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[Sticky]
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

5071

kipper
Thu Mar 22 2012, 07:47am

[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

5554

PentlandC4
Tue Jan 03 2012, 03:02pm

[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

6814

Dave_Retired.
Thu Feb 03 2011, 01:49am

[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

8776

routemaster1
Sat Feb 20 2010, 11:31am

[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

6796

The Lyonator
Mon Dec 08 2008, 03:27pm

Forum Threads

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

139

hazboss
Thu Aug 16 2018, 03:54am

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

3866

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

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

252

Waynethetech
Tue Aug 07 2018, 04:53pm

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

199

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

138

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

138

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

236

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

251

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

572

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

389

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

989

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

340

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

419

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

474

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

490

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

431

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

398

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

430

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

437

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

420

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

755

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

798

Arwing
Tue Jan 09 2018, 11:03am

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
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10251

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

701

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

790

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

976

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

828

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

2166

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

975

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

791

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

961

KenC
Thu Nov 16 2017, 04:09am

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

2754

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

1020

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

843

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

928

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

804

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

766

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
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3370

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

866

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

2597

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

922

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

884

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

1136

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

1319

wingnut
Mon Sep 04 2017, 04:25pm

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

5589

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

1061

wozza
Thu Aug 24 2017, 02:33pm

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
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17343

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

852

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

999

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

1202

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

15421

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

1303

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

1340

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

988

C4 2007 HDI. AIR CON PROBLEMS Had my c4 regassed 2 days ago.Used the car day later, now blowing warm air.Controls not been altered[more ...] By grantie2265 On Sun Jul 09 2017, 04:38am

1170

riven1962
Tue Jul 11 2017, 02:23am

Front bumper to car inside wiring HiI have successfully installed Rear bumper parking sensors. Now I would like to have the same done [more ...] By xbot On Sat Jul 08 2017, 12:12pm

1074

wozza
Sun Jul 09 2017, 10:32pm

C4 Hatch stop start 62 plate engine fault flashes up when car starts Hi hope someone can come up with an answer, everytime I start the car it beeps and flashes up on the[more ...] By wizzpot On Mon Jul 03 2017, 03:22pm

None

1098

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
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30067

novawaves
Wed Jun 28 2017, 12:31am

C4 VTS Coupe, AFIL system communication problem Hi,I have a problem with AFIL system. It's been working fine and now I have fault code, something li[more ...] By lechu1777 On Wed Jun 21 2017, 11:34am

1170

wozza
Wed Jun 21 2017, 05:56pm

Loss of coolant HelloMy C4 1.6 HDi has been losing coolant. The mechanics told me it's the oil cooling radiator. I c[more ...] By brianw On Thu Jun 15 2017, 04:41am

None

1156

Radiator fan not running Hi,I know this is similar to other threads about the radiator fan not running, but it is the hottest[more ...] By HansZarkov On Mon May 29 2017, 03:37pm

1549

rusky
Tue Jun 06 2017, 04:38pm

C4 VTS clutch vibration I have a 2006 C4 180 VTS (2.0 16v) which I am told is the normal clutch, not a DMF. I have a receipt[more ...] By fish6634 On Fri May 26 2017, 09:35am

1461

Ham
Mon May 29 2017, 10:05am

Lexia diagnostic fault message Hi, just run a Lexia diagnostic, and it reports the following fault:'Ecu EDC16C34_DV4 fitted to 9HX'[more ...] By HansZarkov On Fri Apr 28 2017, 02:58pm

1489

HansZarkov
Tue May 23 2017, 02:08pm

Question about Lexia 3 cables on ebay Hello all, I just got myself a 2007 1.6 Hdi hatch. I want to add an auxiliary port to the stereo and[more ...] By Nicholas_yiu On Tue May 23 2017, 11:23am

None

1090

C4 2006 DMF? Hi allCan anyone tell me if my 2006 VTS has a dual mass flywheel? Just dreading it having one in cas[more ...] By fish6634 On Sat May 06 2017, 03:50am

1548

BigJohnD
Mon May 15 2017, 12:18pm

C4 1.6 petrol 2007 cambelt snapped - 'economy mode active' The timing belt snapped on a Citroen C4 2007 1.6 petrol automatic and subsequently went into economy[more ...] By lloydthomas On Sat May 06 2017, 04:33pm

1515

lloydthomas
Sun May 07 2017, 03:41am

C4 hatch 2011 MY coil springs problem My wife's car has been at the local garage (not main dealer but trusted garage) since the weekend as[more ...] By cliver18 On Thu Apr 27 2017, 10:50am

1424

cliver18
Thu May 04 2017, 05:10am

C4 - Glove box removal I tried to remove the glove box in my C4 ( Make year 2009 ). To remove it, I removed the torx head s[more ...] By CitroenZX On Sat Apr 29 2017, 09:08am

1239

rusky
Sat Apr 29 2017, 10:12am

C4 VTS 2006 Hi all Just a quick question, does my 2006 VTS 180 have variable valve timing? Thanks By fish6634 On Fri Apr 28 2017, 03:43am

1182

wozza
Fri Apr 28 2017, 12:31pm

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