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• Mazda 6 - Newest Mazda6 2.2D - DPF issues sorted??? 19 May 2012 (Forum)
  Hello All, I'm aware of the DPF issues the 2.0D Mazda6 (08 onwards) suffers from. However, does the newer 2.2D engine have the same complaint? Anything else to be aware of, or is the latest incarnation now a well sorted car? As always, i appreciate your opinions.
• Mazda 3 sports (185) 2009 - car computer not reset 17 Feb 2012 (Forum)
  Flashing DPF light on dashboard 13/02/12.  Mazda dealer diagnostic revealed no fault on DPF, light caused by their failure to reset car computer after service in July 2011.  Will this have had any adverse effect on the DPF/engine to date or cause any premature failings in the future?
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  Can a failed DPF regen cause oil contamination in the engine? 29 Nov 2016 (Ask HJ)
  My 2013 Mazda 6 diesel recently had a low oil pressure warning light come on. I stopped driving immediately and got towed to my Mazda dealer. They changed...
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  My high mileage diesel Hyundai i20 CRDi has developed a sluggish starting problem, is it time to get rid of it? 27 Feb 2017 (Ask HJ)
  My 2011 Hyundai i20 CRDi 90PS diesel has developed sluggish starting and oil splashed 3/4 way up the dipstick (checked after overnight standing). Coolant...
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  Congestion suggestion? 10 Sep 2011 (Ask HJ)
  I have been having a hell of a problem since April with a Skoda Fabia Estate diesel with a DPF, blatantly mis-sold to us and obviously "not fit for purpose"....
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  My Transit Custom has DPF issues but the garage can't find a fix, what can I do? 22 Dec 2023 (Ask HJ)
  I have a 2016 Transit Custom that is having repeated DPF issues. The garage clean the filter, and reset the code, but within 50 miles the van says the...
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  Mechanic says the oil level is high due to diesel in the oil sump from stopping DPF cycle. Is this possible? 20 Jul 2021 (Ask HJ)
  I've just had my Hyundai Tuscan serviced and, after 3000 miles checked, the oil level - which was about 2cm above the max line. I took it back to the garage...
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  Should I sell my 2007 Octavia Scout before the DPF fails? 23 Mar 2013 (Ask HJ)
  I bought a secondhand 2007 Octavia Scout TDI 1,968cc with 76,000 miles on the clock in May last year. It is my second diesel Octavia but the first with...
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  Had the emissions update and now the DPF is clogged. Can I get Volkswagen to fix it? 29 May 2020 (Ask HJ)
  I have a 2013 Volkswagen Beetle diesel. It went in for the emissions update but 12 months later, the DPF light came on. The car does very few miles per...
• DPF Filters - Just how bad are they? 14 Feb 2017 (Forum)
  I was just wondering whether I'm being too paranoid about having a 4WD with a DPF or are they actually as bad as they appear to be? My annual mileage will be around 11K and a good 90% of it will be short trips of maybe 20 miles or so. As in 10 miles each way. Obviously this is going to begin to clog up a DPF pretty quickly.
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  What's the average lifespan of a DPF? 26 Mar 2015 (Ask HJ)
  I have recently bought a four year old Volkswagen Touran 1.6 TDi with 17,000 miles on the clock and a full service history. The issue of DPF comes up...
• Mini Cooper D (59 plate PSA Engine) - Mini Cooper D - DPF issues.. s 17 Oct 2014 (Forum)
  Success.. This whole process took just under 1yr!!! 2. Two months later DPF light came on (regularly).. BMW performed a forced regeneration. I also noticed that when it came back from BMW the MPG had gone down considerably... 3. Two months later.. dpf light came on again (regularly).
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  Mazda 6 has DPF problem - should the dealer pay for the repairs? 12 Feb 2014 (Ask HJ)
  I bought a Mazda 6 (2006) from a used car garage in November 2013. Immediately after collecting the car there was a problem with it which, I brought to...
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  DPF ruining MPG? 7 Mar 2013 (Ask HJ)
  I've read and understand all your replies to the 'my car doesn't achieve what the official figures say', but I have had a shock on my recent change of...
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  I want a diesel car for my driving school without a DPF. What do you recommend? 3 Oct 2012 (Ask HJ)
  I am considering changing one of my driving school cars. Ideally, I would like to purchase a comfortable, quiet diesel car with a cam chain engine and...
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  Has Volvo initiated a software upgrade on the V50 R-Design diesel to assist with DPF regeneration? 10 Feb 2011 (Ask HJ)
  I apologise if I am boring you with this subject. I have been contacted by a local Volvo dealer who is aware that I am in the market for a new car and...
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  Are short journeys damaging the DPF in my SEAT Leon? 11 Jun 2010 (Ask HJ)
  I have a 57-plate SEAT Leon with a DPF filter fitted. I recently went to my local dealer as a warning light came on my dash. I left the car with them all...
• diesel cars - DPF and removing it my opinion 3 Oct 2013 (Forum)
  DPF and removing it I been reading threads on her about removing the dpf and how it’s against the law or illegal to do so.
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  My car produces clouds of white smoke during DPF regeneration - what's wrong? 11 May 2025 (Ask HJ)
  I'm really concerned and embarrassed with my 2012 Alfa Romeo Mito 1.3 JTDM producing clouds of white smoke during DPF regen. After removing the DPF and...
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  DPF problems with BMW 1 Series 11 Aug 2016 (Ask HJ)
  I have a 59 plate BMW 1 Series 118d. For the past few weeks the DPF light has been coming on after about 10 mins after driving. My local garage says the...