Showing results in  Ask HJ [Show all channels]

Sort by: Relevance | Newest first | Oldest first

• 
  DPF and fuel consumption 21 Jun 2015 (Ask HJ)
  I had a DPF filter regeneration last week at an authorised dealer garage and I have noticed increase of fuel consumption from around 11 l/100 miles to...
• 
  Buying a used Kia - does it have a DPF? 6 Aug 2012 (Ask HJ)
  Does the 2010 Rio Strike 1.5 CRD diesel have a Diesel Particulate Filter, and if that's a yes, how frequently would the regeneration oil need replacing?...
• 
  Of particulate interest 5 Oct 2011 (Ask HJ)
  I have a Focus 1.6 diesel that has just had its 3rd major service at a Ford main dealer at 33,000 miles. The paperwork indicates that a DPF service is...
• 
  Why do I have an anti-pollution fault light on in my Peugeot 307? 13 Aug 2010 (Ask HJ)
  The engine auto light is on in my Peugeot 307. The display shows 'Anti-Pollution Fault'. Can you help?
• 
  Is the Vauxhall Corsa 1.7 CDTi diesel engine reliable? 4 Jul 2010 (Ask HJ)
  I understand the Vauxhall Corsa 1.7 CDTi has the new Vauxhall diesel engine. I am considering looking for one. Is it reliable and does it have a good DPF...
• 
  Why does the DPF light keep coming on in my car? 13 May 2019 (Ask HJ)
  I have a Skoda Yeti 1.9 TDI I bought six months ago. In those six months the diesel particulate filter light has come on on three occasions - it is true...
• 
  Will premium diesel make my DPF last longer? 27 Sep 2016 (Ask HJ)
  You frequently advocate the use of Shell V-Power Nitro Diesel which I have used in my Citroen C5 from new. You also state that diesel engines are prone...
• 
  Volkswagen DPF issue 23 Nov 2012 (Ask HJ)
  I've been advised to replace the DPF filter on my 2006 Passat by Volkswagen for a price of £1850 - but I am not convinced that this will improve matters. The...
• 
  How do I replenish my Citroen C5's DPF additive? 24 Aug 2010 (Ask HJ)
  Please can you advise how to replenish my Citroen C5's DPF additive, and where is the tank located?
• 
  Does the Nissan Qashqai suffer DPF problems? 12 May 2015 (Ask HJ)
  I am thinking of buying a Nissan Qashqai diesel for towing my 1300kg caravan, but have concerns about the DPF. Would the 1.2 petrol engine be powerful...
• 
  Why did a Volvo salesman say that a software upgrade would reduce DPF problems with the V50 R-Design? 10 Feb 2011 (Ask HJ)
  I have been approached by a local Volvo dealer who is aware that I am in the market for a new car and of my concerns regarding the DPF. They have a special...
• 
  My van keeps cutting out - how can I fix DPF problems? 22 Apr 2023 (Ask HJ)
  My son recently purchased a Peugeot 207 diesel van. Sometimes without warning the engine dies while he is driving. If he switches it of then on the particle...
• 
  Should I add a diesel additive to keep my DPF working properly? 28 Feb 2018 (Ask HJ)
  Is it worth using a DPF additive in a tank of superdiesel to keep my car's DPF clean?
• 
  Ive just had the emission fix done - is it normal for the fan to run after I've turned the ignition off? 2 Mar 2017 (Ask HJ)
  Since I had the emissions fix done I've had numerous incidents of the engine or fan running on after switching off the engine and removing the key from...
• 
  Faulty car DPF 3 Jan 2016 (Ask HJ)
  I purchased a new diesel ASX the problem started after 8 months. Oil light stating level to high. Cars now 22 months old, done almost 16.000 miles. Same...
• 
  How far do I need to travel to regenerate the DPF? 27 Nov 2013 (Ask HJ)
  I have narrowed my choice of new car down to the Volkswagen Golf 1.6 TDI. I do mostly city driving, but a few times a month will go on longer journeys...
• 
  Why did Royal Mail buy Fiat diesel vans with DPFs? 26 Oct 2013 (Ask HJ)
  My postman tells me that Royal Mail recently took delivery of new Fiat vans fitted with diesel particulate filters. Now postal workers on suburban stop-start...
• 
  Long Warranty 14 May 2013 (Ask HJ)
  I was surprised when I read your reply to letters stating Honda guaranteed their new 1.6 diesel engine for 1000000 kms or 10yrs in France and Spain. They...
• 
  Latest DPFs - fewer problems? 18 Apr 2013 (Ask HJ)
  I was helping my father look at a new Fiat Doblo with a 1.6 Diesel engine. I mentioned to the dealer that the car would be used mainly for shorter journeys,...
• 
  Fuel consumption suddenly dropped? 4 Apr 2013 (Ask HJ)
  Last year my Jaguar X-Type diesel's fuel consumption suddenly dropped from 52 to 44mpg. I have put two lots of injector cleaner in the tank; changed...