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  Fumes in cabin and smoke from exhaust 14 Apr 2012 (Ask HJ)
  I have a 06 Vauxhall Zafira 1.9 CDTi 150. We have just had the DPF filter replaced and now EGR valve replaced. The car now intermitently pours out smoke...
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  Agriculture and Fisheries 19 Sep 2011 (Ask HJ)
  I have run a Hyundai Coupe for the last two years. It has been a good car, well specified, tough and comfortable on long journeys. Age now dictates something...
• Suzuki Grand Vitara - Grand Vitara 1.9ddis buying advice - dpf concerns 15 Aug 2011 (Forum)
  at one locally but the only concern i have is that the internet is rife with tales of DPF issues with the renault engine. The car will be used primarily by my wife for commuting 10 miles each way to work on a mixture of village and 40 -60mph bypasses and the expected fuel saving against the focus we
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  Buying a new SUV 25 Apr 2011 (Ask HJ)
  I've had a VW Sharan for 10 years and it's regularly starting to breakdown, so it's time for a new one. The kids are getting older so there is no need...
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  Can you explain how a diesel particulate filter works? 15 Feb 2011 (Ask HJ)
  Can you give us any information on where I can find a proper explanation of the function and potential limitations of a diesel particulate filter?
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  My Vauxhall Combo van has had ongoing DPF problems but is now out of warranty. Must I now pay for repairs? 5 Jun 2010 (Ask HJ)
  I bought a 2007 Vauxhall Combo van from a dealer in June 2007. Two weeks later it was towed back to them as it had the engine management light on and had...
• Farewell chug a chug Diesels - you served us well. 13 Aug 2009 (Forum)
  wheels. Pity about the smoke. That said. Where did the era start to end? DPF seems like the final knock on the head for the true general purpose diesel - but before that. Rubber bonded flywheels, `electronics` on the fuel system, sensors, cats, EGR.. Some well known ruster manufacturers didn`t help
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  Mazda sicks 3 Oct 2009 (Ask HJ)
  I bought my 2006 Mazda 6 2.0 diesel SAKATA in November 2007. For the first 3 months the car was fine no problems. Thereafter, I’ve had the same problems...
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  What's the best van to use for courier work? 22 Jun 2018 (Ask HJ)
  Can you advise me what van would serve me better as a courier and what would be the best way to finance it?
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  Which SUV will suit me? 16 Nov 2016 (Ask HJ)
  I'm now ready to change my car and have been fancying a 4x4 for quite some time now. I really like the high driving position and, as I am sometimes out...
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  Should we keep or trade in our old Ford Galaxy? 24 Mar 2015 (Ask HJ)
  My son is wanting to change his Ford Galaxy 2.0 diesel. The car is a 2007 model and has great bodywork, with 96,000 miles from new and dealer maintained....
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  What could be causing a sooty odour to emit from the engine of my Jaguar XF diesel? 12 Jan 2012 (Ask HJ)
  I have a 2008 Jaguar XF 2.7 diesel Premium Luxury that I bought as a Jaguar approved used car from a main dealer three months ago. It came with a full...
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  My Citroen C5 estate's DPF system needed replacing after 92,000 miles - I'm quite satisfied with that. 3 Apr 2011 (Ask HJ)
  I thought that you might find my experience to be a vaguely interesting contribution to the DPF discussion. I agree that, on the whole, they are probably...
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  How are DPFs damaged by repeated short journeys? Our 2000 BMW 320d has done 180,000 miles without fault. 24 Dec 2010 (Ask HJ)
  Regarding latest EU emission regulations for diesel engines, could you please give us more information on the subject of the particulate filters being...
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  Must be choking 22 May 2010 (Ask HJ)
  I recently brought a new Audi 1.9TDI from my local Audi dealership in a London suburb. After approximately one months ownership I started to encounter...
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  What is the best automatic SUV for £15,000? 28 Feb 2016 (Ask HJ)
  I have £15,000 to buy a used SUV/4x4, but need an automatic and no older that 3 years.What would you recommend between Honda CR-V, Kia Sportage or Nissan...
• Mercedes A Class W169 - Diesel Issues 7 Sep 2015 (Forum)
  choice but it does meet many of my preferences. I am not posting on a mercedes forum because I've found some owners seem to have rose coloured glasses with their marque of car ! I would be grateful for any comments on issues, esepcially when DPF needs replacing. The 2011
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  Is it risky to buy a high-mileage car? 27 Mar 2015 (Ask HJ)
  Is it wise to buy a Ford Mondeo (2010 model) with 155,000 miles on the clock?
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  Need a cheap diesel estate - What should I get? 28 May 2014 (Ask HJ)
  I have £3500 to spend on a diesel estate. I’m not worried about age, but need something reliable and without a DPF. What do you recommend?
• VW Golf Estate/Audi A4 Avant - Additional long term costs of new diesel v petrol 1 Mar 2014 (Forum)
  I’m going to buy a new car and want advice on the long term additional costs of a diesel (e.g. DPF mileage related fouling