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C4 The Garage
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C4 Electrical Problems - Preventative Maintenance  OK we all know that modern cars are subject to occasional electrical gremlins, the C4 range being no[more ...] By Dave_Retired.  On Mon Nov 16 2009, 03:53pm
5 37671 BigJohnD
Thu Mar 19 2015, 09:42am
Sticky Thread
[Sticky]
C4 Plastic cover lower windscreen seal  I posted this to an old thread, but just to sure it's noticed I thought I'd create a new one.I found[more ...] By neilp  On Sat Jul 18 2009, 04:40pm Goto page: [ 1 2 3 4 5 6 ]
88 180187 sanyikamobil
Mon Jun 03 2024, 03:36pm
Sticky Thread
[Sticky]
DPFS - Filter regeneration indicator  Because I couldn't find any information about it here, I've decided to share this information with y[more ...] By marek  On Tue May 24 2011, 03:45pm Goto page: [ 1 2 3 ]
33 85204 Nickbrown123
Sun Feb 11 2024, 07:43am
Sticky Thread
[Sticky]
C4 HDi What a dipstick!  The driver's manual says the dipstick has "FULL" and "FILL" markers, but where are they?I assume the[more ...] By BigJohnD  On Wed Aug 08 2007, 12:05pm Goto page: [ 1 2 3 4 5 ]
66 129151 Richard_C
Thu Feb 17 2022, 11:04am
Sticky Thread
[Sticky]
C4 1.6 HDi engine cover  Hi, I'm looking for a plastic engine cover for a Citroen C4 coupe VTR+ 1.6HDi. By matt_wood87  On Thu Oct 15 2009, 01:50pm Goto page: [ 1 2 ]
20 66856 vexorg
Wed May 12 2021, 09:09am
Sticky Thread
[Sticky]
C4 Remote locking key fob  My key fob fell apart at the weekend and when I went to the local dealer I was told the replacement [more ...] By neilp  On Tue Apr 07 2009, 04:06pm Goto page: [ 1 2 3 ]
43 101112 AAman
Wed Feb 06 2019, 09:43am
Sticky Thread
[Sticky]
STOP. Oil pressure too low C4 1.6 Petrol  Hello, I have a C4 coupe 1.6 petrol. This message came on today: "STOP Oil pressure too low".I have [more ...] By darryl1973  On Fri Mar 26 2010, 06:48pm Goto page: [ 1 2 3 ]
32 110133 wa822
Fri Jul 14 2017, 10:04pm
Sticky Thread
[Sticky]
Electronic immobiliser faulty (Resolved - faulty key)  Got up this morning and went to start my engine to go to work.The car wouldn't start. An error came [more ...] By smcnena  On Wed Jun 04 2008, 01:02pm Goto page: [ 1 2 ]
16 62901 Cristip1970
Tue May 02 2017, 03:13pm
Sticky Thread
[Sticky]
How to fit factory parking sensors system in Citroen C4   - Click Here -  By minotaurus1  On Thu Nov 01 2012, 08:30pm
7 48524 minotaurus1
Tue Feb 14 2017, 10:37pm
Sticky Thread
[Sticky]
ESP/ABS fault , Switch replacement guide.  Has anyone replaced the brake light switch, or did you get the dealer to repair?Cheers, Jamie By Ham  On Wed Jun 23 2010, 06:52pm Goto page: [ 1 2 3 ]
38 100044 Solfred
Sun Mar 29 2015, 04:35pm
Sticky Thread
[Sticky]
Tutorial : How to Fit After Market Parking Sensors (Basic eBay Kits)  Installing Parking Sensors on a Citroen C4 (Hatchback)I saw a nice guide for installing parking sens[more ...] By Mk3_Singh  On Wed Feb 13 2013, 09:55pm
12 33310 crapday
Sat Jun 28 2014, 09:47pm
Closed Sticky Thread
[Sticky]
C4 1.6 HDi clutch replacement  I been gone a while, I'm back. Couldn't find any useful info in the threads, so I decided to post th[more ...] By Zedd  On Fri Aug 10 2012, 12:10pm Goto page: [ 1 2 3 ]
44 114032 Dave_Retired.
Mon Feb 24 2014, 11:40am
Sticky Thread
[Sticky]
DPF removal/remapping (Depollution fault/EGR valve cleaning/change)  Anybody had their DPF filter removed/remapped?Would like to know peoples thoughts or experiences.Tha[more ...] By bigstan  On Tue Nov 29 2011, 02:03pm Goto page: [ 1 2 3 4 ]
53 115021 irsa
Sun Jan 06 2013, 10:10am
Closed Sticky Thread
[Sticky]
Tyre Pressure Monitoring Systems to be included in MoT from 2012  The latest commission directive, 2010/48/EU, states that from January 2012, any vehicle originally f[more ...] By Dave_Retired.  On Tue Apr 12 2011, 06:36am Goto page: [ 1 2 ]
17 54587 Dave_Retired.
Mon Aug 22 2011, 06:35am
Sticky Thread
[Sticky]
Basic Oil advice from oilman at Opie Oils  Basic Oil advice from Opie OilsWhen it comes to choosing oil for your car, this post may seem like g[more ...] By oilman  On Wed May 12 2010, 02:27pm
3 26610 AMO
Tue Feb 22 2011, 07:00am
 Forum Threads
Overheating  Help!I have a 2006 C4 1.6 HDI. Started to overheat in traffic… *RED STOP* flashes on dashboard. Aft[more ...] By Hoop  On Sun May 24 2026, 07:33am
None 734 -
Which spark plug brand were originally fitted to C4s from factory?  Hello all. Just a simple question really to help keep the replacements as close to originals without[more ...] By YouBoughtaCitroen  On Fri Jun 11 2021, 08:42am
3 13454 Nickbrown123
Wed Apr 22 2026, 09:39am
Gearbox fault message  Hi, am really hoping someone can help me with this. Have had an ongoing but intermittent problem wit[more ...] By Dave101  On Mon Oct 13 2025, 08:00pm
6 2063 Ap0qalypto
Mon Oct 20 2025, 07:33am
Jacking Point I use on Rear of my C4  I needed to chance my brake pads and all Youtube videos say to jack up the vehicle usings the factor[more ...] By JohnBiles  On Sun Sep 07 2025, 08:43am
None 2066 -
Battery remote control Failure  Hi guys, I was wondering if you could help me. I have a Citroen C4 grand Picasso executive 2008. And[more ...] By Madmax439  On Thu Sep 21 2023, 11:24am
3 5575 BigJohnD
Mon Sep 01 2025, 12:25pm
2014 C4 Grand Picasso steering under foot  This is a strange one. I have a 2014 c4 grand picasso. When I turn the steering wheel I can feel mov[more ...] By CitroenMaz  On Tue Mar 21 2023, 12:00am
3 6549 Nickbrown123
Tue Aug 19 2025, 07:29am
Anti roll bar bush bracket replacement  My mechanic has checked the clunking noise of my C4 Picasso (year 2016) and have advised that he nee[more ...] By ronyippc  On Thu Feb 29 2024, 08:04am
3 4763 Nickbrown123
Tue Aug 19 2025, 07:27am
2005 VTR+ Starting Problem  Hi all,I've seen bits and bobs around this site related to my issue, but the site is getting so big [more ...] By KeMiKaL GeNeRaL  On Fri Aug 30 2024, 12:38pm
7 3852 Ap0qalypto
Mon Sep 02 2024, 07:02pm
Citroen C4 VTS EW10J4S wiring diagram  Hello, I have '04 C4 Coupe with EW10J4S, and looking for wiring diagram. Sorry if there is another s[more ...] By Airwave  On Mon Aug 26 2024, 10:50am
None 3211 -
How to replace the Thermostat on 2.0 HDi  Ok was wondering if anyone can tell me where the thermostat is on the 2.0 HDi C4 engine? as if it is[more ...] By craig573  On Thu Nov 21 2013, 12:04pm
6 10889 Ap0qalypto
Wed Jul 10 2024, 07:21am
c4 2015 hatch front brake pads and discs replacement  Hi i know this will have been asked before but can someone tell me the exact tools required to do th[more ...] By ScottH  On Fri Feb 02 2024, 12:51pm
5 4709 BigJohnD
Mon Feb 19 2024, 04:42pm
CV Boot Clip Snapped  Whats best to replace this without taken it all apart, would a jubilee clip or a metal cable tie be [more ...] By ScottH  On Mon Feb 05 2024, 10:05am
None 4169 -
No New Posts on Popular Thread
Very wet driver's footwell  Right just a quickie...We had a chip in our windscreen, so we did the usual and had Autoglass come o[more ...] By BabyBearUK  On Sun Aug 09 2009, 09:56am
Goto page: [ 1 2 3 ]
33 38112 goffa
Tue Jan 30 2024, 08:01am
No New Posts on Popular Thread
C4 Cruise Control fault - again  Ok, aside from the intermittent "faulty gearbox" message (error code P167) I am now getting "faulty [more ...] By astonred  On Tue Sep 22 2009, 09:36pm
Goto page: [ 1 2 3 ]
33 58899 zcream
Wed Jan 03 2024, 05:51am
Fault code U0415 can anyone help me on this.  Fault code U0415 showing on the scanner that is giving EGS problems on C4 P 2010.Any explanation or [more ...] By eppingboy  On Sun May 05 2019, 09:12am
4 21630 mhv
Mon Jan 01 2024, 03:10pm
Error codes Citroen c4 hatchback 2005  P0704. - IntermittentP1671. - Cruise Control - IntermittentU2000. - Primary activat[more ...] By Swedess  On Thu Aug 17 2023, 12:44pm
8 6867 bimmer49
Tue Dec 26 2023, 05:16pm
Brake imbalance  60 plate 2hdi auto c4 pic.MOT fail, front imbalance over 50% showing offside.I've not really been o[more ...] By Suffolk  On Sun Dec 03 2023, 03:26pm
1 4668 vexorg
Mon Dec 04 2023, 09:59am
Electric problem  I have a 2010 C4 with an electric issue. The fuse for the cooling fan (control) burns out after abou[more ...] By shauntbh1  On Thu Sep 14 2023, 04:11pm
2 5466 shauntbh1
Fri Sep 15 2023, 06:15pm
Rear parking sensors  Rear parking sensors not working and the button/switch doesn't light up. I'm looking for the parking[more ...] By Dobby  On Tue Sep 12 2023, 03:12pm
None 4965 -
C4 Driver's seat stuck  I have something stuck in the seat rails preventing me from moving the drivers seat back and forwar[more ...] By charlescrystal  On Thu Apr 21 2011, 03:09pm
9 19738 dt-anglesey
Fri Jul 28 2023, 02:43pm
Coolant/Antifreeze  Hi, over the years i have owned several Citroens including 2x DS23, 2x CX, GS 1220 Saxo, 2CV, BX GT,[more ...] By m1ke  On Fri Jun 02 2023, 03:33pm
None 5810 -
Citroen c4 2006 front wing replacement  Hi, i have citroen c4 1.6 hdi 80kw 2006 manual. And im going to replace the front left wing due to i[more ...] By August42069  On Fri Mar 03 2023, 11:58am
None 6198 -
Semi auto c4  Hi all I have a c4 Picasso 1.6hdi 2015 semi automatic the problem is when I start the engine then se[more ...] By Bradnkaz  On Thu Mar 02 2023, 08:07pm
None 6103 -
C4GP 2007 Battery replaced. Not engaging starter. Beeps at roughly 1 second intervals  Car driving fine but next morning battery totally flat. Not aware of anything that might have draine[more ...] By traditionbearer  On Mon Jan 30 2023, 12:23pm
5 7261 Farmerguy
Mon Feb 06 2023, 08:22pm
flat spot, occasional back fire  I have a 08 c4 grand picasso 1.8. it has a flat spot and I had a reply on here that it may be the eg[more ...] By Bakedbybake  On Sat Dec 03 2022, 10:51am
None 6771 -
Adblue warning light  Hi all my farther in law has got a 2016 Grand Picasso mk2 1.6d the Adblue light came on few months a[more ...] By Bradnkaz  On Sun Oct 30 2022, 07:41pm
3 7565 Ap0qalypto
Sun Oct 30 2022, 08:58pm
door open warning sensor  Seen this problem reported a few times but not any definative answers. My wifes 2012 C4 is almost co[more ...] By Patrickhl  On Mon Oct 24 2022, 04:21pm
1 7605 vexorg
Tue Oct 25 2022, 08:44am
EW10J4S (180VTS engine) Oil Pan  Hello, what main differences in oil pans between EW10J4S and EW10J4, is it fits on EW10J4S from EW10[more ...] By Airwave  On Tue Oct 11 2022, 12:09pm
None 7234 -
Engine cooling fan  Whenever the aircon is turned on the radiator fan kicks in. Sometimes when its a cold start the fan [more ...] By timroberts55  On Mon Sep 12 2022, 11:20pm
None 7540 -
C4 Picasso Petrol 2.0 (EW10A) timing belt change question - installation order  So... I've decided to change the timing belt on my own. Not the first time for a timing belt, but th[more ...] By yagil  On Thu Jun 09 2022, 12:32pm
1 9738 Rajev
Sun Jul 03 2022, 07:36pm
2007 C4 by LOEB wing mirror issue  Hi I'm new to the group so apologies if this issue has been posted before (I did look but couldn't f[more ...] By Skip67  On Thu Jun 16 2022, 10:55am
None 8762 -
mpg / miles traveled displayed. 2009 C4 grand picasso executive  High guys my "mpg/m." and "miles covered " display is only visible when I depress the stalk, thi[more ...] By exclusive  On Fri May 20 2022, 12:46pm
None 9244 -
Wing mirror camera not working  Hi. I have a grand picasso 2014 exclusive blue, it came with the wing mirror cameras.Both cameras ha[more ...] By DonP  On Sat Dec 22 2018, 10:43am
1 14030 talmoshe
Sat Mar 12 2022, 09:18am
2011 c4 picasso vti 1.6 petrol RADIATOR TOP HOSE COLD  Hi, can anybody give me any idea as to why the top radiator hose should still be cold after 45mins o[more ...] By stevied  On Fri Feb 25 2022, 10:47pm
2 10559 routemaster1
Sat Feb 26 2022, 08:07am
Help a newbie...  I've just taken delivery of my 2010 C4 1.6 exclusive HDI EGS and I've spent the last hour or so figu[more ...] By Tonetheoldgit  On Thu Feb 17 2022, 07:24pm
2 10708 vexorg
Fri Feb 18 2022, 09:28am
C4 1.4 VTI ET3J4 oil consumption. suggestions  Hello,i have this oldie car, now around 200k miles (320000 Km). Stock engine never opened excpet for[more ...] By bebbo  On Mon Jan 24 2022, 07:22pm
None 11145 -
Citroen C4 l 1.6 Front left wheel speed sensor fault.  Hello,I have some struggle with an ABS wheel speed sensor, the old sensor has been replaced plus we [more ...] By citc4  On Mon Jan 03 2022, 05:58pm
4 12931 Ap0qalypto
Tue Jan 04 2022, 10:51am
Engine speed sensor?  Hi, took my car to Dealer 1, for Diagnostic, they found three faults.1) Engine speed sensor, not wor[more ...] By BernieRubble  On Sun Jul 03 2011, 10:45pm
9 41933 thecsm
Sat Jan 01 2022, 12:24am
C4 Petrol1.6 hatch issues with starting. fuel tank vacuum?  Hi we had issues starting awhile back, it got more and more difficult then I removed and put back th[more ...] By Hugo  On Sat Nov 20 2021, 09:35pm
None 11342 -
C4 picasso repaint AC control and central RT5 plastic  Few months ago, I was fed up with plastic around radio and AC controls on both sides. They were very[more ...] By Ap0qalypto  On Thu Nov 11 2021, 09:59am
None 11819 -
Door locking issue  I have a 2011 grand picasso C4, with the door locking issue is this caused by the driver's door lock[more ...] By Deansc4gp2011  On Tue Jul 27 2021, 08:25am
1 13037 vexorg
Tue Jul 27 2021, 10:07am
C4 one model of "Oil Catch Can" !  Here is quite simple "Oil Catch Can"!I have an picture, but I can't see box "the 'file to attach' be[more ...] By eju  On Tue Jul 06 2021, 05:05pm
1 13109 neilp
Tue Jul 06 2021, 05:42pm
Citroen C4 Grand pPcasso 2010 tailgate lock issue  Hi, can anyone tell how to close a boot door of my Citroen C4 Grand Picasso 2010. I opened it from i[more ...] By Nierka  On Thu Jun 24 2021, 04:59pm
None 12717 -
Maf sensor  Hi all I have a 2015 c4 picasso 1.6 hdi anybody know the voltages on the 4 pin plug on the maf senso[more ...] By Bradnkaz  On Wed May 19 2021, 07:31am
None 12875 -
C4 MK1 hatch o/s/r door lock  Morning. Does anybody know the part number for the o/s/r door mechanism. The door won't close anymor[more ...] By trucker8oy  On Sat Mar 13 2021, 10:27am
None 13231 -
DPF fluid  I have a 2007 Grand Picasso 1.6HDi. I have to say nothing but trouble with it and now I have a warni[more ...] By lionel399  On Mon Feb 08 2021, 06:37pm
2 13920 routemaster1
Mon Feb 08 2021, 07:54pm
Citroen C4 Grand Picasso petrol runs rough  I have a Citroen C4 Grand Picasso 2008 petrol, at the moment when I start my car it starts fine and [more ...] By Tinymartin  On Sat Jan 30 2021, 06:12pm
5 14627 gittos
Sun Jan 31 2021, 10:51pm
2009 Citroen C4 grand picasso exclusive passenger side wing mirror  Hi, guys, I wrote a thread on here relating to how to replace the whole mirror, due to the videos o[more ...] By exclusive  On Sun Jan 24 2021, 11:35am
None 13461 -
No New Posts on Popular Thread
Passenger door panel removal  2009 1600 DEISEL C4 GRAND PICASSO EXCLUSIVE, hi I need to fit a new mirror but the videos I ha[more ...] By exclusive  On Sun Jan 10 2021, 11:55am
Goto page: [ 1 2 ]
17 32672 exclusive
Mon Jan 18 2021, 10:13pm
Torque settings  Can anyone tell me the torque settings for the 10mm and 8mm nut/bolts on a 2012 1600 C4 Thermostat H[more ...] By Patrickhl  On Sat Jan 16 2021, 03:17pm
5 14917 vexorg
Mon Jan 18 2021, 03:33pm
06 Citroen C4 Starting Issues / Constant Self Resetting  Hi there everyone, I am coming to you guys in need of some desperate assistance.I have a 06 C4 1.6 P[more ...] By Kanaalaap  On Sun Jan 10 2021, 07:39am
None 13420 -
C4 2005 1.6hdi manual won't get in gear  Hello!!!! Happy new year I've got a bit of a strange one for you. It has been -3C today and when I[more ...] By trucker8oy  On Thu Jan 07 2021, 05:47pm
3 13904 vexorg
Sat Jan 09 2021, 12:30pm
heater not working  Hi All thanks for allowing me on this group. I have tried my best to find the definitive solution to[more ...] By Patrickhl  On Tue Dec 15 2020, 08:25am
None 13641 -
ABS/ESP warning after rear brake disc change  HI. I've changed rear discs on my C4 hatch (2005) and i instantly got a ABS/ESP warning lights. I've[more ...] By trucker8oy  On Mon Nov 09 2020, 05:01pm
4 15213 trucker8oy
Thu Nov 12 2020, 02:16pm
Brake caliper mount bolt  Hi all. I need two brake caliper mount bolts T50 as I'm changing rear discs on C4 and the [%*^#@!] t[more ...] By trucker8oy  On Fri Oct 30 2020, 02:10pm
6 15198 trucker8oy
Mon Nov 02 2020, 05:10pm
nM torque question  Hi all. I will be changing rear discs on my C4 2005 hatch and I've seen on here that to tighten the [more ...] By trucker8oy  On Thu Oct 22 2020, 02:45pm
4 14326 vexorg
Fri Oct 23 2020, 09:34am
CITROËN C4 I (LC_) 1.6 16V parts diag  I have a CITROËN C4 I (LC_) 1.6 16V 2008 model. I hit a deer a week ago, 7 kms from home! - after an[more ...] By Pfeiffer  On Thu Oct 15 2020, 05:06pm
5 14777 Pfeiffer
Mon Oct 19 2020, 06:48pm
starts after two minutes, cannot read error message  Hello, I have a 2004 Picasso with a dodgy display. It won't start unless I turn it on and off for tw[more ...] By GillianLefrancois  On Thu Sep 10 2020, 07:00pm
5 14496 BigJohnD
Fri Sep 11 2020, 07:47pm
C4 coupe VTR+ 2008 (58 plate) brake pad and disc sizes?  Hi,I’m need to find out the brake disc and pad sizes required for a 2008 Citroen C4 coupe VTR+ origi[more ...] By airct  On Tue Jul 21 2020, 08:07am
3 14593 BigJohnD
Tue Jul 21 2020, 12:49pm
C4 Grand Picasso, Semi auto Actuator +ECU  Hi Guys, information needed, My 2010 C4 Grand Picasso has developed a problem. Start the car in Neut[more ...] By bootneck  On Tue Jun 23 2020, 07:31am
1 15059 GPGeorge
Sat Jun 27 2020, 05:34pm
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