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• Any EV - You think your fuel economy doesn't match claims? 19 Feb 2017 (Forum)
  I was browsing the road test of the new Tesla Model X in Autocar magazine, and happened to notice the disparity between Tesla's claimed range, and the...
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  Can I make my own premium fuel with washing up liquid? 30 Nov 2016 (Ask HJ)
  Premium diesel is about 70p more per gallon and one of the additives used to formulate it is detergent. Would it be a good idea to add washing up liquid...
• vauxhall corsa 1.7 Cdti ecoflex sri vs 1.3 version - Best for fuel efficiency diesel corsa 2 Sep 2014 (Forum)
   I am looking to buy a new or fairly new corsa. Changing from a 1.2 petrol 2008 design to diesel.  I drive mainly motorway and also some...
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  Which estate is best? 13 May 2014 (Ask HJ)
  Which is better as a used car for £15,000: a BMW 5 Series or a Volkswagen Passat for £15,000? Also, should I buy a petrol or diesel?
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  Smoky Skoda Octavia - what's wrong? 2 Aug 2013 (Ask HJ)
  I have 2003 skoda Octavia diesel that blows smoke on start-up. Any idea what's wrong?
• Audi a4 electrical issue 12 Jan 2013 (Forum)
  i trried running 12volts straight to the pump but it did nothing, i had expected it to pump some fuel, is the pump also dead? cheers chris
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  DPF warning light flashing 12 Jan 2013 (Ask HJ)
  Is DPF flashing light failed for MoT?
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  Is there an Esso equivalent of Shell V-Power? 2 Oct 2012 (Ask HJ)
  Is there an ESSO product that is equivalent for Shell V-Power for both petrol and diesel?
• Nissan Primera III - Sudden power loss 16 Dec 2011 (Forum)
  Hi all, I just wanted to report a fix for the sudden loss of power problem, you know the thing, your driving along and suddenly the car losses power it still works but it's almost as if the car has gone into a "limp home" mode, switching the engine on and off "solves" the problem, for a time anyway, Nissan wanted £1,200! for a new fuel pump, but  the culprit  (in my case) is a fuel flow regulator valve, fixed by my mechanic for £50.
• Skoda Octavia - black smoke and high consumption 9 Nov 2011 (Forum)
  hi , can any one help me plz i have1998 skoda octavia 1.6 aee engine code it has 170000 km in good condition but it has one problem it has a black smoke from the tail pipe and a  high fuel consumption  i changed the engine control unit , spark plugs ,timing belt , water temp sensor , fuel and air filters but still have the same problem i dont know what to do
• Carburated petrol engines - Cold starting additive/petrol octane 29 Nov 2010 (Forum)
  Hello all, Couple of quick questions!  - Is there a fuel additive that will help engines start in colder weather?  'Dry fuel' doesn't make much difference. I remember reading about acetone on here a long time ago, reckon that would be any use?
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  1.8 ford deisal engine 2 Oct 2010 (Ask HJ)
  Recently put this running engine in my Escort van. However it will only run if you keep priming it, changed solenoid to a single, changed fuel housing...
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  Which small diesel hatchback for good fuel economy? 25 Aug 2010 (Ask HJ)
  I am considering buying a small diesel hatchback of 3-5 years old for lower tax and higher mpg. Do you have any recommendations?
• Ford Focus II (2004 - 2007) - 05 1.6 excessive fuel consumption 5 Feb 2010 (Forum)
  I have a Focus estate 1.6 zetec 55 plate, bought it in July last year and was happily getting 39mpg , now only getting 33.5 mpg..is this simply down to...
• Petrol station - reluctance to serve 26 Nov 2009 (Forum)
  Got to station found it had a closed sign but there were taxis filling up at the pumps, so i parked the van up in line and the attendent said no fuel were empty! Still this guy is filling up the taxi so i said either serve me or it's trading standards in the morning i got fuel but what a snip cheek. snip
• Ford Mondeo III (2000 - 2007) - 02 2.0 tdci fuel injector change 7 Oct 2009 (Forum)
  hi all, i have a 2002 mondeo tdci zetec 130 manual, it lacks a little power, though still drives quite well. My mechanic hooked up his computer to the...
• Ford Focus (1998 - 2004) - 02 1.6 heat shield falling off 23 Mar 2009 (Forum)
  They say that it is not really necessary. I am worried because it protects the fuel tank. Has anyone else come across this please?
• Volvo V70/XC70 (2000 - 2007) - 06 2.4 Engine cutting out 1 Mar 2009 (Forum)
  Car parked on sloping drive facing downhill when engine just cut out. Recovery man simply wheeled car onto level bled the fuel line and off we went. He claims that he had a number of such incidents and it was to do with the low fuel level ( there was 22litres in the tank)and the car on an incline which caused the engine to gulp air.
• Filling up when the tank is still half full 15 Aug 2008 (Forum)
  Because I'm obsessively cautious I normally fill up when the gauge gets down to half full. However, it recently occured to me that this meant that I was never getting a full tank of fresh fuel and that a proportion of the tank's contents will now be 5 years old. What effect, if any, will the practice of filling up like this have? (Ignore the fact that for a lot of the time I'm carrying around more weight/mass of fuel than is strictly necessary.)
• Honda CR-V II (2002 - 2006) - CRV Diesel fuel economy 14 Apr 2008 (Forum)
  I would be interested to here of others thoughts in respect of mpg numbers for a CRV oil burner. Am looking to buy and use for 600 miles per week and...