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Thread: Is this true?/Did you know?

  1. #1
    Regular Member installer's Avatar
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    Default Is this true?/Did you know?

    1.9 CDTi (mines a 150) should have the diesel particle filter replaced every 15000 miles.
    But that dosen`t fall into the general servicing schedule.


    The reason I`ve been told this,is mines been in dealer last 2 todays trying to work out why ECU light came on and stored " throttle response".
    Anyway they said could be one reason if filter is blocked,but was told that it clears itself once in a while - hence twice I`ve seen big puff of black smoke out the back.So contradiction there?
    In the end they`ve reprogrammed my ecu and did an update - of which when I asked if there was any updates available when it went in and was told - No
    The symptoms ( more for everyone this as general info ) of my car were - poor throttle response,you run out of accelerater pedal,chugging,labouring,seems to want to be in a lower gear even though you know it should be fine in the gear it`s in and generaly feeling slow.
    Had oil and filter done with engine flush the other week (know this has various views) and cleaner put through it and is miles better.Will see if it is really any bette rwhen wife brings it home later.

  2. #2
    Ex Vec-C Admin & Founder GARY3306's Avatar
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    Quote Originally Posted by installer
    1.9 CDTi (mines a 150) should have the diesel particle filter replaced every 15000 miles.
    But that dosen`t fall into the general servicing schedule.


    The reason I`ve been told this,is mines been in dealer last 2 todays trying to work out why ECU light came on and stored " throttle response".
    Anyway they said could be one reason if filter is blocked,but was told that it clears itself once in a while - hence twice I`ve seen big puff of black smoke out the back.So contradiction there?
    In the end they`ve reprogrammed my ecu and did an update - of which when I asked if there was any updates available when it went in and was told - No
    The symptoms ( more for everyone this as general info ) of my car were - poor throttle response,you run out of accelerater pedal,chugging,labouring,seems to want to be in a lower gear even though you know it should be fine in the gear it`s in and generaly feeling slow.
    Had oil and filter done with engine flush the other week (know this has various views) and cleaner put through it and is miles better.Will see if it is really any bette rwhen wife brings it home later.
    Don't know about the intervals for changing it, but they are supposed to be cleanable. As far as clearing themselves goes, they do do that but it is or should be an ongoing thing, it's called filter regeneration and is carried out in a few different ways by heating the filter up to burn off the captured crud (ie a heating element upline from the dpf, there are a couple of others but I don't know how they work). If this filter is blocked then it will cause those type of symptoms because the back pressure will be raised to unacceptable levels. Exhaust back pressure is crucial when a DPF is used and there is sometimes a way of monitoring this on the dash (probably just the engine management light in the Vecs). That is why they have system to carry out the regeneration as mentioned above. However, if it isn't maintained, then it will block up. For example, a Dyson hoover uses a filter, and they claim there is no loss of suction. B****X, I bet if you never ever emptied the dust bowl, it would pack in working properly. Same scenario with ANY filter.
    [SIGPIC]VX<font color=Red>R</font> with added Courtenay <img src=https://www.vectra-c.com/forum/images/smilies/biggrin.png border=0 alt= title=Big Grin class=inlineimg />

  3. #3
    Regular Member installer's Avatar
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    Quote Originally Posted by GARY3306
    As far as clearing themselves goes, they do do that but it is or should be an ongoing thing, it's called filter regeneration and is carried out in a few different ways by heating the filter up to burn off the captured crud (ie a heating element upline from the dpf, there are a couple of others but I don't know how they work).
    Thats what i thought,unless mine dosen`t want to clean it self - upto a month ago the type of journeys it did,didn`t allow it to get very warm.

  4. #4
    Regular Member Ian's Avatar
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    Default

    tis true with the dyson too - i didnt clean ours and it cut out. good clean and cool down and sucked the muck better than ever!

  5. #5
    Ex Vec-C Admin & Founder GARY3306's Avatar
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    Quote Originally Posted by Ian
    tis true with the dyson too - i didnt clean ours and it cut out. good clean and cool down and sucked the muck better than ever!
    You see!! I even fix your hoover too. Free no obligation quote given, no job too small......
    [SIGPIC]VX<font color=Red>R</font> with added Courtenay <img src=https://www.vectra-c.com/forum/images/smilies/biggrin.png border=0 alt= title=Big Grin class=inlineimg />

  6. #6
    Regular Member ion's Avatar
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    Default

    lol nice one Gary.

  7. #7
    Regular Member Ste's Avatar
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    Vehicle : Jaguar XF 3.0D V6

    Trim : Black

    Engine : 3.0D V6

    Year : 0000

    Default

    The way to do a full filter regeneration is to take the vehicle for a drive for around 20 - 30 minutes of high speed. This will generate the temperatures needed to remove all the carbon that has built up in the channels of the filter. If there is a oxidation catalyst before / on the filter element then you need about 350 Deg C to burn off the carbon deposits.

    This type of DPF has been around for a while now, but mainly on commercial vehicles.

    The company I work for deals with them, (amongst other things) so I could be called an expert on how they work etc.

  8. #8
    Regular Member The Doc's Avatar
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    Mine just have to have this done...... See my engine management light thread.

  9. #9
    Regular Member installer's Avatar
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    Quote Originally Posted by Ste
    The way to do a full filter regeneration is to take the vehicle for a drive for around 20 - 30 minutes of high speed.
    So you could put it like this --- go and rag the **** of it at least once a month

  10. #10
    Regular Member The Doc's Avatar
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    I do everyday!!!!!!

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