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Results 1 - 10 of 22 in FAQ

bullet Found in -What do those technical names / bits do?-
-- Question What is a Turbo? -- Answer Exhaust driven air charger. A turbo charger is a device powered by the pressure of the exhaust gasses. As i...
FAQ Posted on 25 April 2007 in What do those technical names / bits do? | Relevance: 6

bullet Found in -What Should I look out for?-
-- Question C4 2.0 HDi Turbo lacking power - what to check? -- Answer Hi all - just a recount of some of the problems I've had with my 2.0 HDI Coupe, ...
FAQ Posted on 04 August 2012 in What Should I look out for? | Relevance: 6

bullet Found in -What Should I look out for?-
... injectors can lead to sump oil contamination and Turbo run away and the 2.0 HDi's are the ones prone to it. Leaking injector seals should be replace...
FAQ Posted on 02 March 2009 in What Should I look out for? | Relevance: 4

bullet Found in -Maintenance Tips-
-- Question How to prevent injector seal failure and turbo failure on hdi engines. -- Answer I have been researching this as it seemed to be a common ...
FAQ Posted on 05 February 2014 in Maintenance Tips | Relevance: 4

bullet Found in -How Can I?-
-- Question Change the C4 1.6HDi Turbo / Exhaust Heat Shield -- Answer http://c4owners.org/images/c4/heat_shield/1.jpg The front securing lugs on t...
FAQ Posted on 18 February 2009 in How Can I? | Relevance: 4

bullet Found in -Known issues-
... at a special discounted price. Vacuum circuits Turbos, throttle flaps, EGR valves, air heat exchangers, swirl valves – some of the many actuators...
FAQ Posted on 03 December 2014 in Known issues | Relevance: 4

bullet Found in -Known issues-
-- Question C4 1.6 HDi Oil Changing and Turbo Failure -- Answer The commonest reason for the 1.6HDi turbos to fail is due to poor maintenance, and poo...
FAQ Posted on 04 May 2009 in Known issues | Relevance: 4

bullet Found in -What do those technical names / bits do?-
-- Question What is an Intercooler? -- Answer Air Cooler. When the compressed air comes out of the turbo charger the air is very hot and rarified wh...
FAQ Posted on 25 April 2007 in What do those technical names / bits do? | Relevance: 2

bullet Found in -What do those technical names / bits do?-
-- Question What is a Map Sensor? -- Answer What it does An electronic sensing element converts engine vacuum (or pressure for turbo/supercharged app...
FAQ Posted on 13 August 2009 in What do those technical names / bits do? | Relevance: 2

bullet Found in -What do those technical names / bits do?-
...ndows, body accessories and even many sensors and actuators all have their own individual mini-control unit. All the units, called ‘nodes’, commu...
FAQ Posted on 25 July 2008 in What do those technical names / bits do? | Relevance: 2

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Results 1 - 20 of 3432 in Forum

bullet As part of thread: 1.6 hdi 110 turbo actuator.
Hi Guys I've noticed recently that my actuator on the turbo doesn't appear to be in the closed position when engine is off. In closed position I ...
Posted by polestarboy on 14 October 2014 | Relevance: 3.6

bullet As part of thread: Turbo actuator leaking oil
Hi Guys. Having issues with my C4 1.6 HDI 90 bhp. There's an oil leak just under the turbo actuator. Dripping on the dpf. Turbo still working on and o...
Posted by Zee1234 on 02 May 2022 | Relevance: 3.6

bullet As part of thread: Oscillating vacuum at turbo actuator
Like i Sayed in the title , i have oscillating vacuum at turbo actuator , sometimes is 11 or 14 , 16 and 18 mm/hg all this with the engine hot at 80 d...
Posted by gucejr on 24 June 2022 | Relevance: 3.6

bullet As part of thread: HELP: Turbo actuator leaking oil
...ream (should there really be this much oil in the actuator), or indicative of a problem with the actuator itself? Sorry for my lack of knowledge, I'm ...
Posted by Belfast808 on 03 March 2020 | Relevance: 3

bullet As part of thread: C4 Turbo Conversion Kits - DP Engineering in the Netherlands
Enquired recently regarding a C4 Turbo Conversion Company: DP Engineering in the Netherlands email: info@dp-engineering.nl I quote... ...
Posted by JonM on 05 March 2010 | Relevance: 2.4

bullet As part of thread: 1.6HDi Turbo performance advice?
...range noise when I turned the engine off from the Turbo actuator. It made a loud whining noise whilst operating (as it powers up and down on shutdown)...
Posted by TableLeg on 02 June 2011 | Relevance: 2.4

bullet As part of thread: Picasso 1.6 HDI 2008 32k low power, but turbo spinning up OK? Help please
Hi there, I have a power problem that developed yesterday. Lost power, like a turbo gone, would gain speed up to cruising speed, but very slowly...
Posted by on 30 October 2011 | Relevance: 2.4

bullet As part of thread: Vacuum box melted resulted in no turbo.
...I understood) is connected to the actuator of the turbo's solenoid. This vacuum pressure is also involved with wastegate actuation? Anyway after ...
Posted by wired00 on 09 April 2013 | Relevance: 2.4

bullet As part of thread: Turbo Wastegate Shim?
I bought a new replacement turbo for my C4 2.0HDi (DW10BTED4) which I have delivered to my dealer to replace, but he mentioned about if I have shims f...
Posted by PPP7 on 08 January 2014 | Relevance: 2.4

bullet As part of thread: 2.0 HDi VTS Turbo issue?
...gine fault is doing my head in. I have a p2563 turbo position signal and a p0234 overboost fault. I have replaced all vacuum hoses, replaced t...
Posted by waxhead38 on 03 October 2014 | Relevance: 2.4

bullet As part of thread: C4 1.6HDi (92 hp ) ...turbo problems ????
...safe mode due to that problem. Now some times the turbo actuator won't open. I don't think is in safe mode ... in the past it would not rev above 2.50...
Posted by JonyGomes on 16 July 2015 | Relevance: 2.4

bullet As part of thread: Turbo Failure 1.6 HDi
My turbo has unfortunately failed and not sure why at present. Vehicle has completed 89000 miles now and since I have owned the vehicle at 78000 (purc...
Posted by nitropixie on 12 August 2015 | Relevance: 2.4

bullet As part of thread: 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 as I got 0 boost and code P2562 & P2408 ...
Posted by scalesy on 16 February 2016 | Relevance: 2.4

bullet As part of thread: 1.6HDi turbo boost - a simple but peculiar problem
...ols boost nor the vacuum operated actuator on the turbo itself. The fault was the vacuum hose. There is a tee near the vacuum pump that takes va...
Posted by KJM on 20 December 2016 | Relevance: 2.4

bullet As part of thread: Turbo overboost, 1.6Hdi (110)
I replaced my turbo core a while back and all went smoothly (although Diagbox always reported boost pressures roughly 200Mbar higher than the referenc...
Posted by Mervyn44 on 22 July 2017 | Relevance: 2.4

bullet As part of thread: 61 plate Grand Picasso 1.6 diesel new turbo calibration
...repair by the garage there was no output from the turbo. After much reading of error codes they eventually replaced the turbo. The car now runs withou...
Posted by Monzanut on 04 August 2018 | Relevance: 2.4

bullet As part of thread: Turbo actuator position sensor help
Hi all. I'm looking for some help with fitting the sensor. I've got a C4 coupe VTS HDi and live in Lancashire. I've got a basic know how on how to do ...
Posted by Brucey on 04 March 2019 | Relevance: 2.4

bullet As part of thread: Turbo to exhaust V-clamp smoke leak C4 2005 1.6HDi
...for the source and found out that it is where the turbo exhaust side is mounted to the rest of the exhaust. I am not sure if this could be linked to t...
Posted by Joply01 on 14 February 2020 | Relevance: 2.4

bullet As part of thread: Turbo copy position fault
Hi, I have noticed when running the live data in diagbox that my turbo position indicator is reading at 100% all the time and the turbo reference valu...
Posted by jonniwizz on 23 August 2021 | Relevance: 2.4

bullet As part of thread: C4 1.6 E-Hdi 2015 P0299 Turbo Underboost Fault
Have a 2015 Citroen C4 1.6 e-hdi with a turbo under boost fault. Car was parked up for a few months, went to run it and it was rough, Ran it for abo...
Posted by sandman1976 on 31 March 2023 | Relevance: 2.4

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Results 1 - 5 of 5 in Content

bullet How to change a C4 1.6 HDi Turbo / Exhaust Heat Shield 1723T3
...ere but it can but it can let hot air rise to the turbo and cause an annoying rattle (and diesels can be noisy enough.!) A replacement only cost ...
Posted on 18 February 2009 in C4 articles | Relevance: 1.8

bullet Considering Buying a New C4, C4 Picasso or DS4?
...h regular re calibration being required, plus the actuators leak/fail and can be expensive to repair so if your happy with a manual gearbox, don't be ...
Posted on 22 November 2012 in C4 content | Relevance: 0.6

bullet 50,000 miles plus in a C4 VTR+ 110 HDi Beline
...An finally, the engine. It's a dream. For a 1.6 turbo. it's really powerful. When the turbo's on song, it really powers away, and the steep climbs ...
Posted on 07 March 2009 in C4 Owners Model Reviews | Relevance: 0.6

bullet Tuning a Citroen C4 engine
...ngine up by 12 BHP to around 122 BHP For a Diesel turbo derivative you can expect bigger increases, around 35 BHP on a C4 1.6 HD1 110 or C4 2.0 HDi 1...
Posted on 05 February 2007 in C4 articles | Relevance: 0.6

bullet C4 1.6HDI VTR+ Long Term Road Test
A CITROËN C4 Users Personal Long Term Road Test How good and how reliable has it been? I bought my Silver 5 door CITROËN 1.6HDI 110hp C4 VT...
Posted on 27 September 2009 in C4 Owners Model Reviews | Relevance: 0.6

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Results 1 - 5 of 5 in Reviewer

bullet Found in review The Turbo Centre - Derby
Review Detail To put it simply, I couldn't be happier with the service I received from The Turbo Centre. I was left in a difficult situation when...
Posted 18 October 2012 - | Relevance: 3.5

bullet Found in review The Turbo Centre - Derby
Review Detail One of those places that goes by reputation rather than extravagant advertising! These guys are turbo gods! After taking my ca...
Posted 25 August 2009 - | Relevance: 3.5

bullet Found in review Alistair Fleming (Ayr)
...ooked in to get checked over and was diagnosed as turbo faulty! Took it to Citroen Birmingham while visiting family, they took one look at it and...
Posted 18 November 2010 - | Relevance: 2.5

bullet Found in review Marshall of Cambridge
...il leak on turbo housing I cant really see what I paid for only an oil change. I feel that the A service was exspensive and will not be returning
Posted 15 June 2008 - | Relevance: 2.5

bullet Found in review The Turbo Centre - Derby
Review Detail £141 total, (GPC4 1.6HDI) Including brake fluid change (which they always do apparently) 12.5k service family run business they no...
Posted 19 May 2010 - | Relevance: 1

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Results 1 - 10 of 52 in Downloads

bullet Drive Train - Restricted to: Premier Members | C4GP B78 - Removing - refitting _ Gear selection actuator.
C4GP B78 - Removing - refitting _ Gear selection actuator
Author: Citroen | Date added: 03 January 2015 | Relevance: 1.8

bullet Drive Train - Restricted to: Premier Members | C4GP B78 - Removing - refitting _ Electro-hydraulic unit (PILOTING actuator)
C4GP B78 - Removing - refitting _ Electro-hydraulic unit (PILOTING actuator)
Author: Citroen | Date added: 03 January 2015 | Relevance: 1.8

bullet Drive Train - Restricted to: Premier Members | C4GP B78 - Dismantling - re-assembly _ PILOTING actuator.
C4GP B78 - Dismantling - re-assembly _ PILOTING actuator.
Author: Citroen | Date added: 02 January 2015 | Relevance: 1.8

bullet Drive Train - Restricted to: Premier Members | C4GP B78 - Dismantling - re-assembly _ Piloting actuator electrovalves
C4GP B78 - Dismantling - re-assembly _ Piloting actuator electrovalves
Author: Citroen | Date added: 02 January 2015 | Relevance: 1.8

bullet Supply Restricted to: Premier Members | C4 - DS4 B78 1.6 HDi Removing - Refitting Turbo air cooler by-pass unit.
C4 - DS4 B78 1.6 HDi Removing - Refitting Turbo air cooler by-pass unit
Author: Citroen | Date added: 31 December 2014 | Relevance: 1.8

bullet Drive Train - Restricted to: Premier Members | C4GP B78 - Dismantling - re-assembly _ Actuator electro-pump.
C4GP B78 - Dismantling - re-assembly _ Actuator electro-pump
Author: Citroen | Date added: 04 December 2014 | Relevance: 1.8

bullet Engines- Restricted To: Premier Members | C4GP B78 - Removing - refitting _ Turbocharger.
C4GP B78 - Removing - refitting _ Turbocharger.
Author: Citroen | Date added: 04 December 2014 | Relevance: 1.8

bullet Supply Restricted to: Premier Members | C4 DS4 (B7) Petrol THP 163 remove and refit turbo pressure regulation solenoid valve.
C4 DS4 (B7) Petrol THP 163 remove and refit turbo pressure regulation solenoid valve.pdf
Author: Citroen | Date added: 04 July 2014 | Relevance: 1.8

bullet Supply Restricted to: Premier Members | C4 DS4 (B7) 2.0 Petrol remove and refit turbo.
C4 DS4 (B7) 2.0 Petrol remove and refit turbo.pdf
Author: Citroen | Date added: 04 July 2014 | Relevance: 1.8

bullet Drive Train Restricted to: Premier Members | C4 DS4 B7 Remove and Refit Electro-hydraulic unit PILOTING actuator
C4 DS4 B78 Remove and Refit Electro-hydraulic unit PILOTING actuator.pdf
Author: Citroen | Date added: 03 July 2014 | Relevance: 1.8

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