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• DPFs: What are they and why do they go wrong? (FAQs)
  is not possible within this period, the regeneration will be interrupted. Question: How does regeneration affect the oil life? Answer: On each regeneration or attempted regeneration, a certain diesel fuel amount is injected into the engine oil which reduces
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  How to buy a classic car (Article)
  you know which old clunker is right for you? Classic cars are an emotional purchase – you don’t buy them like you buy a modern car. You don’t decide that you want a diesel family hatchback and then put together a shortlist of models that includes the Ford Focus, Vauxhall Astra
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  Asda cuts petrol to less than £1-per-litre 27 Nov 2015 (News)
  wholesale fuel data shows there is still scope for retailers to reduce prices further, especially for diesel.” Save more with our round-up of the best Black Friday deals
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  Honest John's Deals of the Week 21 Sep 2017 (News)
  Tuesday 19 September Get 20% discount on your interim and full service when you book online with Kwik-Fit until 30 September 2017. Servicing pricing depends on the size of your engine and the oil to be used. Save up to £5 when you book an interim or full service combined
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  Honest John's Motoring Agony Column 4 Apr 2015 (News)
  turbo, and at a list price of £18,300 and discounted down to £16,000 it's a well-equipped bargain.   Black death? I have decided to stick with diesels. My current diesel is a 2011 VW 2.0TDI, which I assume is EU5. I choose diesel for the good fuel economy (up
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  Honest John's Motoring Agony Column: 23-5-2015 23 May 2015 (News)
  on the following: I have bought a new diesel Isuzu D-Max pick-up and used it for two weeks covering 120 miles before a chance examination of the dipstick indicated there was no oil in the sump. Even with the engine running the dipstick came out dry, although
• Black oil o in Diesel engines 17 Nov 2001 (Forum)
  What is so different about the combustion process in the cylinfder of a diesel engine that turns oil black after very little use. Even in brand new diesels the oil seem to go black very rapidly. Does this affect lubrication, ? why doesnt the filter pick it up. Should oil be changed MORE frequwently
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  The oil in my Mercedes-Benz C200CDI is black after just 1500 miles. Does it need changing? 9 Sep 2010 (Ask HJ)
  You repeatedly recommend to change the engine oil more frequently, ie every six months. On your website under 'Running in a diesel' you say "Leave factory...
• Renault Clio Diesel - How soon should new oil turn black? 12 Dec 2011 (Forum)
  Our diesel Clio recently had its first service after 9 months and 12000 miles. Today, one week and 180 miles later, I was checking the fluid levels for the first time since the service and noticed that the oil was black. The main dealer where the service was done assures me
• black oil 27 Dec 2002 (Forum)
  I had an oil change recently on my BMW diesel,I used Mobil 1 semi synthetic as per past thread recommendations the oil went black quite quickly.Is this usual?
• New oil from service is black already? 12 Feb 2007 (Forum)
  I have just had me Audi A4 2.0 diesel in for its first long life service at 18000 and when I checked the oil the next day it was black. I rang the dealership and they said it was normal and it was the carbon deposits. Surely these would have been removed when the old oil was changed. Is this normal
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  Excess oil consumption? 1 Dec 2012 (Ask HJ)
  My daughter's car was serviced in September. When she came to visit last week, my husband checked her oil level to discover it was very black and half...
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  Black smoke from a 307 diesel? 29 Apr 2014 (Ask HJ)
  My wife has a 2005 Peugeot 307 1.6 HDI that has a diesel knock and blows black smoke on starting. It gets worse then better, occasionally running well...
• Ford Mondeo - Engine oil in diesel 10 Nov 2013 (Forum)
  2004 ford mondeo tdci. Hi I'm new here do forgive me if I do this wrong. Car lacking power, black smoke and excessive oil usage. Removed the fuel filter yesterday to find the diesel black so now I know where the oil is going but where to start to find the problem? High pressure pump?
• Ford Focus (1998 - 2004) - 2002 1.8 Oil change on diesel 10 Dec 2008 (Forum)
  I changed the oil on my 1.8 tdci 2 weeks ago and have covered about 300 miles. Normally I would get a garage to change it (anyone agree its a hassle to change the oil and filter on the diesel focus?). After the change the oil looked about 25% black. Now its about 80% black. I thought normally oil
• Suzuki Swift - mpg and black oil 8 Jan 2013 (Forum)
  My swift is 8 months old with under 7000 on clock and i have noticed a decrease in mpg. I am only getting 51 instead of 68. Its a 1.3 diesel 2012. I checked the oil and this is black which is not right for the age and mileage. Any ideas?
• TDCi oil black immediately after garage 13 Aug 2006 (Forum)
  Hi, I have to get my 03 Mondeo TDCi (31000 miles) garage-serviced for a insurance-type warranty. When I got the car home (4 miles) the oil was already black! I've heard this happens quickly with diesels, but that quickly??? I have had little previous experience with diesels. Could someone
• Peugeot 207 sport diesel 2008 - oil change 11 Aug 2010 (Forum)
  it was normal as when the oil is drained not all of the old  oil drains out of the engine so when the new oil is added it mixes with the old old that was left in the engine thus causing the oil to look black they said this happens with diesel engines is what they told me correct or not. Also could
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  Should I worry about black oil? 26 May 2012 (Ask HJ)
  I have just picked up my HDI Citroen C3 Picasso from its two year service (25,000 miles) and on checking the oil level the oil is black. On lifting...
• should oil still be black after service ? 19 Jul 2009 (Forum)
  Car had a service today (first service of the diesel engine if it helps) and checked the oil and the level is slightly up from where it was prior to the service but it is still black. Should this be the case ? It looks like the garage has just topped up the oil and charged me for new oil