C5 Brains Trust - Particulate filter system or not
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Thread: C5 Brains Trust - Particulate filter system or not

  1. #1
    Fellow Frogger! BallinaOB's Avatar
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    Default C5 Brains Trust - Particulate filter system or not

    Just wondering if the C5 brains trust can help me with this query. Have my 2004 C5 Estate 2.0 HDI in for a few service jobs with an independent French car specialist in Sydney. I asked them to check the Eolys fluid level. They got back to me and said not to worry my C5 does not have an Eolys system.
    Research has informed me that not all diesel models came with this system. But I still have a few questions.
    1. Does this mean the car would not have a Particulate Filter?
    2. What would be the best fuel additive to help clean the catalytic converter?


    Thanks

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    Anthony O'Brien
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    Thank God for my Hydroen harrisson_citroen's Avatar
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    I've never used additives in any of my C5 -2002 wagon, 2007 sedan, 2008 tourer. But have always used BP ultimate diesel, and Total Quartz ineo for engine oil. Thats pretty much all you need, quality diesel and quality oil.
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    I know more about Pug 307s - the engines with particle filters (& Eolys additive) were not introduced until 2005 (just before face-lift). From memory, Australian diesel had to be improved before the new engines were introduced, and this happened around 05-06.

    In fact we received free fuel cards (with about $150 credit I think - or maybe more) from Caltex in 2006 because they were late getting the higher spec fuel to the servos. I don't think that situation was handled very well - apparently we weren't supposed to use Caltex diesel when we first got the car, but no-one ever told us which brands we should and should not use, and what the consequences would be...

    So I assume that Citroen would have been following the same timetable, and the higher spec engines would not have been sold in Oz before 2005.

    I've never heard of a cat-cleaning additive - I would have said it's more to do with what you take out! Harrison is pretty much on the money - use a low SAPS (low ash) oil like the Total Quartz Ineo, or Mobil 1 ESP 5w30 (are the earlier engines happy with 5W30? Might be another question...) and you minimize the stuff that might clog the cat.

    Cheers

    Alec

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    1000+ Posts Ken W's Avatar
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    Anthony,

    I think your 2004 C5 HDi will have a DW10ATED engine fitted - check if it has an RHZ in the VIN. I think that the particulate filter that needs the Eolys fluid were only introduced with the next engine, the DW10BTED4 or RHR engine that was fitted to the Series II C5 and early C5X7 models. So your 2008 C5 will certainly have one.

    I think the car monitors the Eolys fluid level and gives a warning when it is low. So I am waiting for my low alarm to activate before have to learn about the refilling or replacement exercise that will be required.

    Cheers, Ken

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    Tadpole
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    I would say it doesn't have a DPF only the 2.2HDI's had the DPF and I don't think they were sold in Australia

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    I'd suggest that catalytic converter cleaning products are largely "huile de serpent". Even at $1500 for a genuine converter every ten years, that's only 41Ę per day if you consider its replacement cost as being spread over the period prior.

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    Fellow Frogger! BallinaOB's Avatar
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    Thanks for the replies and information. I now have a better understanding of the exhaust anti -pollution system on this particular car. I have not used additives in the past as I do always fuel up with BP diesel.
    Just thinking ahead, as this car has just started blowing black smoke on acceleration, especially up a steeper hill. This coincides funny enough with the local BP garage getting in the 'new' BP ultimate diesel. Thought it may have been the EGR valve, as I have been getting P0400, P0401 and P0402 codes since just before christmas. This was one of the reasons I took it to a French car specialist. The mechanic there said he had fixed the EGR faults by replacing a split hose.
    They took it for a road test on Friday but apparently came back saying just how much black smoke it was blowing. Thus the car was not ready for me to pick up on Saturday and is staying down in Sydney for at least another week while they look into it.
    My local mechanic has been putting Penrith HPRDiesel 10 into this car, last oil change was in January (5143 Kms). Not sure what the Sydney specialist has put in.
    Anthony O'Brien
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    Contented Peugeot Driver addo's Avatar
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    A modern car cannot have such a marginal engine control system that this (fuel) is your principal cause.

    One controversial approach is an EGR delete, cat delete with reflashing of the ECU. Legality is questionable and I believe it would be imprudent to publicly detail any successes if you explored this route - too much risk of a snitch.

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    Fellow Frogger
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    It has no FAP. For Citroen, it arrived with the 2.2HDi in 2005.

    There is no direct measurement of soot loading or additive levels, except for differential pressure sensors. The soot loading is inferred from how the car has been driven and a regeneration happens when the ECU decides it needs to be done, assuming the driving conditions are correct. The initial fill of additive has to be entered when the tank is first filled. The C5 has a tank and the C4/Picasso a bag. As the fluids are now different, trying to refill a bag using a C5/C6 refill kit will end up with the wrong additive being used.

    In the earlier 2.0HDi C5, you can end up with loss of power and sooty exhaust if the vacuum system is not up to scratch and the EGR is not working correctly. The air hoses can also split and then you lose some boost, so it adds more fuel = more soot.

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    Icon1 Oils

    Quote Originally Posted by BallinaOB View Post
    Thanks for the replies and information. I now have a better understanding of the exhaust anti -pollution system on this particular car. I have not used additives in the past as I do always fuel up with BP diesel.
    Just thinking ahead, as this car has just started blowing black smoke on acceleration, especially up a steeper hill. This coincides funny enough with the local BP garage getting in the 'new' BP ultimate diesel. Thought it may have been the EGR valve, as I have been getting P0400, P0401 and P0402 codes since just before christmas. This was one of the reasons I took it to a French car specialist. The mechanic there said he had fixed the EGR faults by replacing a split hose.
    They took it for a road test on Friday but apparently came back saying just how much black smoke it was blowing. Thus the car was not ready for me to pick up on Saturday and is staying down in Sydney for at least another week while they look into it.
    My local mechanic has been putting Penrith HPRDiesel 10 into this car, last oil change was in January (5143 Kms). Not sure what the Sydney specialist has put in.
    Penrite make great oils but not sure HPR 10 is the best product for your car. I would be using Enviro+ 5W-30 try http://www.datateck.com.au/lube/penriteaus

    So far as additives go the one product I have found that works is Cataclean.

    I have heard of filling blocked DPFs with spray and wipe or citrus cleaner and pressure cleaning it may very well work but I can't endorse this course of action.

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    Cataclean is a mix of solvents, rubbing alcohol, xylene and acetone, carried in distillate. Are you sure that actually cleans a converter?



    PS Do Citroens deserve a few squeezed lemons? http://www.nature.com/news/2005/0504...050425-10.html
    Last edited by seasink; 5th June 2016 at 05:48 PM.

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    I'm sure it would clean the outsides nicely if you applied with with a microfiber cloth and buffed well.

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    Fellow Frogger! BallinaOB's Avatar
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    Update:

    I have the car back and it is running like a dream. The black smoke problem was down to a split in the intake pipe at the intercooler - made worse after the EGR valve started to function as it should when its' split vacuum hose was replaced. Rubber will only last for so long. 243 000 kms is long enough.
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    Anthony O'Brien
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