THP make year 2009. My car is originally fitted with rear parking sensors. I want to ins[more ...] By CitroenZX  On Sat Mar 12 2016, 10:05AM
3 540 CitroenZX
Thu Mar 17 2016, 05:14AM
Part number/name for pipe exiting the DPF (1.6 HDi)?  Hi, as I just mentioned in my intro I bought a '06 1.6 HDi (80 kW) last year, and it has had som min[more ...] By pcwhagene  On Sun Mar 13 2016, 08:55AM
2 520 pcwhagene
Wed Mar 16 2016, 05:44PM
Air con pressure sensor / switch location?  Hi all. First post from a newbie on the forum! I have a 2008 C4 1.6HDI. I think I have a problem wit[more ...] By rustens  On Mon Mar 14 2016, 03:50AM
3 538 gmerry
Wed Mar 16 2016, 02:46AM
C4 2.0HDi excessive tyre wear on outer edge  Both front tyres are wearing heavily on the outside edge. The tracking was checked a short time ago [more ...] By Swebby  On Sat Mar 12 2016, 01:56PM
1 483 wozza
Sat Mar 12 2016, 04:52PM
2005 Citroen C4 parking sensor fault  I have a 2005 Citroen C4 with faulty factory fitted reverse parking sensors. I've had the code reset[more ...] By mackie321  On Tue Mar 08 2016, 08:04AM
None 511 -
THP engine - Increase power  HiI have notice that although all THP engines seems to be same they have different max power depends[more ...] By CitroenZX  On Sat Mar 05 2016, 01:34AM
4 592 BigJohnD
Sun Mar 06 2016, 05:44AM
Oil filter pressure relief valve  C4 coupe 1.4 VT Petrol.Just had the "low oil pressure STOP" message on dashboard. After reading the [more ...] By Indigo  On Tue Feb 23 2016, 06:17AM
None 532 -
URGENT. Does the C4 have a limp mode?  My 05 Citroen C4 VTS' clutch went today and then died. Won't start. It'll turn over and all the elec[more ...] By emarkey  On Thu Feb 18 2016, 03:24PM
8 932 gmerry
Mon Feb 22 2016, 12:31PM
How to get at the turbo on 2006 C4 2.0 HDi hatch  Hi I need help how do I get to the turbo on my 2006 C4 2.0HDi hatch 138bhp I need to check the pipes[more ...] By scalesy  On Tue Feb 16 2016, 01:53PM
1 575 Biohead
Fri Feb 19 2016, 10:07AM
Removing the bumper on a 3d C4 coupe  Just wondering if anyone has a photo breakdown of how to remove the bumper on a 3d coupe. My parking[more ...] By Dblack  On Tue Feb 16 2016, 02:45AM
8 636 Dblack
Thu Feb 18 2016, 05:31AM
Oil pressure warning  Hi all, new to this and never been on a forum before so bare with me, I got a Citroen c4 1.4 VT coup[more ...] By Mark_Eadie  On Tue Feb 16 2016, 02:56AM
3 616 Mark_Eadie
Tue Feb 16 2016, 07:18AM
Exhaust measurements?  Does anyone here have a schematic or measurements for the exhaust on a C4 VTS? I have a guy that can[more ...] By emarkey  On Wed Feb 10 2016, 09:10AM
4 564 emarkey
Wed Feb 10 2016, 04:28PM
VTS exhaust manifolds  Hi guys, first of all I'm new on this forum... so hello everybody! I just bought a 2005 C4 VTS and s[more ...] By Mattale1985  On Sun Feb 07 2016, 03:25PM
4 642 wozza
Wed Feb 10 2016, 11:46AM
C4 Grand Picasso Platinum 1.6 e-HDi  Hi,Last GP 07 plate on 116,000 miles had to come to an end when Citroen had it in and they themselve[more ...] By Colls10  On Mon Feb 08 2016, 08:23AM
1 528 YOG
Mon Feb 08 2016, 10:33AM
Noise from engine after it's switched off.  Hi i recently started to hear a buzzing/humming noise cumin from the engine after the ignition had b[more ...] By Damian99  On Thu Jul 30 2015, 07:00AM
5 1192 JollyRoger
Sun Feb 07 2016, 08:07AM
MAF Sensor Plug 1.6 HDI  Hi Does anyone one where I can get MAF Sensor Plug or extension cable or even know what the part num[more ...] By mikebrickles  On Fri Feb 05 2016, 03:12AM
3 599 nitropixie
Fri Feb 05 2016, 03:18PM
PDC Control Button Pin Out/Schematic  Hi all, does anyone pretty please know what the pin out is on the PDC (parking sensor) button mounte[more ...] By bencordy  On Wed Feb 03 2016, 12:09PM
None 473 -
Gearboxes  Hi everyone, having a bit of trouble with my C4 at the moment.I recently removed the gearbox to chan[more ...] By Jimmycrackcorn  On Tue Feb 02 2016, 01:34AM
9 878 gmerry
Wed Feb 03 2016, 12:06PM
No New Posts on Popular Thread
C4 HDi Oil in air intake pipe, normal?  Wonder if anyone could perhaps enlighten me to something which I've noticed on my VTR+ 1.6 Hdi. It h[more ...] By rowls  On Thu Apr 28 2011, 02:10PM
Goto page: [ 1 2 ]
16 14984 RobWoodward4
Sat Jan 30 2016, 07:41PM
No New Posts on Popular Thread
Programmable button on Steering Wheel  I was debating if here or the ICE section was most appropriate for this! However figured it was lean[more ...] By maui  On Tue Sep 24 2013, 01:37PM
11 2491 bencordy
Thu Jan 28 2016, 04:18PM
Reverse light switch location?  Hi all,Having searched "te tinternet" (I am Yorkshire) I can't seem to find the location of the reve[more ...] By Soundwave740  On Mon Jan 25 2016, 04:45AM
4 707 Soundwave740
Wed Jan 27 2016, 10:26AM
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