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  Starting problems with diesel 4 Jul 2015 (Ask HJ)
  I live in Spain and in winter months (below 10ºC) the first time I try and start my 2.5CRD Voyager it takes me cranking for about 10 seconds. It usually...
• Re: Help - Wrong fuel!! 14 Dec 2005 (Forum)
  I put £4 worth of unleaded into my boyfriend's diesel Golf TDI S reg today. Petrol attendant told me it would 'probably' be ok to top it up with diesel and let it run for a few minutes to burn off. It ended up with £40 diesel to £4 petrol and has run fine for a 200 mile return trip.
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  Can I clarify how biofuels are processed? 28 Apr 2012 (Ask HJ)
  I read your explanation regarding the emulisification of biofuels and think you have mixed up the two major fuel types: Bioethanol (ethanol from a biological...
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  Why has Shell's 'fuel saver' diesel increased my Chevrolet Cruze's consumption from 29.4mpg to 27.86mpg? 3 Apr 2011 (Ask HJ)
  I have now run a Chevrolet Cruze diesel auto for over one year. Since Shell introduced "Fuel saver" diesel, my consumption has increased to 27.86 mpg average...
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  Hyundai i30 diesel fuel pump failure 25 Feb 2016 (Ask HJ)
  I own a Hyundai i30 (2007 model) with a 2.0-litre diesel engine. After a major service at a main dealer an advice note came back that the fuel pump was...
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  Contaminated fuel 26 Dec 2015 (Ask HJ)
  I recently took my 2008 Jag XF for a routine service at a main dealer who reported a problem with the injectors. On removal the diesel was found to be...
• problems with fuel sender - Fiat Ducato 24 May 2006 (Forum)
  My theory is the tank was not changed which is causing problems with the fuel properties Diesel more dense than Petrol. This is only a guess. Has anyone got any ideas please? Thanks. Mike.
• Honest John’s Motoring Agony Column 24-06-2017 Part 2 26 Jun 2017 (Forum)
  Did he fuel it by using his own canister? Perhaps he was using red diesel or something like that - an extremely expensive error!
• Ford Escort 1.8 diesel - Diesel fuel tank vacuum 17 Apr 2011 (Forum)
  Hi, some of you may remember I had a fuel supply issue which was fixed with the addition of a one way valve stopping back draining probably due to an air leak in the non Ford primer pump/filter assembly. Just recently, I've been having a few starting problems and noticed a large inrush of air when removing the filler cap, so obviously a vacuum is being set up.
• Delphi #9320A224G - Test Spec for Delphi Diesel Fuel Injection Pump 29 Aug 2010 (Forum)
  Does anyone own the Delphi Direct Evolution software?  I need the test spec and timing information for this today and it is Sunday.  I will...
• Citroen C5 (2001 - 2008) - fuel particulate filters diesel 9 Nov 2005 (Forum)
  hello, Anyone out there had the same problem as me? Warning light appearing on dash, dealer says fluid low in the particulate trap. The only remedy is...
• FIAT Tipo (1988 - 1995) - fueling adjustment 22 Apr 2002 (Forum)
  Any one got an idea how to adjust the fuelling on a tipo diesel I don't want to take it to a garage as the cost will be high. Injectors etc all check out...
• Mercedes motor home 2.4 diesel 1988 - Non starter 15 Oct 2015 (Forum)
  Vehicle ran ok for about 2.5 hours then started to miss then cleared for about 10 miles then started to miss again then stopped completely , I have replaced fuel filter primed system at diesel pump I cracked injector pipe at injector although there is fuel there not sure of pressure can you advise thank you Terry
• Peugeot 106 (1991 - 2002) - 95 1.4 Diesel Fuel Shut Off Solenoid 9 Jul 2009 (Forum)
  I have a slight but steady diesel leak coming from the solenoid on the pump.it appears to be weeping from the top of the solenoid, the crimped part. How...
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  Can premium fuel prevent a DPF from clogging up? 29 May 2020 (Ask HJ)
  I have read that buying premium diesel will help prevent the DPF from blocking up as it has additives in it. Is this true or am I wasting my money?
• Ford Focus - 2002 Ford Focus 1.8 TDCi - Diesel Fuel Pump 12 Feb 2012 (Forum)
  Hi,   The above car has been diagnosed with a failed diesel fuel pump @ 90k. Does anyone know the approximate cost of repair and how much needs replacing? I have read that the injectors may well also need replacing due to metal being released when the pump failed and that this, along with the fuel pump, will make it an expensive job.
• Diesel Escort 95 Fuel problem 24 Aug 2004 (Forum)
  Now (parked pointing uphill) the engine will start (after a lot of cranking) but stops practically straight away (there is half a tank of fuel). I tried pumping the little button above the fuel filter (I think Richard W gave advice on this before) and instead of being hard, was pumpable for at least 10 seconds. Does this mean there is an air leak?
• Honda FRV - fuel consumption query 22 Feb 2011 (Forum)
  We are a 2 car family, one owned, one a fleet car.  Sad I know, but I watch the fuel consumption of both cars.  Recently, I filled up the Honda with a  tank of diesel at a local supemarket.  I calculated that the fuel consumption had dropped about 10%.  I put this down to a few short trips recently.
• Vauxhall Zafira A (1999 - 2005) - 00 2.0 Dti - ran out fuel - how do I prime it ? 26 Oct 2013 (Forum)
  If my diesel car ran out of fuel, how do I prime the pump to get the new diesel through? Also, cleaning it today, I have seen a couple of plugs (green and yellow) under the front seats. What are these and are they used for anything?
• Ford Focus Estate diesel tdci 1800 - engine stops and cuts of fuel on breaking hard 27 Jul 2012 (Forum)
  Hi has anyone heard of this problem, occasionaly when i break hard say exiting the motorway the engine completely stops and refuses to restart as if no...