Showing results in  Ask HJ [Show all channels]

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  Black smoke from S Class 18 Jul 2011 (Ask HJ)
  Last week you wrote about DPF clogging to contaminate lubricating oil. My computer says I have a reduced oil level but the dip stick confirms correct amount....
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  Is there a DPF in my Citroen C2? 24 Aug 2010 (Ask HJ)
  I have read the FAQ about DPF problems, but are they fitted to every diesel car including my 2002 Citroen C2?
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  Will short journeys in a diesel car cause issues? 3 Aug 2021 (Ask HJ)
  I have a 2014 Mercedes SLK diesel roadster. Will making multiple short journeys of 5-10 miles cause a problem with the exhaust system? If so, would some...
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  How do I get my DPF to regenerate? 19 Jan 2024 (Ask HJ)
  I own a 2017 BMW 640d Coupe. It easily reaches 70 mph at 1500rpm in auto mode. I think you advise drivers to maintain 2000rpm for 15 miles or so on a dual...
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  Should diesel particulate filter (DPF) failures be covered by a manufacturer warranty? 1 Nov 2021 (Ask HJ)
  Is the MG seven year warranty any good? The catalytic converter has failed (or the particulate filter) after only three years. Is that acceptable to be...
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  Volkswagen Touareg - DPF problems 2 Dec 2013 (Ask HJ)
  The yellow 'engine block' light has illuminated on my Volkswagen Touareg diesel during a 300 mile trip to Cornwall. It went out a day or so later only...
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  Will the Porsche Cayenne stop-start system damage the battery or DPF? 26 Oct 2013 (Ask HJ)
  A friend is purchasing a Porsche Cayenne diesel with a stop-start fuel saving cut-out facility. Firstly, does this rapidly destroy a battery (with all...
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  Should I buy a large capacity diesel for short journeys? 23 Mar 2013 (Ask HJ)
  I am considering buying a 2008 Range Rover TDV8, a 2010 Audi A8 TDI or a 2010 Jaguar XJ 3-litre diesel. Although I drive some long distance trips, predominately...
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  Is a a 58-plate KIA Cee'd fitted with a DPF? 17 Nov 2012 (Ask HJ)
  I am looking to buy a 58-plate Kia cee'd 1.6 CRDI LS estate. It will mainly do daily trips around town for 15 mins or so, so we are put off by the diesel...
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  Is it time to change our car? 12 Mar 2012 (Ask HJ)
  We own a 2007 Seat Leon 1.9 diesel. It has been a very reliable car, but it is due a cam belt and, at almost five years old, I wonder whether it is liable...
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  My car's DPF is blocked. Can it be cleaned or does it need replacing? 6 Nov 2020 (Ask HJ)
  I've owned a diesel 2013 Volvo V40 for nearly two years and it has now covered 28,000 miles (short journeys since I have owned it). Recently the message...
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  diesel v petrol low mileage 22 Mar 2014 (Ask HJ)
  Your article titled “Mazda, of all he surveys” in the 22-Mar Telegraph recommended the Mazda3 Skyactiv diesel to someone doing 6,000 miles per annum, “mostly...
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  Is it legal to remove the DPF from our Hyundai Santa Fe? 30 Nov 2013 (Ask HJ)
  We have owned a 2007 Hyundai Santa Fe 2.2 CDI 7-seater for three years but recently it has displayed the engine management light. Our dealer carried out...
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  DPF not fitted as standard on 2009 Volkswagen Golf 31 May 2012 (Ask HJ)
  In your recent reply to my question over my car having a DPF fitted, you replied it most probably did have one. So I emailed my VIN number to VW and...
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  What to replace a 15 year old Golf TDI? 20 Nov 2015 (Ask HJ)
  My 2000 Golf 1.9 TDI is nearing the end of its life 200k miles and now multiple electrics problems. I'm looking to spend up to £6000 on a replacement that...
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  Can you suggest a petrol pick-up truck? 28 Feb 2018 (Ask HJ)
  I have a great Mitsubishi L200 pickup, which is pre-DPF. I'm now looking to change it, but I only do 5000 - 6000 miles per year, which are mostly short...
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  Diesel or petrol? 27 Jul 2015 (Ask HJ)
  My commute to work is four miles there and the same four miles back. I do this twice a day. I'm looking at buying an 09-ish Kia Soul but can't decide between...
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  Do I have to pay for the DPF to be repaired in the Volkswagen Golf I just bought? 3 Jul 2010 (Ask HJ)
  My 20,000-mile Volkswagen Golf GT TDi 2.0-litre has just had the DPF, engine management and diesel glow plug lights come on. I bought it six weeks ago...
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  Flashed in the pan 19 Jun 2010 (Ask HJ)
  I own a 2.0 170 TDI PD with DPF and on our web site Seatcupra.net and other VAG web sites we are getting news of the franchised dealers reflashing the...
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  Oil pressure 30 Sep 2016 (Ask HJ)
  Seat Toledo 1.6 diesel. Engine oil pressure light coming in during dpf regeneration. Only comes on during regeneration. Never any other time, and not...