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• 2013 mitsubishi barbarian - burning 26 Feb 2017 (Forum)
  i get a smoking and burning smell coming from the rear cab end of my truck,the garage say that this is the dpf filter cleaning itself mmmm ?regards paul
• Mazda 3 2.2 Diesel, or any Car - Terra Clean, any thoughts ? 3 Mar 2019 (Forum)
  Anyone used Terra Clean on a engine or DPF ? Any thoughts on how effective it is ?
• audi a6 - car fault s 7 May 2014 (Forum)
  I have just bought a audi a6 2.5tdi 2002 model. I would like to know if this car has a dpf or is that just on new cars?  Thanks
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  What's the best diesel for low mileage? 13 Sep 2016 (Ask HJ)
  Having retired, I no longer do the miles I used to to justify a diesel. I'm probably down to 10,000, with a 70 mile round trip on motorways twice a month....
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  Should I keep or sell my A4 Avant? 1 Feb 2015 (Ask HJ)
  I've got a 2004 Audi A4 Avant 1.9 TDi with 86,000 miles. It still looks smart, I like driving it and it has generally been reliable. The car got through...
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  Engine warning light on Mazda 3 27 Aug 2014 (Ask HJ)
  Seven months ago I bought a 2010 Mazda 3 diesel. It has 71,000 miles on the clock and is out of warranty. Yesterday, whilst driving down the motorway,...
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  qashqai plus 2 replacement 16 Apr 2014 (Ask HJ)
  We are considering whether to replace a 5 year old 2 litre petrol qashqai which has covered 34000 miles mainly on sub 4 mile trips around town. It is...
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  Why is my diesel Fiat 500 suffering repeated engine failures? 26 Jan 2013 (Ask HJ)
  I purchased a Fiat 500 1.3 Multijet 2 years ago. During that time the car has been in and out of the garage for diagnostics, reputedly due to engine management...
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  Particles of association 4 Sep 2010 (Ask HJ)
  I have a 2008 model Volvo V70 D5 SE, and I recently received a recall notice from Volvo regarding diesel fuel getting into the sump oil during a DPF regeneration...
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  Worser Gummage 5 Sep 2009 (Ask HJ)
  I have an Alfa Romeo 159 Sportback 1.9 JTDm 16v. Recently a warning message appeared stating "Pollution Filter Clogged". The garage tells me this happens...
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  Particle solution 22 Aug 2009 (Ask HJ)
  I am part of a group of five other people trying to deal with the same problem. We all have or have had 2007 Vauxhall Meriva 1.3 CDT and we have all suffered...
• Renault Clio - Poor MPG 28 Jul 2024 (Forum)
  DPF Cleaner and took the car on the motorway and held the car at 3000 RPM and covered 50 miles, Since then i have increased the MPG to 54, So i am still missing out on 4MPG. Is there a way to try and get better MPG, I am just using normal Diesel at the pumps since i have read that modern cars
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  Four year old Mazda 6 - keep or sell? 22 Feb 2015 (Ask HJ)
  I have a four year old (2011) Mazda 6 Sport (180) diesel tourer. I've had it from new, covering 126,000 miles and love the car. I've seen a 2012 reg "Venture"...
• Ford Kuga 2012 - ASDS Amonia Storage and Delivery Systems 3 Jun 2018 (Forum)
  Has any one found a company that can install retrofiting ASDS systems to Euro 5 DPF cars.
• Citroen DS5 - Diesel additives 25 Nov 2012 (Forum)
  Interested in Platinum Plus diesel additive to asssist soot clearance in the DPF. The Web provdes info about this additive but does not suggest a source. Can anyone provide a supplier's name please.
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  My car failed after 17,000 miles - is it fair for the dealer to reject liability because it wasn't serviced? 4 Dec 2017 (Ask HJ)
  I bought a new Mitsubishi Challenger L200 from a dealer in May 2015. The engine seized and the car was written off in October 2017, after only 17,000 miles....
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  Which SUV is best? 26 Feb 2015 (Ask HJ)
  I am looking at buying a new SUV. I do about 10,000 miles a year and my daily drive to work is 25 miles each way. I really like the Honda CR-V, but the...
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  Replacing a Fabia estate? 11 May 2013 (Ask HJ)
  I currently have Skoda Fabia Greenline estate from 2008. As we use the car just for school runs mostly and afterschool clubs, distances of under a mile...
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  DPF warning light - what do I do? 9 May 2013 (Ask HJ)
  I've owned a Suzuki Grand Vitara since Oct 2012 - It is now out of warranty. I live in the Yorkshire Dales and I'd had enough of getting stuck the wrong...
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  Our postal vans keep breaking down with DPF faults - do you have any comment? 16 Mar 2013 (Ask HJ)
  As a keen reader of your columns in the Saturday Telegraph, I am well aware of the pitfalls of operating a modern diesel for short journeys. Our local...