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  Why are there petrol fumes in my 1997 Volvo V70? 13 Nov 2024 (Ask HJ)
  I have petrol fumes in cabin of my Volvo V70 T5 1997. Driving normally the fumes are not too much of a problem, however, when coming to a halt it is noticeable...
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  Can I used home-stored diesel? 20 Oct 2014 (Ask HJ)
  What is your opinion on home-stored diesel? Is it fine To use after say 12/18 months storage?
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  How much spare fuel can I carry? 26 Jun 2024 (Ask HJ)
  What is the legal position on carrying in a private car a can containing spare E10 petrol? if it is legal so to do, what is the best currently available...
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  How do we store a plug-in hybrid electric vehicle (PHEV) for six months? 1 Apr 2022 (Ask HJ)
  We leave our diesel vehicles stored for up to six months with the tanks full to avoid condensation pollution. We're considering changing one of them to...
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  Fiesta fuel pump has failed. Help please! 20 Nov 2012 (Ask HJ)
  It's a problem with a Fiesta that's been left standing for four weeks while the owner was away from home. Now, the fuel pump is not running for 1~2 seconds...
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  Fuel delivery problem with BMW 3 Series 30 Sep 2014 (Ask HJ)
  My BMW 3 Series E46 is running poorly, The engine appears to be uneven in its power delivery and feels like the diesel isn't getting through. Any ideas?...
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  Hyundai i30 - are there any known problems? 2 Feb 2014 (Ask HJ)
  Are there any known problems with a CRDI system as on the Hyundai i30? The fuel pressure is quoted as up to 30,000RPM and this seems incredibly high for...
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  Premium fuel worth the extra? 11 Sep 2012 (Ask HJ)
  My six year old Ford Focus only just passed the MOT emissions test, and I have been advised to use super unleaded petrol to keep the engine clean, is this...
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  TVR hot start issues 12 Apr 2011 (Ask HJ)
  Our 1997 TVR Chimera wont start immediately after stopping when hot (i.e stopping for petrol!!!) It will eventually but only after cooling down. Is that...
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  Should I use a fuel system cleaner for a GDI engine? 3 Oct 2022 (Ask HJ)
  Is there any evidence that a fuel system cleaner can stop the build up of carbon in a GDI engine, especially one fitted with a turbo?
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  Why will my Ford Sierra not start? 3 Jan 2020 (Ask HJ)
  I have an issue with my 1992 Ford Sierra 1.8 diesel. It has an intermittent problem where it will occasionally not start. Any idea what the problem could...
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  Citroen Synergie fuel pump 26 Nov 2015 (Ask HJ)
  Does a 1996 Citroen Synergie 1.9td have an in tank pump. Car starts but stalls but can then run fine. I have changed filter. Have found once pumped hand...
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  Why does my Rover 75 keep cutting out? 8 Nov 2014 (Ask HJ)
  My Rover 75 broke down recently. I had the alternator replaced and it ran for a few days, but cut out and would not restart. I was told the fault was a...
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  Volvo XC70 won't start 13 May 2014 (Ask HJ)
  My Volvo XC70 D5 (2010) Auto continually refuses to start. I have had a new fuel pump fitted, but the problem persists. The car is back with the dealer...
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  Windows down or air con on? 25 Jul 2012 (Ask HJ)
  My 60 Nissan Micra has air conditioning. I am told that using this dramatically increases the fuel consumption. I am also told that having the windows...
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  Diesel smell from Ford Galaxy 31 Oct 2011 (Ask HJ)
  I have another problem with my Ford Galaxy 55 plate. I have a slight smell of diesel when the car is running or has run. The smell is most noticeable nearside...
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  Cruise control - what effects does it have on fuel consumption? 19 Sep 2010 (Ask HJ)
  I have recently purchased a car with cruise control. What are the pros and cons of using this with regard to fuel economy. Will I gain or lose driving...
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  Using premium fuel in my Volkswagen Passat has improved fuel economy and burns more cleanly. 10 Jun 2010 (Ask HJ)
  For a while I had been sceptical about the benefits of using higher quality fuel opposed to cheaper supermarket grades. Now that I have been using Shell...
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  Can tanker us 20 Mar 2010 (Ask HJ)
  I have made a New Year resolution to never fill my tank more than half full. My thinking is that I will be making a smaller interest-free loan of tax to...
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  Controlled substance 19 Dec 2009 (Ask HJ)
  Can you advise me whether cruise control on a long motorway journey is more fuel-efficient than the right foot? I thought that as the fuel is being constantly...