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• Mazda 6 Diesel 25 Apr 2003 (Forum)
  I know the Mazda 6 is good etc... but does anyone know who makes the oil burner for it? Is it the ford unit from the new mondeo? or maybe the new joint ford PSA diesel, or something else. If it is the Ford, does it have the same doddgy injection system and up and down fuel economy like the Mondeo?
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  Does my Volkswagen have a DPF? 29 Oct 2013 (Ask HJ)
  I have recently moved from France to Guernsey and from reading your Daily Telegraph column am concerned about potential DPF problems due to low usage....
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  Choosing petrol or diesel for fuel economy 2 Dec 2011 (Ask HJ)
  I own a 2004 Renault Scenic Expression DCi 86 and i'm looking to replace with 2011 Scenic with similar performance. My annual mileage is now reduced from...
• CR Diesel Nightmares. 9 Nov 2006 (Forum)
  So I thought I would mix in some cheap 20w 50 engine oil in with my diesel fuel at a ratio of about 100:1 as diesel is already a reasonable lubricant. The oil will just burn in the same way as the diesel once it has done its lubrication work having passed through the low pressure pump, high pressure pump & then the injectors.
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  Is Shell V-Power fuel really worth the extra money? 1 Mar 2017 (Ask HJ)
  I notice that Shell V-Power unleaded at 99 RON octane is now sold at a 9p per litre premium at my local garage, compared to standard Shell unleaded 95...
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  Why does my car stall when I slow down? 19 Aug 2020 (Ask HJ)
  I have a 2010 Subaru Forester diesel. It sometimes stalls when I'm slowing down. My local garage cannot find a fault. I started using Esso supreme diesel...
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  What is the best non diesel car with a higher seating position? 9 Jan 2017 (Ask HJ)
  We have a 2015 automatic, 1.6 Volkswagen Touran TDI. It's driven approximately 8000 miles per year. Bearing in mind that we are in our seventies, what...
• BMW 3 Series E46 320d SE - Diesel Contaminated with petrol from Morrisons 2 Apr 2014 (Forum)
  Hi Everyone New to this Forum.  I was wondering if anyone had had any problems with diesel fuel from a Morrisons filing station?   My car was nearly empty and running fine.  I filled to the brim £76.23 on 8th March, I have the receipt stating 'Diesel'.  2 days later my car started to misfire badly, I couldn't get it to a garage within 2 days and I was going away for a week after that, so 2 weeks elapsed between me filling and the garage telling me I had petrol in my fuel tank and a lot of damage had been done.
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  Petrol or diesel Avensis 30 Jul 2011 (Ask HJ)
  I am thinking of buying a Toyota Avensis d4d tourer. I do about 12k miles a year, of which, maybe 4k on motorways. With all the problems I've read about...
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  Buying a used X5 8 Jul 2011 (Ask HJ)
  Live in South Africa, second hand X5, between 80-100k kms on the clock, fuel cost not an issue but I`m worried about DMF & Turbo`s. Should I go with petrol...
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  Is 38mpg about right for my Ford Mondeo Titanium? 2 Aug 2010 (Ask HJ)
  I have a Mondeo Titanium X 2.0 TDCI (130) doing an average of 38mpg on Tesco diesel. I have looked on your car-by-car guide but cannot find any information...
• Vauxhall Vectra C - vectra dti fuel problem 28 Mar 2012 (Forum)
  hi still got fuel problem i put £10 of diesel in andonly got 47 miles on a run just wondered if changing thermostat and coolant temp sensor and vac pipe  will make that much difference , i have serviced it about 2000 miles ago to see if that made any difference but it didnt, hope somebody can help thanks
• 407 hdi sw - 407 hdi fuel/starting problem 12 Feb 2012 (Forum)
  Hi My 407 2.0 hdi only starts properly when i have given the primer bulb a few squeezes(it does start without the primer but takes a lot of cranking) once started its fine and drives very well with no problems, could this most likely be a fault with the seal in the fuel filter?, there is no smell of diesel. al
• Wrong Fuel - [Read Only] 6 Oct 2009 (Forum)
  I've just put unleaded into my diesel, the company who sorted me out told me of a new website snip who insure againnt the cost, and if you wrong fuel you become a member of the snip again who donate money to charity. I wish I had known about this first it would have saved me £180!!
• Fuel price differential 17 Oct 2006 (Forum)
  I've never been able to understand people going seriously out of their way to pay 1p less per litre for fuel, but this afternoon the BP garage on one side of the road was selling diesel for 94.9p per litre (and it's on the way out of a retail park), and the Shell garage on the other side had it at 89.9. 22.5 p per gallon less!
• Fuel enhancers 26 Feb 2002 (Forum)
  Hi all a quick question, i recently used "ZX1 Extralube" in my fuel tank (stupidly putitng in 100ml instead of 50ml) since which the car has lost power on acceleration. This is an intermittent problem which comes and goes, i am still on the same tank of diesel too.
• SEAT Ibiza ST Reference 1.6 diesel - Fuel economy 2 Jul 2011 (Forum)
   Living in Spain, we thought that we would look at the "local" manufacturer but before doing so we hired several cars - Seat Ibiza, Renault Megane, Citroen C3 and C4, Fiat Punto Eco, Ford Focus.  All diesel.  In May this year, after considerable deliberation, we purchased a Seat Ibiza ST 1.6 diesel.  With varied driving conditions - short journeys plus motorway trips of 200kms+, we have used: 40.7 litres diesel over 748 kms; 38.6 litres diesel over 718 kms; 42.1 litres over 789 kms.
• When was ‘peak petrol’? 27 Jan 2024 (Forum)
  Seems to be a consensus of opinion that ‘peak diesel’ was the early 2000s. Common rail or PD injection systems that give relatively quiet running, easy cold starting, plenty of torque, tall gearing, decent fuel economy and none of the emissions related DPF and AdBlue problems that blight newer diesels.
• Vauxhall Zafira - Zafira Diesel Starting Probs 4 Jan 2011 (Forum)
  I'm out of idea's now and hoping someone can suggest something else. I'm wondering weather could be fuel pump ECU???? Help Me Please!!!!
• Vauxhall Corsa B (1993 - 2000) - 1999 1.5 diesel. Difficulty starting when cold 14 Aug 2008 (Forum)
  A friend of mine has a 1999 vauxhall corsa 1.5 non turbo diesel.The problem has been trying to start from cold.When he trys to start the car from cold when it has been left over nite it will not start.He has checked that there is fuel at the injectors but if he fills the pump up with diesel manualy it will start.All the glow plugs have been checked and are working fine. Can anyone offer any info on the pump..like when it is turned off does it still hold fuel in the pump or does it return back into the tank...sorry if this seems a bit vauge but i'm getting the problem via second hand info.