DPF Hell Van On Finance
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martin_wilson wrote: »Thanks all food for thought I have just taken it on a run down the motorway (sorry its a vivaro by the way 2014 ) I did it twice as my dash warning light says check emissions so in all I have covered 78 miles and it still has warning light, although at one point it changed to STOP injection fault. Is it me am I missing the point? when I grafted my nuts off to buy a van I just expected it to run ok and am now told I need to go for a drive down the motorway every few weeks.
So in modern diesels (these have been around for nearly 20 years now, initially on a few vehicles, but almost all built within the last decade - how old was your last van?), they trap those particulates. Then, when the exhaust is really, REALLY hot, a bit more fuel is injected in to start them burning cleanly. The end result is no particulates, and better health for all those in urban environments.
Pootling around towns does not get the exhaust hot enough. Short journeys do not get the exhaust hot enough. Hard work is what gets it hot - not necessarily just sustained lowish-load at a reasonable cruise speed. That's actually fairly unlikely to get it hot, not least because of the extra airflow. You're a builder - do you never drag a heavy trailer around, van loaded to the gunwales and on the bumpstops...? THAT's how to get an exhaust hot...honestly used quite a lot of diesel today driving down the motorway...not to mention having to take all the materials off my van roof and check tyre pressures0 -
Thanks for your comments I will take them on board, I have had several diesel vans starting with an escort van then a Nissan urvan then a transporter then a Vauxhall astravan I have never had a problem with any of them. As a builder that is constantly "pootling" around town I do secure my roof items well enough and always drive carefully however these items are best removed from the vehicle before hurtling down the motorway at 70mph. I appreciate the fumes are bad for health and would prefer to do LESS miles in my van rather than more hence the frustration. Not sure what you mean about the overfuelling? Thanks again.0
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Oh and I do check tyre pressures regularly but I did it again just to be sure0
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Just so we are on the same page I wasn't comparing diesel usage around town to motorway use I realise it will use more diesel pootling than motorway its all about the ADDITIONAL mileage that's concerning me.0
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By overfuelling, I mean that something's not happy with the van, causing it to put too much fuel in. This'd use more fuel, and create too much particulate.
The garage have forced regeneration, but have they done a full range of diagnostics (and I don't just mean reading any fault codes)? Is this a Vx dealer, a technically competent indie, or just a second-hand-van sales place?
BTW - "Hurtling"? 70 in a modern van? Let's leave the melodrama out. It helps nobody.0 -
Evans Halshaw im not sure which category they fall into.0
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Vx dealer, but I leave "competent" as an exercise for the reader...
I'd be looking for a well-reputed diesel or Bosch specialist.0 -
Ha says the ONE who DOES the CAPITALS to add THE MELODRAMA
Thank you anyway for feedback will give it a go.0 -
martin_wilson wrote: »Thanks all food for thought I have just taken it on a run down the motorway (sorry its a vivaro by the way 2014 ) I did it twice as my dash warning light says check emissions so in all I have covered 78 miles and it still has warning light, although at one point it changed to STOP injection fault. Is it me am I missing the point? when I grafted my nuts off to buy a van I just expected it to run ok and am now told I need to go for a drive down the motorway every few weeks. I work on my own and work for every penny, honestly used quite a lot of diesel today driving down the motorway in icy conditions not to mention having to take all the materials off my van roof and check tyre pressures, really don't see how I can afford to do this every few weeks, plus hasn't worked.
Trust me on this - if its as clogged as you are being told, no amount of driving it about it going to allow it to clear itself now. Its longsince past that.
You need to find a professional DPF cleaning company, get it taken off and cleaned out. Not a diesel specialist, not a Bosch injector specialist, but a DPF cleaning specialist.
Once you've done that you'll need to give it regular long runs to help keep it clear.0 -
And something to bear in mind - now your DPF is blocked its putting extra pressure on the turbo, EGR valve etc, so continuing to drive it as it could do it significant harm.0
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