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• Petrol or Diesel? 21 Mar 2013 (Forum)
  will be looking for a car about 2-3 years old) but most diesels now have a dpf as standard which can get clogged.   Most days i have a 22 mile round trip to work on a mix of roads (dual carriage way then 30mph through a village followed by 60mph single carriageway roads before a short spell
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  Which version of Toyota RAV-4 to buy? 10 Jan 2013 (Ask HJ)
  I am considering buying a used Toyota RAV-4 no more than four years old, which must be automatic. I cannot work out which engine size and fuel would be...
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  Correct oil for Audi A4 Avant 2.0 TDI 5 Apr 2012 (Ask HJ)
  I need to buy oil to top up my 2005 Audi A4 Avant 2.0TDI S line. The handbook is confusing, as it seems that I need a different grade of oil if my car...
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  Should I buy a diesel Nissan Qashqai for 13,000 miles a year? 17 Aug 2010 (Ask HJ)
  I am looking to buy a new Nissan Qashqai and I wondered if it's better to buy a diesel or petrol version. My average mileage is 13,000 per year.
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  Are Nissan Navaras prone to engine failures? 18 Jul 2010 (Ask HJ)
  I'm thinking of getting a Nissan Navara, but I'm getting bad reports on them regarding engine failure. I'm looking at around an 04 or 06 reg. I would like...
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  Ford Mondeo emiting a burning smell 16 Jul 2014 (Ask HJ)
  Six months ago, I bought a 2009 Ford Mondeo 2.0 diesel estate from a main dealership. It has been great so far - it had 45,000 and now has 57,000 - was...
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  Volkswagen Golf - why is the emissions light on? 28 Mar 2014 (Ask HJ)
  Can you tell me why the emission light keeps switching on my 2004 Volkswagen Golf?
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  Best used estate for under £5k? 4 Nov 2013 (Ask HJ)
  I’m after an estate to replace my 1996 Audi A4 Avant 1.9TDI. My priorities for the new car are reliability, low running costs and one or two driver comforts....
• Ford Euro IV Diesel Info 3 Oct 2003 (Forum)
  emissions. Developed with PSA Peugeot Citroën and introduced at last month's Frankfurt Motor Show, the Diesel Particulate Filter (DPF) makes its debut in the Focus C-MAX Duratorq TDCi engine lineup. Available in selected European markets, the new DPF system is targeted to reduce particulate emissions
• Volvo S40 - Any good versatile diagnostic tool? 21 Oct 2013 (Forum)
  Could anyone recommend a good diagnostic tool? Ideally one I could read into the dpf (not necessarily for forced regeneration) just blocked/partially blocked/air flow... I also have citroen DS4 diesel 18months old.
• XTrail - Best diesel engine cleaner 28 Sep 2012 (Forum)
  I am looking for a diesel engine cleaner and I have seen the following popup regularly on the web :-   Halfords Millers Diesel Power Sport  Forte DPF Cleaner and Regenerator PowerEnhancer BG 244 Diesel Fuel Cleaner   Anyone have any
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  I bought a Mazda 3 four months ago - a fault has now occurred, can I claim the cost of repairs from the garage? 29 Oct 2017 (Ask HJ)
  I bought a Mazda 3 2.2d in June this year. Four months later, the oil pressure light is on. The dealership warranty was only for 60 days. Who do I set...
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  Can I get a remap to improve the fuel economy of my Kia Cee'd? 9 May 2017 (Ask HJ)
  Based on your advice and all you've written, I bought a Kia C'eed estate auto 1.6 diesel (no DPF) with 37,000 miles on the clock from a Kia dealer this...
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  I do 15,000 miles per year - should I buy a diesel or hybrid to get the best economy and least trouble? 19 Mar 2017 (Ask HJ)
  I'm currently running a 2009 Volkswagen Golf Plus 2.0 TDI that I've had for almost five trouble-free years. It'll be at 90,000 miles soon and I think I...
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  The emissions debate - when will other vehicles be included? 29 Sep 2015 (Ask HJ)
  When - in the emotive debate about diesel emissions - will the words "agricultural machinery", "shipping", "railway locomotives" and (heaven forbid) "LORRIES"...
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  Replacing Honda Civic petrol with a Honda CRV 1.6 Diesel 21 Jan 2015 (Ask HJ)
  I have a 2012 Honda Civic which is fine except it is really cramped in the back with 4 adults. I have been very impressed by my local Honda agents Yeomans...
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  Diesel Particular filter 4 Sep 2014 (Ask HJ)
  My beloved C30 does 600miles a week. 120 round trip commute. I had heard about cars not running because the filter blocks up, in the city as short journeys,...
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  I would like to buy a new BMW 520 - should I get a petrol or diesel version? 26 Oct 2013 (Ask HJ)
  It is now time to change from my nine-year old BMW 525 diesel. I am retired and do about 4000 miles per year. I do lots of short journeys of around seven...
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  Ford Mondeo - should I sell it or run it into the ground? 27 Sep 2013 (Ask HJ)
  I have a 2007 Ford Mondeo 1.8 TDCI Titanium X estate. It was my company lease car, which I bought a year ago on leaving the firm for £2500. It has 114,000...
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  Buying a new 4x4 - what do you recommend? 17 Aug 2013 (Ask HJ)
  I am looking to change my petrol 2003 Honda CRV. It has been a great car, but I want to replace it with something newer. I've looked at the new Honda CRV/Mazda...