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  OEM DPF not fit for purpose 20 Jun 2013 (Ask HJ)
  I have recently had the diesel particulate filter replaced on my 2008 Vauxhall Zafira, which has covered 50,000 miles. The DPF was diagnosed as being blocked...
• VW Passat B6, 2.0 CR TDI Bluemotion (110 PS) - CBDC engine code, no DPF? 30 Mar 2024 (Forum)
  Hi Everyone,   According to Wikipedia , the model coming with the engine does not have a DPF, it's only I4 DOHC 16V common rail turbo. To all the other diesel engines, DPF is written, here it isn't
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  Can DPF filters be removed or bypassed? 22 Aug 2010 (Ask HJ)
  In view of the problems with DPF filters is there any reason why they cannot be bypassed or disconnected? I appreciate that this would lead to a failure...
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  Should we use diesel additive in our engine to keep it in good condition? 30 Mar 2013 (Ask HJ)
  We are focusing on news regarding fuel additives for use in diesel engines. With diesel cars now over 50 per cent market share in the UK, and very significant...
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  Does the Mazda 3 suffer from DPF problems? 11 Jan 2015 (Ask HJ)
  Which DPF system is on 2013 Mazda 3 1.6 diesel and do you recommend buying one if doing 7000 miles a year?
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  Mitsubishi Outlander - does it suffer with DPF problems? 25 Mar 2014 (Ask HJ)
  Can you tell me if the 2007 Mitsubishi Outlander 2.0 diesel suffer with DPF problems?
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  Avoiding a DPF with an X-Type 3 May 2013 (Ask HJ)
  I like the X-Type but hate DPFs. Do any early X-Types come without them? I don't expect any estates are free from them.
• Any - DPF Forced Regenerations - How soon do they occur? 2 Mar 2013 (Forum)
  Amid all the talk about DPFs and the need to take cars in to dealerships etc for the regeneration process to be carried out I was left wondering how early these problems can arise, both time wise and mileage related in the life of the car. In other words has anyone with for example a 2011
• Diesel without dpf 29 Jun 2012 (Forum)
  I shall soon be looking at auction for a replacement car of about three years old. I don't specifically want to buy a diesel but most of the ex fleet cars at auction are diesels so I limit my choice if I avoid them. If I buy a deisel I wish to aviod the hassel of a dpf. I shall
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  Particulate particulars 1 Jun 2011 (Ask HJ)
  Please explain why Mazda 6 2.2L diesels do not have the same DPF problems as the Mazda 6 2.0L diesel (where the sump can fill up with diesel oil)?
• DPF regens and 'premium diesel' 19 Feb 2013 (Forum)
  Does anybody know if the continual use of one of the 'premium' diesel fuels decreases the frequency of DPF regens if compared with the standard brews?
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  Should I disconnect the DPF? 25 Jul 2022 (Ask HJ)
  What is your advice on disconnecting a DPF from a diesel car and running it without one?
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  Are engine revs raised during DPF regeneration? 30 Jul 2019 (Ask HJ)
  Are engine revs raised during DPF regeneration on a Nissan Qashqai?
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  The DPF light has come on in my Audi Q3 - is this caused by the emissions update? 10 Jan 2018 (Ask HJ)
  The DPF warning light has come on in my Audi Q3. It had the emissions update in March 2017. Audi have said that they will charge me £60 for diagnostics....
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  The DPF on my BMW 5 Series is blocked - can I add something to clean it? 2 Oct 2017 (Ask HJ)
  The DPF on my BMW 5 Series is blocked. Can I add something to clean it as I only do short journeys, or should I give the car a good run on the motorway?
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  Can a car dealer be held liable over a missing DPF? 24 Nov 2016 (Ask HJ)
  Can you clarify the situation regarding DPFs? What would happen if a used car was bought from a dealership and subsequently (after two years) found that...
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  Why does my Nissan Navara need a new DPF? 26 Oct 2016 (Ask HJ)
  I own a 2016 Nissan Navara, which needs a new DPF after just four months. This is my 4th Navara and never had issues before. There is no mention of the...
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  When did vans such as the Ford Transit and Toyota Hiace start using DPFs? 29 Aug 2010 (Ask HJ)
  If I am looking for a diesel Transit or Toyota Hiace, which year should I look for to find the latest model without a DPF? Does the Hyundai i800 have a...
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  Has Ford overcome the DPF problem by using an additive in its diesel engines? 23 Mar 2013 (Ask HJ)
  I have followed with interest your comments on DPF problems. I have not experienced these with my own 2009 Volkswagen 2.0-litre turbodiesel, although at...
• Skoda Octavia 2010 1.6 diesel - Removing DPF 28 Dec 2011 (Forum)
  gradually dropped. I was thinking of removing the DPF and turning off the pressure sensors etc. Anyone any experience of this, and the supply of a DPF "can" so I can refit the original if necessary. Would it still pass the MOT with the DPF removed?