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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 5591 kipper
Thu Mar 22 2012, 07:47am
Sticky Thread
[Sticky]
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 Dave_Retired.  On Wed Oct 26 2011, 03:54am
1 6055 PentlandC4
Tue Jan 03 2012, 03:02pm
Sticky Thread
[Sticky]
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 7340 Dave_Retired.
Thu Feb 03 2011, 01:49am
Sticky Thread
[Sticky]
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 9481 routemaster1
Sat Feb 20 2010, 11:31am
Closed Sticky Thread
[Sticky]
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 7207 The Lyonator
Mon Dec 08 2008, 03:27pm
 Forum Threads
C4 sx 1.4 petrol LPG converted showing unstable ECU orders  I bought c4 sx 1.4 2008 LPG converted and after couple KMs it started engine stopping when I stop au[more ...] By monther032  On Fri Nov 30 2018, 03:08am
None 82 -
Short stall during warm-up  Hi,I drive a 2006 C4 1.6 HDI manual gear box.Lately I have noticed a short stall (maybe half a secon[more ...] By jokr  On Fri Nov 23 2018, 05:14am
None 84 -
C4 coupe 05 power steering problem  I seem to be having a problem with my Citroen c4 vts 05 where the power steering works for like 10 m[more ...] By hilly  On Mon Nov 19 2018, 07:07am
1 100 FakeConcern
Mon Nov 19 2018, 10:54am
C4 1.4 Petrol 2006 Surging engine + other problems  So I bought this car a little under a year ago. It was fine for about a month and started gradually [more ...] By Curtislw  On Sat Nov 10 2018, 03:02pm
None 235 -
C4 5 door hatch 1.6 petrol gearbox problem  Hi all.Magnus in Iceland here, I am new to the forum.So I green lighted the purchase of a family mem[more ...] By maggip  On Mon Nov 05 2018, 10:35am
None 209 -
EGS Calibration in Diagbox  Hello all,I just got a 2008 C4P. It was juddering at low speeds, fairly violently sometimes I though[more ...] By hazboss  On Fri Jul 27 2018, 11:24am
4 625 rusky
Tue Oct 30 2018, 05:36pm
1.6 HDI 9HZ injector problem  Hi Folks,I have a 2006 Citroen C4 with the 1.6 HDI 110 bhp engine. VIN no is VF7LA9HZH********The ca[more ...] By TSB  On Tue Oct 30 2018, 04:57am
4 289 TSB
Tue Oct 30 2018, 08:23am
C4 hatch 2005 2.0 HDi EGR issues  Car as per the subject.Symptoms - car is juddering when under medium acceleration. Feels like air in[more ...] By Mkaminski100  On Thu Oct 25 2018, 06:27pm
None 175 -
Electrical Experts, I need your help - A relay to delay power for 5-10s?  2005 Citroen C4 - I have had an issue with the AC blower fan not working, though the actual AC was o[more ...] By Valleriani  On Mon Oct 22 2018, 07:07am
3 248 Valleriani
Tue Oct 23 2018, 03:07pm
C4 racing steering wheel  Hi, I've just bought a 2005 C4 2.0 VTS Coupe that I'm going to convert to race spec for the MSVR TT [more ...] By Mattcortes  On Sat Oct 20 2018, 01:21pm
1 193 wozza
Tue Oct 23 2018, 10:13am
Electrical Connections (Front NS Side Light)  Hi All,Ive been tarting up my C4 Loeb for a few weeks, looking good until today. Quick check of ligh[more ...] By CalumX999  On Tue Oct 23 2018, 05:18am
None 188 -
C4 stepper motor?  Hi all,I have a 2005 C4 hatchback 2.0 tdi exclusive, it has dual climate control. I only bought the[more ...] By clarke  On Fri Jul 29 2011, 03:00pm
8 3104 Leo_Rincon
Sat Oct 13 2018, 09:56pm
'Error in communication'  Help! I bought the daughter a C4 Picasso because she said that her C3 was to small. I picked up a 20[more ...] By v10phil  On Sat Oct 13 2018, 02:02pm
None 243 -
2011 C4 GP 2.0 hdi (150bhp) EGR valve help, Where is it?  Hello, I have a 2011 C4 GP 2.0 HDI 150hb that has gone into limp mode. My cheap scanner gives the f[more ...] By RDanny  On Sun Sep 16 2018, 02:30pm
1 300 rusky
Sun Sep 16 2018, 03:14pm
Changing the clutch on my driveway 1.6HDi  Just changed the clutch on my 1.6HDi(90).... well, it took me 3 days!Luckily, I didn't need any spec[more ...] By HansZarkov  On Tue Sep 04 2018, 06:31am
4 452 HansZarkov
Tue Sep 04 2018, 02:12pm
Engine carbon clean  Has anybody got any comments on carbon clean on 2.0HDi C4 Picasso 82.5k miles 2011 plate? By derbyshire1970  On Sun Aug 19 2018, 02:20am
1 374 looxuser
Tue Aug 21 2018, 04:56pm
Timing belt area louder after timing belt change  Hi people,I changed the timing belt on my 2010 1.4 (ET3j4) some three weeks ago. I used a febi bilst[more ...] By davemaster  On Thu May 24 2018, 01:16am
2 580 looxuser
Tue Aug 21 2018, 04:46pm
Help with C4 parking sensor and Depollution errors  No, not the bomb. The Citroen! My mum's 2004 C4 1.6HDi VTR+ has had its "engine pollution" message o[more ...] By CaptainJack  On Tue Feb 04 2014, 08:24am
8 4457 CaptainJack
Wed Aug 15 2018, 03:04am
Navidrive RT3 2006 Citroen C4  Hi all....I'm new to here and to owning a citroen. I have a couple of problems so far that i hope m[more ...] By cmj3765  On Thu Aug 09 2018, 06:19am
None 374 -
What is this loose white connector near my pedals ?  I've only had my mk1 c4 for a few weeks now, so getting around to looking at things more carefully. [more ...] By AllEuan  On Thu Jul 12 2018, 11:36am
4 562 riven1962
Fri Jul 20 2018, 12:56pm
Noises when idle  Hi allI have a question about noises coming from the car.When sat in idle there is this buzzing soun[more ...] By Armaghgeddon88  On Mon Jul 16 2018, 05:28am
2 434 Armaghgeddon88
Mon Jul 16 2018, 08:50am
Abs esp module  Is anybody able to tell me if part 4542k6 or 4542k7 is a replacepmet for my Abs ecu for a 08 1.6hdi [more ...] By BigIll  On Thu Jun 28 2018, 06:31am
None 436 -
Handbrake faulty  C4GP 2007 2l HDi, changed back pads, now coming up code 555a force sensor that I can't clear? Where [more ...] By Rab147p  On Thu Jun 14 2018, 02:38pm
1 530 Rab147p
Fri Jun 15 2018, 10:05am
Lexia/Diagbox on 2007 C4 for TPMS?  Well I finally got Lexia up & running.Selecting the Lexia option, I was rather disappointed to s[more ...] By jaizan  On Tue May 29 2018, 02:44pm
1 582 rusky
Tue May 29 2018, 03:25pm
Agh this is driving me crazy - DS4 washer bottle  So I bought a damaged DS4 and slowly rebuilding bit by bit. Struggling to find what the water bottle[more ...] By Thedvdmonster  On Wed Mar 28 2018, 09:32am
5 1013 Thedvdmonster
Thu Apr 19 2018, 03:13am
Direction Indicator Issue  Hi All.Need some help please.I have a 2013 C4 Picasso Exclusive Airdream and I have a Service light [more ...] By tonyvan  On Sun Apr 15 2018, 05:11pm
4 711 tonyvan
Mon Apr 16 2018, 02:06pm
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
1 1293 acland
Mon Apr 16 2018, 11:27am
c4 1.4 2006 hatch coil pack error/ cuts out  hi i usualy fix my cars but this one as got me baffled, anti pollution and bleep then engine cuts ou[more ...] By carmadrob  On Sat Apr 14 2018, 01:09pm
None 629 -
Interior lights on a VTS  HelloI've bought a used c4 VTS and interior lights (ones that light up when doors are opened, both f[more ...] By Cutac  On Sat Mar 31 2018, 02:02pm
2 725 Cutac
Sat Mar 31 2018, 02:43pm
C4 ventilation problem  Hi. I own a 2009 hatch C4 1.4 with automatic aircon. The problem is that none of the servomotors fro[more ...] By razvanlb  On Sun Mar 25 2018, 03:51am
3 814 razvanlb
Wed Mar 28 2018, 04:14pm
Does this look right to you? Heater/fan blower  The motor driving the fan/blower is so noisy. Not only this but i think an asthmatic could breath wi[more ...] By Arwing  On Tue Mar 20 2018, 12:16pm
4 859 Arwing
Tue Mar 27 2018, 09:04am
Limp mode and EML dealer struggling  Hello all, I was wondering if anyone can help me and the Citroen dealership. I have a Citroen C4 pet[more ...] By Tinymartin  On Sat Mar 24 2018, 09:46am
None 749 -
Citroen C4 VTR petrol 2005  Hi all,Currently having problems with above car (arrrgh), here goes - anti pollution fault, changed [more ...] By gazzy  On Fri Mar 23 2018, 12:57pm
None 689 -
Fuel Smell When A.C is on  helloi have C4, 2010 1.6 Petrol.A few days ago i noticed Fuel smell when i turn on the a.c?the smell[more ...] By baselc4  On Thu Mar 22 2018, 04:35am
1 741 rusky
Thu Mar 22 2018, 05:50pm
How to remove cables from radio  Hello I own a c4 model 2007 a want to remove the radio to install another .I removed the radio with [more ...] By Koslinx  On Sun Mar 18 2018, 07:38am
1 791 rusky
Sun Mar 18 2018, 09:46am
EGS Sports Mode  I recently purchased a 2009 C4 1.6 HDI VTR+ EGS and have just discovered the sports mode doesn't wor[more ...] By Hopwood4895  On Thu Mar 15 2018, 04:31am
None 732 -
Crankshaft sensor  Hi Diagnostic tool shows a P0341 fault - crankshaft sensor fault - I have a c4 vtr+ 2007 - I have lo[more ...] By netpal1  On Mon Jan 22 2018, 03:51pm
1 1215 rusky
Tue Jan 23 2018, 01:42am
Diagnostic / fault readers?  I'm new to modern cars but have quickly realised a diagnostic machine is essential. Can anyone recom[more ...] By Arwing  On Tue Jan 09 2018, 02:49am
4 1219 Arwing
Tue Jan 09 2018, 11:03am
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 ]
18 12542 ark50
Thu Jan 04 2018, 01:35pm
C4 2012 GP 1.6hdi airfdream 35000 mile service  Hi all.I’m hoping someone can please offer some advice. Our now 5 year old GP 1.6hdi is due its annu[more ...] By Colls10  On Wed Jan 03 2018, 04:19pm
2 1077 FrankBullitt
Thu Jan 04 2018, 06:12am
Headlights  Is my 2009 Grand Picasso eligable for upgrade to xenon bulbs. Which are the best buy By cueball  On Fri Dec 22 2017, 11:32am
2 1151 Keith
Fri Dec 22 2017, 02:43pm
diesel glow plug light  My Citroen C4 Grand Picasso does not seem to have a glow plug warning light. Any ideas. By cueball  On Sun Dec 17 2017, 05:35am
1 1412 routemaster1
Sun Dec 17 2017, 05:46am
Xenon Headlight Error. Now are too high but working  Hi, I have an '05 5 door 2.0 HDi Exclusive with the xenons. I have recently been getting an error st[more ...] By damgood2k  On Tue Dec 12 2017, 02:14pm
7 1194 Ham
Sat Dec 16 2017, 10:41am
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
5 2590 Bikeryamaha
Sun Dec 10 2017, 12:32pm
C4 VTS 180bhp started cambelt change but didn't lock crank....  Hi all,I've just bought a 2005 C4 VTS 180 and as it has 89k miles and no record of cambelt change I [more ...] By tim123  On Sun Nov 19 2017, 02:08pm
3 1480 FakeConcern
Tue Nov 28 2017, 03:17pm
C4GP 2009 - EGS Gearbox ECU pin layouts / error P0563  Greetings all,My partner's got a C4GP 7 seater 2009 with the Prince 150bhp engine, but died this mor[more ...] By mwj666  On Mon Nov 20 2017, 03:24pm
None 1135 -
C4 VTS broke down and motorway and now no start. ESP error ?  Hello AllI have a VTS 180 which I adore! I've had it a few months and bar the parking sensors not wo[more ...] By schnick18  On Wed Nov 15 2017, 03:26pm
4 1435 KenC
Thu Nov 16 2017, 04:09am
No New Posts on Popular Thread
Heated mirrors installation  I have electrically adjustable door mirrors. I am interested to know if I have already built an elec[more ...] By casesensitive  On Sat Apr 28 2012, 10:13pm
10 3303 AArmin
Tue Nov 14 2017, 06:18am
Headlight on when stick switched off  Hi, and sorry if this has been resolved somewhere tried all day find anything to no luck. Driver sid[more ...] By Vohngar  On Sun Oct 29 2017, 02:26pm
5 1404 Vohngar
Wed Nov 01 2017, 04:05pm
Gear box - occasional slight crunch into 3rd  Evening, Purchased a 2008 1.6 C4 (Loeb), literally two days ago. I've noticed that when changing do[more ...] By addsmith  On Wed Oct 25 2017, 05:21pm
None 1250 -
Bizarre error codes after gearbox replace  Hi guys,The gist of it is that I purchased the car and when driving it home the gearbox decided to f[more ...] By alfymech  On Thu Oct 05 2017, 09:51am
1 1290 alfymech
Fri Oct 13 2017, 10:24am
C4 Coupe rear wiper delete  I'd like to get rid of the rear wiper on my Coupé. Its useless, hideous, I never use it and its not [more ...] By Cpt.Iglo  On Wed Oct 11 2017, 07:15am
2 1104 Cpt.Iglo
Thu Oct 12 2017, 01:47am
Front Parking Sensors - Front Bumper Removal - 2016 C4GP  After a collision (minor) with a piece of board on the motorway in terrible weather about 12 months [more ...] By pkaylor  On Mon Oct 09 2017, 10:41am
None 1107 -
No New Posts on Popular Thread
C4 Grand Picasso 2013 Start Stop issues  I have a C4 Grand Picasso Diesel Auto 1.6 2013 and only have done 7700 miles.Suddenly the Start Stop[more ...] By mastercare  On Fri May 19 2017, 05:01am
Goto page: [ 1 2 ]
15 4667 Clutha
Thu Oct 05 2017, 12:56pm
What the duce?  Just bought my first C4 VTR coupe. Very tasty. But, how in the name of love can the Loeb edition pus[more ...] By Rogi  On Wed Oct 04 2017, 04:26pm
1 1266 BigJohnD
Thu Oct 05 2017, 04:40am
What turbo? + a few other questions.....  I have a C4 1.6HDi and have researched that the turbo is a Garrett GT1544V model. So just a few ques[more ...] By Gooner_Mike  On Wed Aug 24 2011, 03:22pm
4 3040 Kangiev
Wed Oct 04 2017, 06:01am
Another brake light problem  Hi to allWondering if anyone can help before it go's to the garage, 2008 C4 cachet 1.6hdi 93A couple[more ...] By Rob555  On Thu Sep 14 2017, 04:14am
1 1343 Magistrate
Thu Sep 14 2017, 08:36am
1.6 auto gearbox problem  Hi don't know if anyone can help? I have a 1.6 auto and I was having the car jumping into third gear[more ...] By Rab1978  On Wed Sep 13 2017, 09:04am
None 1303 -
2.0HDi DMF & Clutch Replacement  Hi everyone,The DMF has failed on my 2007 2.0HDi EGS C4GP and wondered if anybody has managed to per[more ...] By mcitc4  On Wed Sep 06 2017, 04:02am
3 1524 rusky
Fri Sep 08 2017, 11:31am
1.6HDi loss of oil pressure  So I was in slow moving traffic a few days ago, and became aware that the hydraulic lifters were get[more ...] By discv  On Sat Aug 12 2017, 11:15am
6 1804 wingnut
Mon Sep 04 2017, 04:25pm
No New Posts on Popular Thread
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
13 6354 TwinsDad
Sat Aug 26 2017, 12:43pm
MOT advisory  HELP!Our 55 reg C4 VTR+ has passed the MOT but had advisory of something which I do not understand -[more ...] By Grumpy GrandPa  On Thu Aug 24 2017, 02:31pm
1 1463 wozza
Thu Aug 24 2017, 02:33pm
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 ]
36 19242 mikeconnectuk
Wed Aug 23 2017, 06:49am
Eurocarparts brake switch and extension harness to solve ABS and speed control error  I have fitted one of these Eurocarparts harness extensions plus a new brake switch to try and remove[more ...] By mikeconnectuk  On Tue Aug 22 2017, 06:42am
None 1168 -
Software update  I have a 08 c4GP vtr+I have the brake esp problemWe have checked all sensors and signals Cleaned and[more ...] By BigIll  On Tue Aug 08 2017, 03:52pm
None 1355 -
Location for Flywheel Peg tool  Hi,Can somebody please help?I removed my timing belt and then the camshaft spun on me. Now I need to[more ...] By Picassox  On Sun Aug 06 2017, 09:59am
6 1613 rusky
Mon Aug 07 2017, 04:11pm
Remote Locking Not Working After Key Fob Battery Change  I have just replaced the battery in my key fob (C4 Grand Picasso) as the old one was getting very 'h[more ...] By Pieboy32  On Sat Aug 27 2011, 09:05am
9 16809 gittos
Mon Aug 07 2017, 06:12am
C4 Hatchback Air Conditioning system parts  Hi guys, forum noob here so firstly Hello, my name is Pete. I have a 2007 C4 Cool 5 door hatch 1.6 p[more ...] By GBXPETE  On Mon Jul 10 2017, 10:50am
3 1813 GBXPETE
Sun Jul 23 2017, 11:19am
VTS 180 5/30w or 5/40w  Hey all recently new here. Can't find a definite answer on the search button as some say 5/30w and 5[more ...] By AndrewVTS  On Sat Jul 15 2017, 07:00pm
3 1815 wozza
Fri Jul 21 2017, 05:43pm
C4 only starts in the afternoon - seriously!  HiThe subject isn't far wrong. My 08 plate C4 (1.6petrol) only seems to start in the afternoons.Esse[more ...] By N34panda  On Wed Jul 19 2017, 02:01pm
None 1333 -
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