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  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...
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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...
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  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...
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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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  Diesel particulate filters 2 Jan 2013 (Ask HJ)
  Which modern and new diesel cars do NOT have a DPF fitted?
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  How do I maintain my DPF? 16 Dec 2024 (Ask HJ)
  I've read in several places every 300 to 400 miles I should clean my DPF's. I understand I should drive at 2000 revs for 20 minutes. What happens if I...
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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...
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  Will the new MoT changes affect my diesel car? 5 Mar 2018 (Ask HJ)
  I have a 2008 Volkswagen Golf 2.0 TDI. It is not fitted with a Diesel Particulate Filter (DPF) as standard so how will the May 2018 MoT changes affect...
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  Does my SEAT Altea XL have a DPF? 5 Sep 2010 (Ask HJ)
  I drive an 09 SEAT Altea XL. Does this car have a diesel particulate filter?
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  Increasing oil level - any idea why and is it serious? 16 Jan 2015 (Ask HJ)
  Car was serviced 5000 miles ago. The oil level has now risen. I have checked the dipstick so it is not a faulty sensor. Any idea why and is it serious?
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  DPF additives 1 Jun 2011 (Ask HJ)
  I have a Skoda Yeti 2.0 Diesel with DSG. 5,000 miles a year, 40% of my journeys less than 5miles. Would a fuel additive reduce the chance of clogging and,...
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  What diesel cars, with no DPF, are economical and could tow a small caravan? 20 Jul 2017 (Ask HJ)
  I'm having difficulty finding a reliable, economical car for under £2000 which meets all my criteria. It needs to have a high seating position, high ground...
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  Diesel or petrol? 30 Jan 2017 (Ask HJ)
  I'm looking at buying a van for a new venture, pet services. I will be driving short journeys visiting pets in their own home and collecting dogs to walk....
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  I only do 8000 miles a year and want a 4x4 - should I go for a diesel? 30 Dec 2016 (Ask HJ)
  I need a 4x4 with a high seating position but only cover about 8000 miles a year. I have been offered a good deal on a BMW X1 20d. Do BMWs have the same...
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  Does the Mazda CX-5 suffer from DPF problems? 30 Aug 2016 (Ask HJ)
  I am thinking of buying a Mazda CX-5 2.2 diesel automatic (2WD). I have two questions :- (a) Will the above vehicle be adequate to tow a caravan, 1300kgs...
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  Does the Nissan Juke suffer DPF issues? 6 Jan 2015 (Ask HJ)
  I have a commute of eight miles a day, five days a week. Over the course of a year, I cover 8000 miles and I rarely do journeys of more than 10 miles....