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• 
  What do these abbreviations mean? 9 Aug 2012 (Ask HJ)
  Could you explain such terms as DPF, DMF, CVT transmission, ABS, etc?
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  New Ford Ranger DPF 8 Feb 2012 (Ask HJ)
  I have just watched your excellent video on the new Ford Ranger. You make the point that, when cruising on the motorway, the engine will be revving at...
• 
  Emissions warning light on my Volkswagen T5 13 Jan 2012 (Ask HJ)
  I have started my Volkswagen T5 motorhome after 1 month idle and emission warning has come on. Handbook states take to dealer for check but in your article...
• VW Polo Bluemotion - Polo diesel particulatefilter (DPF) trouble 15 Feb 2011 (Forum)
  the car I had problems with teh dpf light coming on. The 100 mile round-trip commutes sorted that completely. But now I'm wondering if there is anything I can do when I move again? Or would the best optionbe to try & sell the car and get a non-dpf (probably petrol) one? I should also mention it's an 09
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  Does the Ford Kuga diesel have an Eolys-treated DPF system? 9 Sep 2010 (Ask HJ)
  I am interested in a Ford Kuga Diesel, but have read that it may have an Eolys additive system on it. Going on various friends' bad experiences with this...
• 
  Particulate filter problem - can it be fixed? 10 Feb 2014 (Ask HJ)
  In November I purchased a SEAT Ibiza from the Car Shop. Around a month later the DPF warning light came on. I consulted the handbook and took on the advice...
• Mercedes GLB - DPF 27 Jun 2022 (Forum)
  ? £7000 Apparently the engine is transversely mounted with the DPF sandwiched between the back of the engine and the bulkhead, in order to replace it you need to remove the entire engine and gearbox. To be fair to the dealership the conversation was preceded with the statement “don’t
• Audi A3 - A3 1.9 tdi pd 14 Apr 2017 (Forum)
  Hello Everyone,   I am very tempted with a locally advertised A3, it has the well respected 1.9 tdi/pd lump in it, 56reg, lowish 58kmiles. Research has told me that it is non DPF...138 k/gm,... approx late 07  Audi offered the same engine with a DPF...119 k/gm...I
• Mondeo 20TDCi - Diesels on the IOW 30 May 2012 (Forum)
  opportunity to use the rev-band .With the fuss about DPFs, and the general advice that they are best cared -for by a regular use at high revs ( on motorway or similar) I'd have real doubts about buying a diesel on the island, as they have virtually nowhere to give the DPF that use. I wonder how
• Vauxhall Astra H (2004 - 2009) - 2008 1.3CDTi - does this engine have a DPF? 14 May 2009 (Forum)
  I did a google search shortly after your question was posted, but couldn't find a definitive answer. It was a 50/50 split.
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  Do all diesel engines have DPF issues? 6 Jan 2023 (Ask HJ)
  Is there a diesel car yet that can cope with town driving/short journeys without clogging the diesel particulate filter (DPF) and exhaust gas recirculation...
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  Is it legal to remove the DPF from my car? 12 Aug 2012 (Ask HJ)
  Various companies are advertising diesel particulate filter removal services with associated re-programming of the ECU to stop the CEL lighting up. My...
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  Is 7000 miles a year enough to justify a diesel? 24 Apr 2024 (Ask HJ)
  I normally do 7000-8000 miles a year, mostly 5-10 miles journeys regularly and 5-6 trips of 150-200 miles in a year. I know people generally say diesel...
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  We're looking at a used diesel car. Should we worry about the DPF? 27 Jan 2021 (Ask HJ)
  We have the opportunity to buy Vauxhall Insignia with a diesel engine. It has 41,000 miles and it's selling for £4150, but we're worried about the DPF....
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  I need a spacious SUV or pick-up. Would my low mileage rule out a diesel vehicle? 27 May 2020 (Ask HJ)
  I'm looking for a reliable 4x4 that has lots of storage. I mainly do quite low mileage so a DPF is a concern unless you can advise how I may manage this....
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  Why is my Audi A6 TDI's fuel economy so poor? 28 Apr 2012 (Ask HJ)
  The fuel economy of my 2007 Audi A6 2.0TDI Avant Multitronic has always been poor from new at 34mpg, rising to 40 in mid 2011 and now having dropped steadily...
• Cos cos a salesman yesterday they DO! - Do Hyundai REALLY cover the DPF under their 5 year 29 Jan 2015 (Forum)
  Regardless of the type of driving undertaken. Like 5000 miles per annum in Belfast city!! Cheers M
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  Diesel particulate filters 2 Jan 2013 (Ask HJ)
  Which modern and new diesel cars do NOT have a DPF fitted?
• Peugeot 308 - Engine Light - Peugeot 308 SW HDi blue - DPF Help 23 Jul 2023 (Forum)
  Hi, we're in the process of looking for a new car, and on our current car the engine light has come on. We booked it into the garage and they ran the codes... the garage has said it doesn't really like working with DPF filters and hence won't do any work on it. It's frustrating because we were
• Ford Focus Saloon - Limp Mode at 3k Revs - Focus 1.6 TDCI 21 May 2019 (Forum)
    Hi All,  I have an '07 1.6 TDCI Focus that I've had since 2010 and now has 172k on the clock. It's been well looked after and serviced and maintained regularly, still on its original clutch, DMF, DPF, injectors and Turbo.    It's started