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• Biodiesel 2 Jul 2001 (Forum)
  Having recently bought a diesel (Golf GT TDI - we were originally going for the Seat Leon 20VT Cupra but for a 25000 miles pa fuel bill) I was curious to see where I could purchase biodiesel or find out if or when it would be available.
• 205 diesel - Peugeot 6 Jul 2011 (Forum)
  the car ran out of diesel filled up the tank filled the perflux filter and pumped the primer it will not pump from tank, line is clear can suck fuel from tank it will pump small amount from filter then stop is primer pump faulty 
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  How can I improve my Octavia's fuel economy? 27 Apr 2015 (Ask HJ)
  I have a 2013 Skoda Octavia 2.0 diesel. However, while my old Octavia gave 65mpg, I find the new model to struggle to get past 50mpg. I understand...
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  Which medium diesel 4x4 will give 40mpg or more? 21 Aug 2010 (Ask HJ)
  We own a 1997 Subaru Legacy which is in need of replacement. We'd have another for its all-round ability, but the fuel consumption of the petrol models...
• vectra dti - fuel 12 Jul 2013 (Forum)
  hi got a 2003 vectra dti 2.0 and just wondered what sort of mileage i should get out of £10 pound of diesel, iam currently getting about 72  miles...
• Citroen Berlingo Multispace 1.9 DW8 - D'OH! £2 of petrol in a diesel 24 Jan 2012 (Forum)
  As above really. I realised my mistake quickly.  I BRIMMED it with normal diesel, then stuck some diesel additive that mentions lubricating fuel pumps on the bottle into the tank too. Reckon I got away with it? (Everything crossed)
• Japanese Diesels-Inefficient/thirsty? 11 Oct 2003 (Forum)
  For some reason Japanese Diesels like the ones for the Primera/Almera have had bad press, not so much for reliability as for the lack of performance and fuel guzzling nature. Is there any real ground to it.I know compared to the French and the Germans , the Japanese diesels pale in comparision , but are they of the "not to be considered" category when looking for a used car?
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  Should I add injector cleaning fluid to my BMW 5 Series? 30 Oct 2014 (Ask HJ)
  Should I add injector cleaning fluid to my 2007 BMW 525d diesel engine?
• Petrol into Diesel Nissan Navarro 18 Jun 2005 (Forum)
  .********* On trying to restart the engine turns but battery is flat, so wont turn , i have emptied what i can from the various fuel lines but know some has managed to get in My question now is as I am sat in airport late of course and have 6 hours until next flight , what is chance on my return of starting motor if 1 i add more fuel ie diesel hehe and getting a jump on battery???
• Diesel Starting Problems 17 Feb 2002 (Forum)
  Took it to a garage and they checked the glow plugs etc and could find nothing wrong. Have replaced the fuel filter. Problem is only recent - last 2 months. Later in the day - to come home, the car starts no problem. Only seems to be first thing in the morning. Any suggestions? Could there be a problem with condensation in the fuel tank ???
• Skoda Octavia Estate - A difficult decision to make 8 Apr 2021 (Forum)
  However, my big worry is that given the recent bad publicity around diesels, there is a risk of a massive hike in tax/duty on diesel any time soon to disincentivise it as a fuel over petrol. Looking at my car options, Diesels are definitely cheaper in the choices I have highlighted above (in particular, used mk4 focus petrols are quite a bit more expensive than Diesels).
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  Supermarket diesel 2 Nov 2011 (Ask HJ)
  Does the problem with supermarket petrol also apply to diesel? And is there a particular fuel to look for?
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  False economy? 21 Nov 2009 (Ask HJ)
  I am hoping to swap my 54 plate 1.8 auto Almera for a new car that will be cheaper to run. I have looked at the Chevrolet Aveo and ruled that out due to...
• Used Market Petrol v Diesel Study 12 Sep 2011 (Forum)
  Used Market Petrol vs Diesel Study With ever rising fuel prices theres more incentive than ever to switch to a diesel car. The higher prices of diesels have led to many studies by reliable motoring magazines into the 'payback time' for new diesels in comparison to petrol models.
• Vauxhall Astra 1.7 diesel 1999 - Astra diesel wont run.......... 16 Nov 2013 (Forum)
  I'm hoping we have some GM experts out there... I have a 99 1.7 turbo diesel Astra. (Vauxhall engine). The car came to me about 200 miles ago with a receipt for a fuel pump for over £700 ! just a few months before I got it.  The car has run exceptionally well until it started missing the odd beat....this became more frequent until it stopped altogether, and now wont go at all.
• Ford Focus II (2004 - 2007) - 2006 TDCi - Diesel starting on veggy oil 9 Jan 2008 (Forum)
  It has always been a good starter and ran well - until now. A number of friends are running up to 25% vegetable oil in their 5 year old diesels so I decided to try it. I put a small percentage in a full tank of diesel - 6 litres in about 45 litres of fuels and it worked well. No problems at all. Yesterday I tried 9 litres in 40 litres of diesel (about 18%) It started on a warm engine but on a run of about 2 miles to the shops it wasn't so good at low revs.
• Peugeot 405 Diesel (1988 - 1996) - 95 1.9 Testing stop solenoid on a TD 13 Jun 2009 (Forum)
  I suspect that the replacement stop solenoid I recently fitted is faulty. The car has not started since it was fitted. No fuel reaches the injectors,...
• Fuel additives: do you use them? 1 Mar 2007 (Forum)
  Further to the thread on SUL... Which of you use petrol or diesel additives? I used to use Miller's Diesel Power Plus in my VW Golf GT TDI, and I plan...
• Driving VW Diesels Economically 11 Jun 2004 (Forum)
  HJ advised an owner of a 130bhp VW Golf to keep the engine revs between 2 and 3000rpm to maximise the fuel economy. Admitedly this was for a six speed...
• Best Fuel 26 Mar 2002 (Forum)
  On the advice of many people, I am now using Shell Optimax in my Saab 9000 Aero, which seems to work pretty well. However my father has just bought his...