Forums / Technical Questions - C4

Premier Membership * Great Discounts + * Personal Photo Gallery + * = Great Value [read more....]

C4 - DS4 Owners :: Forums :: Coupe and Hatch Pre 2011 cars :: Technical Questions
Technical Questions	Please Login with username OR Register to enjoy additional Member Benefits

	New posts		No new posts		Sticky		Announcement
	New posts [popular]		No new posts [popular]		Sticky/Closed		Closed thread

You cannot start new threads - You cannot post replies - You cannot edit your posts

Thread

Replies

Views

Latest Post

Important Threads

[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

6054

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

6414

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

7744

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

10001

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

7618

The Lyonator
Mon Dec 08 2008, 03:27pm

Forum Threads

Low boost.... 5 psi is all I'm getting.So quick question..How does it work. 1.6 HDI. Seems to be a turbo unit, and[more ...] By Flateric999 On Mon Apr 22 2019, 04:29am

None

C4 Hatch 2005 Electrical Hi all Wife has a 2005 1.6HDI C4, There is a problem with the headlight dip/main beam switch and wip[more ...] By SteveWalsh On Sat Apr 06 2019, 06:00am

SteveWalsh
Sat Apr 20 2019, 12:45pm

SMEG5 updates Hello all, Had my C4 Picasso on a (14 plate) for over a year now .I bought and installed sat nav up[more ...] By billboi On Thu Apr 04 2019, 11:22am

None

Weird problem with alternator belt and tensioner. Hi. Need some expertise opinion. Was driving along the highway. The alternator belt came off. When h[more ...] By SuperMajinBuu On Wed Apr 03 2019, 12:03pm

None

Undercar rattle when closing any door (and boot) I have recently noticed that when I close any door on my C4 that I hear a rattle which seems to be c[more ...] By cain93 On Mon Mar 11 2019, 06:19am

None

135

My C4 has started randomly "nudging" itself So I own 2006 5 door hatchback, 1.6 HDi, semi-automaticLately it has started kinda nudging itself on[more ...] By Madagar On Fri Feb 08 2019, 08:24am

344

Madagar
Sun Mar 10 2019, 11:07am

Rear brake discs - 2007 C4 1.6HDI Coupe Hi all,I need to replace the rear brake discs & wheel bearings on my Loeb Coupe. There are two t[more ...] By CaptainSlow On Tue Mar 05 2019, 05:17am

174

CaptainSlow
Tue Mar 05 2019, 01:00pm

Michelin Pilot Sport 4S My front tyres were mismatched when I bought my car so I decided to replace them with Michelin Pilot[more ...] By Keith On Sat Mar 02 2019, 11:15am

173

Keith
Sat Mar 02 2019, 01:16pm

New Owner a few teething issues - C4 2005 1.4 Coupe Hi allJust grabbed myself a bargain car, it's low spec I know but I love it.I've tried searching for[more ...] By RocLobsta On Thu Feb 07 2019, 02:23pm

263

Magistrate
Mon Feb 11 2019, 11:29pm

Side Light Flashing With Indicator Hi All, I wonder if you guys have any answers. My daughter has a C4 Picasso on a 08 plate with a pro[more ...] By trainspotter375 On Wed Jan 30 2019, 11:40am

None

249

C4 SX HDi automatic gearbox fault Hi AllAfter some advice! I have a 56 plate C4 SX HDi auto. Been told a support bearing in the gearb[more ...] By Tazmanfizbom On Fri Jan 25 2019, 08:58pm

306

BigJohnD
Sat Jan 26 2019, 05:53am

C4 Hatch tailgate wiring HI......... I am a new member with a 2005 5 door hatch. the car has some issues with the rear wiper[more ...] By K9Alfie On Thu Jul 12 2012, 08:14pm

6491

polszka
Tue Jan 22 2019, 01:41pm

TSB relating to fitting new spark plugs in Puretech engines I have read that Citroen issued a silent recall in July 2018 to fit new spark plugs to all Puretech [more ...] By Cylvabirch On Wed Jan 16 2019, 10:46am

309

gittos
Wed Jan 16 2019, 11:11am

Would 17 inch Citroen phoenix alloys be ok on a MK4 C4 1.6 90bhp vtr+ manual ? Hi would 17 inch Citroen phoenix alloys be ok on a MK4 C4 1.6 90bhp diesel vtr+ manual ?In terms of[more ...] By Rizwan On Thu Jan 10 2019, 08:33pm

320

Rizwan
Fri Jan 11 2019, 07:26pm

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 ]

21174

rusky
Mon Jan 07 2019, 12:45pm

Alternator regulator C4 2004 1.6 Has anyone changed the alternator regulator before ? Any pics or step by steps ? I'm guessing that [more ...] By maf On Thu Jan 03 2019, 11:19am

337

Coliliqui
Sat Jan 05 2019, 08:10am

Abs esp error Hi iv recently been getting abs and esp error. It's intermittent sometimes it happens couple of time[more ...] By Rizwan On Thu Jan 03 2019, 01:47am

424

Rizwan
Fri Jan 04 2019, 11:23am

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

1576

Rizwan
Thu Jan 03 2019, 01:49am

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 ]

36676

arsenije
Wed Dec 26 2018, 04:19am

Re LSD and gearbox options 1.6 HDi loeb I'm looking at buying a 1.6hdi loeb, main question is what gearbox options are there if i was lookin[more ...] By Talbotsteve On Tue Dec 25 2018, 04:01pm

None

371

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

397

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

377

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

389

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

539

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

534

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

1228

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

663

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

488

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

601

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

515

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

494

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

3522

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

553

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

633

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

830

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

682

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

931

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

4938

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

697

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

941

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

768

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

757

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

869

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

934

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

1470

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

1088

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

1623

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

947

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

1049

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

1185

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

1232

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

1086

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

1008

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

1095

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

1193

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

1063

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

1605

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

1628

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
Goto page: [ 1 2 ]

14641

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

1535

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

1537

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

1816

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

1566

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

3099

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

1939

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

1510

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

1840

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

3776

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

1806

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

1581

Go to page >>

Jump to forum: Back to top

1 user is browsing this forum at the moment (0 members, 1 guest)

	New posts		No new posts		Sticky		Announcement
	New posts [popular]		No new posts [popular]		Sticky/Closed		Closed thread

You cannot start new threads - You cannot post replies - You cannot edit your posts