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  Should I have the DPF removed from my Dacia Duster? 21 Sep 2013 (Ask HJ)
  I read your column with interest each week and you constantly reiterate the problems with DPF and short journeys. I recently purchased a Dacia Duster,...
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  Does my Volvo have a DPF? 11 Aug 2014 (Ask HJ)
  Does my 2004 Volvo V70 D5 automatic have a DPF?
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  Should I be worried about my car's DPF? 13 May 2014 (Ask HJ)
  I am becoming increasingly concerned about potential problems with my Ford Mondeo's DPF. My 2008 car is used on weekdays on a 12 mile commute. The route...
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  Does my Volkswagen have a DPF? 29 Oct 2013 (Ask HJ)
  I have recently moved from France to Guernsey and from reading your Daily Telegraph column am concerned about potential DPF problems due to low usage....
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  Dacia Duster - do they suffer DPF problems? 21 Oct 2013 (Ask HJ)
  My husband is thinking of buying a diesel Dacia Duster, but is hesitating because of the DPF - he is a mechanic so is aware of the problems they can cause....
• Audi/VW - Identifying a DPF Diesel 1 Jun 2016 (Forum)
  Been told that the way to spot whether a VW/Audi has a DPF fitted (around the changeover period of 2007) is to look at the tail pipe. Non DPF has a curved down pipe fitted as OE. DPF has a straight pipe fitted. Is this correct or is there any other way of finding out ?
• Modern diesels and DPFs 4 Feb 2019 (Forum)
  Someone told me that recent diesel cars - especially VAG ones - have no issues with the DPF, and you can happily do no longer journeys and the DPF will be fine. Is this true? 
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  Do I need to reset the ECU after having a new DPF fitted? 13 Aug 2017 (Ask HJ)
  The DPF on my 2010 Ford Mondeo TDCi burnt out, glowed red, smoked and then the exhaust dropped after 109,000 miles. No warning lights came up on dash....
• Audi A4 B7 - DPF 22 Apr 2013 (Forum)
  Got a4 2008 2.0 tdi and a dpf issue apperead. Got it regenerated but it did not last for long. I found this company
• Audi A4 B7 - DPF 30 Mar 2013 (Forum)
  Got a4 2008 2.0 tdi and a dpf issue apperead. Got it regenerated but it did not last for long. I found this company
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  Is a large increase in fuel consumption a sign of the DPF regenerating? 28 Apr 2017 (Ask HJ)
  My 2016 Toyota Yaris diesel fuel consumption meter indicates a large increase in consumption for about 25 minutes every 350-400 miles. Is this the DPF...
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  Does my Kia cee'd have a DPF fitted? 3 Apr 2014 (Ask HJ)
  I'd like to be 100% sure whether my Kia has a DPF or not. The details are: Kia Ceed Hatchback (07-12) 1.6 CRDi LS (113bhp) 5d Date of Registration:...
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  Audi A3 diesel - does it suffer DPF problems? 24 Mar 2014 (Ask HJ)
  I am looking at a new Audi A3 diesel, can you tell me if this car has any DPF problems? And is it ok for regular short trips?
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  Injector replacement linked to DPF problem? 5 Feb 2012 (Ask HJ)
  Just had 23H9 VW Passat injector recall done at Local VW dealer, after a couple of weeks and long distance runs DPF and engine management lights lit up....
• Deleting a DPF 2 Mar 2023 (Forum)
  Heard on the local grapevine that a local garage is offering a service to delete the DPF function from diesel cars for around £330. With genuine replacement DPF s costing around £2000, is this something worth considering?
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  Affect of diesel additives on DPF 11 Aug 2012 (Ask HJ)
  I purchased my second hand Audi A3 Sportback 2.0 TDi 170 in December 2009. Have had no problems with the DPF until last week. DPF totally clogged -...
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  Zafira diesel particulate filters 31 Dec 2011 (Ask HJ)
  I recently had to have a new DPF fitted to my Zafira 1.9cdti (120bhp). It has been on the car less than a month and now suddenly the car goes into limp...
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  How do you know if your DPF is regenerating while driving? 4 Apr 2017 (Ask HJ)
  How do you know if your DPF is regenerating while driving?
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  Can I remove the DPF from my BMW X3? 30 Jul 2013 (Ask HJ)
  I have recently replaced the DPF on my BMW X3, due to the car having a lack of power above 3000rpm. I assumed that the new DPF would fix things however...
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  I do mostly short journeys. Can I remove the DPF to stop it clogging? 10 May 2020 (Ask HJ)
  Is there any reason not to have the DPF on my car removed? I do a lot of short journeys. The garage would charge £600 + VAT.