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• Volvo S90 - Oil dilution/DPF 23 Jul 2023 (Forum)
  in South West London/ Surrey.  The car has done 10 k miles since purchased and has 6 months of warranty remaining.  The first issue was reported within 30 days.  Prior to this my friend drove over 500k miles on two Mercedes E Class Diesels with no DPF issues. Thanks for any advice
• Any - Seeking reliable modern-ish diesel 3 Apr 2013 (Forum)
  looking for a diesel without DPF, and ideally with a chain cam drive and no DMF.  Something with reasonable grunt to replace the Leon which had 150hp standard and 175 after remapping. Is there any modern-ish diesel out there which doesn't have the DPF/DMF/cambelt hassles AND has proven
• Any - Clarifying "issues with modern diesels" 8 Feb 2012 (Forum)
  There are always a lot of posts on here about the issues with modern diesels... Since i'm looking at a nearly new Diesel myself, I wanted to clarify these issues. Is it just the problem of the car not doing a long / fast enough journey to get hot enough to regenerate the DPF
• Ford Focus II (2004 - 2007) - 06 2.0 Diesel DPF and driving modern diesels 16 Jan 2010 (Forum)
  or 320 D but too expensive for my cash purchase. I only do about 15k/annum and I think I may be better off with Petrol. Do they/the car tell you when you NEED to regenerate the DPF, or do you need a regular Italian tune up, which defeats the purpose somewhat. I was thinking that diesel cars need some
• Mazda 5 2.0 diesel Sport Nav 71K miles - DPF regen exhaust gone funny 31 Oct 2010 (Forum)
  Converter, however they did offer to try a new solution which has come onto the market apparently which is 95% effective (didnt ask what it was called) in these situations and if it worked it would avoid me shelling out a shed load on a new cat converter / dpf filter,  suffice to say it appears to have
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  The DPF in my Mazda 6 has failed - should the dealer replace it? 5 Sep 2010 (Ask HJ)
  I bought a secondhand 2007 Mazda 6 estate with 62000 miles clocked, so it's out of warranty but under three years old, from a very small dealer - they...
• Mazda 6 SL 2008+ - Mazda 6 Handbook - Should be amended/revised 16 Mar 2010 (Forum)
  Hey all, glad to see honest john is back on it's feet! I need to ask the question of whom thinks the handbook should be changed for the following reason. DPF - I am sure a lot of you know of the problems the DPF system has caused us all? Does it mention anywhere
• MINI Cooper D - Mini CooperD DPF fault light - needing urgent help 2 Jun 2017 (Forum)
  the DPF fault light come on, yikes! I've done a bit of reading on this and understand that this pug engine in the 07 Mini should activate an auto-regen. Despite that I know this engine on fords/Peugeot's requires a manual regen, so gave her a good spanking yesterday which initially seemed
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  Buying a small 4x4 with a small engine. 20 Jan 2013 (Ask HJ)
  What options in the way of a 4X4 with a 1600cc or less engine are there? Petrol preferably, or no DPF. Offroading will be only on the ranges at Bisley....
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  Of particulate interest 9 May 2009 (Ask HJ)
  I am sure that you are aware of he problem that exists with the DPF on diesel Zafiras. The Zafira in question (Elite 150 bhp) was bought brand new in May...
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  Kia Ceed diesel - cam belt or chain? 30 Aug 2022 (Ask HJ)
  Does my 2017 Kia Ceed diesel have a timing chain? Does it use additives to keep the soot particulates down? Does it need regular longer runs to keep any...
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  Should I use ordinary diesel or super diesel? 1 Feb 2021 (Ask HJ)
  I have a 2012 V70 2.0-litre diesel with just over 70,000 miles. It's extremely quiet and comfortable with no rattles, knocks or squeaks and I fill up 2...
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  Do older diesels do better with low mileage use? 4 Jul 2020 (Ask HJ)
  I know that modern diesels don't take kindly to low mileage usage but wondered whether earlier diesels weren't so intolerant (pre-Euro4). Most of the cars...
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  My son's newly bought Mazda CX-5 cut out and the engine management light is on - what's wrong with it? 3 Jul 2018 (Ask HJ)
  My son purchased a 2014 Mazda CX-5 2.2d with 27,000 miles on from a Mazda dealer. It cut out at a roundabout and would not start and the Engine Management...
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  I do 15,000 miles per year - should I go for petrol or diesel? 10 Nov 2017 (Ask HJ)
  I do 15,000 miles per year and almost never do less than 30-mile round trips. I would like a diesel but think I'm on the cusp mileage wise. What do you...
• Yaris Diesel - Toyota again!! 1 Oct 2017 (Forum)
  Once again my 62 plate car is in the Toyota garage. They are currently going through a 60 page bulletin manual .  Back story. Since having it serviced a year ago last may and again this May  I've had nothing but trouble with the Dpf. This year I took it to Toyota for its service
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  Is the Honda CR-V susceptible to DPF problems? 18 Nov 2016 (Ask HJ)
  I am retired and need a car with a high seating position. I want to buy a diesel Honda CR-V, but only do 7000 miles a year. Would a diesel give me DPF...
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  Buying a used hatchback - Honda Civic or Mazda 3? 28 Jun 2016 (Ask HJ)
  My ford fiesta has just died and I need to replace it with a used car. I like the Mazda 3 2.2D and the Honda Civic 2.2 CDTI. I have read that the Mazda...
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  KIA Carens making a squeaking noise - what is it? 6 Jun 2016 (Ask HJ)
  My 2014 KIA Carens has covered 16,000 miles and started emitting a squeaking noise from the underside rear whenever the engine is worked hard. This happens...
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  Buying a used Ford Focus - petrol or diesel? 12 Jan 2016 (Ask HJ)
  I want to buy a 2009 Ford Focus Zetec S and I have found two models of similar spec and price. One is a 1.8 petrol the other a 1.8 diesel. I have read...