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  Why is fuel more expensive at motorway service stations than at high street supermarkets? 11 Jul 2011 (Ask HJ)
  I recently purchased diesel fuel from Messrs Road Chef via their Strensham North outlet located upon the M5 at £1.439 per litre. Incidentally the fuel...
• BMW X3 2.0ltr diesel - low fuel 7 Feb 2011 (Forum)
  help!! I ran my fuel tank low over the weekend( 10mls remaining) and now my enginge is is running terrible. In neutral and at high revs it sounds...
• '96 Fiesta diesel fuel pump 21 Jan 2004 (Forum)
  I'd had trouble starting my car but now it won't start at all. We've changed the fuel filter and glow plugs but it still won't start as the diesel isn't getting thru'. (almost did with lots of WD40 sprayed on it) My friendly mechanic says that it is most likely the fuel pump and says it will need to get to a Ford dealer to repair.
• Vauxhall Astra G Diesel (1998 - 2004) - 98 1.7 Petrol in Diesel Engine 7 Nov 2009 (Forum)
  It smells like petrol in the fuel tank.. What should i do. People have suggested topping it up diesel to the top and then try start it. Any sugggestions? P.S. I tried to siphon it out but that hasn't worked Cheers
• turbodiesels and fuel economy 20 May 2003 (Forum)
  Hello, Does anybody have real life experience of the average difference in mpg and performance between Peugeot HDI turbo diesels and VW/Audi PDI turbo diesels. How do Japanese turbo diesels compare in terms of fuel economy and reliability(toyota/ Nissan). How reliable is the turbo? What is the average engine life expectancy of the engine ?
• Bit of Petrol Fuel in a Diesel Car ? 30 Oct 2005 (Forum)
  Can you advise? Made a big mistake by putting 2 Litres of Unleaded Petrol in a Pug 405 Diesel.(non-turbo) Having realised, I then immediately filled the...
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  Is it worth using an additive in my diesel? 16 Aug 2010 (Ask HJ)
  Do you think diesel additive is worth buying and using? Or would it be better to buy the premium fuel on the forecourts?
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  Best diesel for Jaguar F-Pace? 5 Oct 2016 (Ask HJ)
  I have a new Jaguar F-Pace. Is it worth buying branded diesel,rather than supermarket fuel? If so is premium worth the extra?
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  Toyota RAV4 diesel pump - has it died? 13 Dec 2012 (Ask HJ)
  I have a 2005 Toyota RAV4 diesel with 57,000 miles on the clock. It was running fine, but now won't start. We've been told that it's probably the diesel...
• Comparison of brands of Petrol/Diesel 24 May 2003 (Forum)
  There seems to be a recurring debate as to whether there really is a benefit to the branded fuels recommended by HJ (Texaco & Shell) compared to supermarket...
• Citroen C3 - air leaking into diesel lines 10 Nov 2011 (Forum)
  my car sometimes stops whilr driving along normally and would ot restart.few hours later or next morning car starts normally.had a good look at the engine and disconnected and reconnected all the diesel lines.i suspect there was a leak in the fuel feed line,which works by sucking fuel from tank(there is no pump in the tank) and removing and refitting the lines fixed the problem.is there a kit to change the orings in the quick release fuel line connectors?
• enhancing the lubricity of diesel 17 Nov 2010 (Forum)
  much seems to have been made about the components of common rail injection systems which are lubricated by the fuel itself. i.e. high pressure pump, injectors etc. Seeing as some of the long-running horror stories seem to concentrate on the use of "contaminated fuel" or supermarket-grade fuel - I wonder if there is a product on the market that can be added to diesel to provide additional lubricity?
• Ford Escort (1993 - 2000) - 1999 1.8 Diesel misfire? 25 Apr 2008 (Forum)
  or is it a fuel pup problem?
• Millers Diesel Power Plus 14 Dec 2003 (Forum)
  I know H.J. is a strong advocate of the above product for keeping injectors clean and adding lubricity to the fuel to prolong fuel pump life. Its use has been discussed on this forum sometime ago, but I have run a search and been unable to trace any threads on the subject. As I do a lot of short runs with my diesel, I am considering using this fuel additive and would appreciate any feedback from any users in the B.R.
• bmw 320 diesel - starting issues 1 Nov 2012 (Forum)
  HELP PLEASE i am new to this but need some help. i have a bmw 320 diesel 1999 that wont start. i was driving and the engine cut out as if no fuel. mechanic found no fuel going to injecters so replaced the fuel pump as pressure was very low in pump. it now has fuel to engine but still wont start, tried a new crank senser today but still no good, turns over wont start. diagnostics wont pick anything up as computer thingy wont work. previous to this i had a problem with it losing power on a longer run as if it was gonna stall then blow blueish smoke out and off it went again. it has had a new air and fuel filter thans for reading please help.
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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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  Why aren't fuel pumps designed so that nozzles can't be replaced wrongly? 22 Aug 2010 (Ask HJ)
  Can anyone confirm that all petrol nozzles at a fuel station will also fit in the diesel holder of the pump? Around eight months ago I filled up at...
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  Poor fuel economy after service 6 Jan 2016 (Ask HJ)
  My Vauxhall Zafira 1.7 diesel (13 reg) used to do about 45 miles to the gallon around town but after my last service it does only 38 miles to the gallon....
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  Where can I get test specs for a specific Delphi fuel injection pump? 29 Aug 2010 (Ask HJ)
  I desperately need the test specs and timing information for the Delphi diesel fuel injection pump model #9320A224G. I know I can get this when I purchase...
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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...