depollution system faulty?

Our Citroen C4 Grand Picasso keeps coming up that the depollution system faulty and then we lose power. Can anyone help with this? It's diesel. tia

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how to fix my citroen c4 electric handbrake?

dash handbrake switich not working. 13 plate Picasso. works automatic but not manual

how can i fix my citroen c4 coupe?

Hi there, the reversing light switch on my citroen c4 coupe 2005 is faulty and I don't know where it is located to change it myself. Can anyone give me advice please on how to find it and change i ... more

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how can i fix citroen c4 ?

warning light keeps coming on citroen C4 depolution system malfunction how can this be rectified

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2009 c4 fuse?

where and which is the right fuse for the windscreen washers on a C4 Citroen

intermittent electric windows ?

What could be there problem where the drivers electric window opens and closes intermittently when in one touch mode. Citroen Grand C4 Picasso.

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when and how should i refill the additive tank?

when and how should i refill the additive tank in citroen c4 hdi 2011

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How can I mend my tailgate lock Citroen C4 2006?

Lock stuck in closed position. Probably failure of electrical supply since components work when connected to a small battery. Is there a transformer in the circuit which is not working? Where is it?

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how can ifix my seatbelt on ac4 citroen picasso?

how do I replace my seat belt on a c4 citroen picasso

how to replace clutch release bearing of Citroen C4 2006 HDI ?

I want to replace clutch release bearing of my Citroen c4 2006 can any body please help It is a diesel engine

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citroen c4 picasso?

passenger side windscreen wiper after being switched on only moves to a vertical position then stops after a couple of sweeps , driver side works ok. After switching the ignition off and some time ... more

ware is the plip battery on citroen c4?

ware is the plip battery located on citroen c4

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how to reset c4 citroen service light?

how to reset citroen c4 vti 1.6 2010 service light

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Citroen C4 2012?

My quesstion is I'm having a towbar fitted and would like to know if the obsticle sensors will cause a problem. Thank you Bob

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black smoke ?

i have had a new patriculate filter fitted on my 07 citroen c4 grand picasso and i am still getting black smoke and the car snaches just before it smokes or when i or pull away fast, also depoluation ... more

head bolt torque for citroen c4 hdi 1600cc?

can you please tell me what the torque settings are for head bolts on my 2005 citreon 1600cc hdi c4

Anti pollution fault ?

My anti pollution light has just come on,I went to Citroen and they said try and go on a long trip to clear the system out but this did'nt work.citroen c4 coup'e 1.6 VTR petrol.thanks

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Hi I just bought a citroen c4 5 door hatchback 2005?

The glovebox suddenly would not open. I tried opening but then the handle broke off in my hand, I'm not sure what to do now and how to repair it, can someone please help? Thanks.

Citroen C4 AL4 Transmission Issue?

Hi All, My AL4 gearbox has been fine so far until last week, We had 2 very hot days and after a long hour of driving in traffic I finally got to my house leading road, it is a very sloppy and tough ... more

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citroen c4?

how to remove exterior door handle