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  Why do so many of your readers fill their cars with the wrong fuel? 2 May 2011 (Ask HJ)
  What is wrong with people who misfuel their cars? Do they not understand there are things you just do not do? I find it difficult to believe that such...
• French Fuel Prices 28 Jun 2004 (Forum)
  Can anyone tell me the current prices of both unleaded and diesel at French supermarkets?
• KERS reduces fuel consumption by up to 25% 26 Mar 2014 (Forum)
  Another nail in the diesel coffin. http://www.autocar.co.uk/car-news/industry/volvos-new-kers-system-reduce-fuel-use-25-cent
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  Can I use unleaded with a bit of diesel in it in my Citroen? 24 Aug 2010 (Ask HJ)
  I have put 55 litres of unleaded petrol with five litres of diesel in my car. I have had it drained into five-gallon drums. Would I be able to use this...
• peugeot 106 Diesel filled with petrol 30 Oct 2004 (Forum)
  Whats plan, Take the fuel pipe off over a drain Put it back on and bleed the diesel through ?
• 'Chipping' - more power = less fuel ? 12 Oct 2004 (Forum)
  How's that done then ? Surely, if you up the power, the engine uses up more fuel. Looking at BR posts, especially with diesels, most people who have had their engine 'chipped' find the car uses LESS fuel. Any ideas ?
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  Focus diesel runs rough when cold 22 May 2013 (Ask HJ)
  My Ford Focus 2.0 TDCi 05 plate runs rough when cold - like a petrol car 'missing.' It's OK when accelerating. I have had the glow plugs changed but...
• 
  Is there a major fault with the DPF-equipped Mazda 6 diesel engine? 27 Jul 2010 (Ask HJ)
  The Mazda 6 diesel engine, from its first incarnation to the current model, has a new form of diesel engine with a diesel particulate filter. According...
• General Fuel Price Thread 8 Sep 2005 (Forum)
  {Several separate threads recently all discussing pretty much the same thing, so I've combined them all into the one thread. DD} ----------------------------------------------------------------- I...
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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...
• NISSAN PRIMERA SXI - REMOVING FUEL FROM TANK 26 Jan 2014 (Forum)
  I have a full tank of diesel and my car had died, how can i remove the fuel before the car is scrapped.
• Fuels 23 Apr 2004 (Forum)
  Are the new range of Ultimate and Optimax unleaded fuels safe to use on ALL vehicles (obviously apart from those that require diesel or leaded!)? If so, do they deliver the additional efficiency and performance that they promise and are they worth the extra pennies on the litre?
• Diesel, Cold, stop start fuel consumption figures 20 Dec 2007 (Forum)
  But why do you rarely hear of the big fuel savings on cold, short journey, stop start use with diesel? (Diesels driven care that is and not booted forward at every gear change with maximum torque) Could it be that the official fuel consumption tests flatter Petrol?
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  Why is my Vauxhall Corsa not starting properly? 17 Jan 2017 (Ask HJ)
  My 2004 diesel Vauxhall Corsa doesn't start on the first key turn and barely on the second is there something wrong with the car or is it the cold?
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  Should I retrofit my Volkswagen camper with a petrol engine? 18 Apr 2017 (Ask HJ)
  I have a campervan on a Volkswagen T4 chassis. It's registered 2000 and a 1890cc diesel. I'm concerned about the discussion of banning old diesels from...
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  Best small estate/MPV for £9000? 26 Sep 2014 (Ask HJ)
  I need a medium sized estate or MPV with a flat access boot (for getting my wheelchair in and out easily). It must be an automatic as I do mainly urban,...
• Ford Mondeo III (2000 - 2007) - 02 2.0 tdci fuel filter change 14 Oct 2009 (Forum)
  hi all, ive never change a fuel filter on a diesel, do i need to fill the thing with diesel first? if so is it via the 'in' nozzle on the filter? Also where is the oil filter and washer pump on ths car, i want to change all filters but the washer has packed up, though the wipers still work so im guessing its not a broken fuse!
• Mercedes Benz E-Class W210 (1995 - 2002) - 2000 2.2/3.0 Mechanical Fuel Injection 19 May 2008 (Forum)
  I am considering buying a W124 or W210 E class Mercedes and would appreciate if someone could advise when M. Benz ceased production of diesel engines with Bosch mechanical fuel injection systems. Could someone also please advise when M. Benz switched to common rail diesel engines ?? Many thanks for your help.
• Automatic fuel pump 26 Jan 2006 (Forum)
  At my local Safeway's petrol station today I noticed a lorry parked at one of the normal pumps filling up with diesel. However, the driver was walking round his lorry cleaning the lights whilst leaving the nozzle in his tank. I am assumin this was pumping diesel into his tank at the time. If so, how did he do it?
• Peugeot 106 Diesel Leak 24 Dec 2003 (Forum)
  I have a 1994 106 Key West 1.4D (stop laughing) that i use just for running to and from work. It seems to be leaking fuel from the pump somewhere. If I...