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  Fuel consumption test? 19 Nov 2015 (Ask HJ)
  For the last 18 years, I have kept a record of fuel consumption in a spread sheet of the cars I have driven, from 1997 to 2002 when I drove company cars....
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  Power loss and white smoke on a Ford Mondeo 4 Sep 2012 (Ask HJ)
  I have a problem with my Mondeo when the temp reaches halfway the engine starts cutting out as if no fuel is getting through, it eventually stalls, but...
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  Rover 200 2 Oct 2010 (Ask HJ)
  Our Rover 'V' reg 200 diesel car started to stutter occasionally soon after a new fuel tank was replaced at a local garage. It usually jerked twice within...
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  Does my 2004 Ford Fiesta have a fuel pump fault? 23 Jul 2010 (Ask HJ)
  I have a 2004 Ford Fiesta 1.4 petrol which has developed an annoying problem. While driving, it has an intermitting problem of pulling back as if it was...
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  What petrol gives the best MPG? 7 Nov 2022 (Ask HJ)
  Do you know of any research comparing the mpg obtainable from different fuel brands? My local fuel garage has changed to a lesser-known brand and I feel...
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  Trouble starting a Volvo V50 diesel 14 Jun 2012 (Ask HJ)
  Volvo V50 2-litre diesel has a fuel pump that is more of a suction pump mounted on the engine after the fuel filter. If air gets into this line then the...
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  Diesceased 4 Apr 2009 (Ask HJ)
  I filled up my 2007 Mondeo TDCI with diesel as usual. Over a period of 4 days, including long distance motorway, running I experienced a number of issues....
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  Deteriorating fuel consumption - what can I do? 21 Jan 2014 (Ask HJ)
  The fuel economy with my Nissan Qashqai has worsened significantly since the car’s three year service. Car has done 19000 miles in three years and the...
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  What's causing such poor fuel economy from my 2001 Ford Mondeo? 18 Aug 2010 (Ask HJ)
  I have a 2001 Ford Mondeo Ghia x2.0. When I first got the car over a year ago I was averaging 35-40mpg around town and 45-55mpg on the motorway. Recently...
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  Buying a fuel efficient family car 5 Mar 2011 (Ask HJ)
  What are the best, extra urban mpg, used family cars?
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  Where's my Vauxhall Vectra's fuel pump? 19 Aug 2010 (Ask HJ)
  Can you please tell me where the fuel pump is located on my 1998 Vauxhall Vectra please?
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  Accelerator problems with a Hyundai Getz 17 Jan 2013 (Ask HJ)
  Intermittantly the accelerator ceases to function on my Hyundai Getz and the car just chugs along, then all of a sudden acceleration kicks in. Had the...
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  Is premium fuel worth it? 5 Feb 2012 (Ask HJ)
  I have recently bought a BMW 120i convertible (having reached that time of life!) and was wondering what difference Shell V-Power fuel would make as opposed...
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  How do I check if the fuel pump is working? 26 Feb 2011 (Ask HJ)
  How do I check the fuel pump is working e.g pressure without a gauge?
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  My Audi A4 has a fuel leak - should Audi contribute to repairing it? 9 Sep 2010 (Ask HJ)
  My three-year-old Audi A4 Cabriolet has developed a fuel leak somewhere low down behind the engine. Is this a known fault and am I likely to persuade Audi...
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  How do I change my 2005 Ford Focus' fuel filter? 2 Sep 2010 (Ask HJ)
  I'm trying to change the fuel filter on my 2005 Mk2 2.0 TDCI Ford Focus. Do you have any information?
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  Will LPG be phased out? 14 Oct 2022 (Ask HJ)
  What has happened to the Autogas/LPG in this country? I used to convert my new car to Autogas since 2000 but looking at number of garages selling the...
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  Is supermarket fuel inferior to petrol station fuel? 30 Nov 2013 (Ask HJ)
  It was recently suggested to me that fuel obtained from supermarkets is inferior to that obtained from filling stations and service areas and is “diluted”...
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  Fuels unto themselves 5 Oct 2011 (Ask HJ)
  In your column on Saturday, October 8th you made mention of supermarket petrol. What is wrong with it? And is diesel affected as well?
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  What could be causing this fuel supply problem with my Honda? 10 Feb 2011 (Ask HJ)
  Our car was pre-registered but had only four miles on the clock when purchased. It had been left on the forecourt, presumably in the cold, but gave no...