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  Best used small car for £5000? 27 Nov 2014 (Ask HJ)
  I am looking to buy a used small car for around £5000 that will last me for some years to come. I would like the best value for money and would be much...
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  Petrol in a diesel Focus - how much damage has been done? 5 Oct 2014 (Ask HJ)
  I went to pick up a Ford Focus 2012 diesel from the garage only to find it had been filled it up with three gallons of petrol. It went for five miles then...
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  Which reliable estate should I buy for my wife, and should I buy petrol or diesel? 16 Nov 2013 (Ask HJ)
  I am looking to buy my wife a better car. This needs to be an estate due to the fact we have two children and a dog. I have a budget of £4000 and am wondering...
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  Petrol in a diesel engine - is this good advice? 19 May 2013 (Ask HJ)
  I stupidly put petrol in my almost empty diesel car - about £3.50 worth before I realised. The 70 litre tank was almost empty. I didn't switch on the...
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  Should I buy a Ford Fusion 1.4 TDCI 18 May 2012 (Ask HJ)
  The fuel economy, low cost tax and relative cheapness of the ford fusion 1.4 diesel has my interest. I could afford an early one at nearly ten years old...
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  Should I use V-Power diesel in my Volvo V70 to avoid DPF problems? 21 Jan 2012 (Ask HJ)
  Can you tell me if I am less likely to have particulate filter problems this winter if I always use Shell V-Power diesel in my new Volvo V70 2 litre D3?
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  I intend to buy a Toyota RAV4 - is the CVT gearbox reliable? Should I buy the petrol or diesel? 22 Jun 2010 (Ask HJ)
  Can you advise on the new Toyota RAV4 transmission please? I am currently torn between the petrol and diesel models with automatic transmission. I think...
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  Fuelling discontent 16 Jan 2010 (Ask HJ)
  I have recently purchased a 2009 Audi A3 TDI 3-door 1.9 diesel and have a problem when refuelling. The nozzle of the garage diesel pump is too large to...
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  Eco worrier 17 Jan 2009 (Ask HJ)
  I have just bought a 2004 manual BMW 320 diesel ES Tourer. I switched on the computer at the start of a run largely in 6th gear of 130 motorway miles....
• Bad diesel???? 24 Aug 2005 (Forum)
  Unusual because it was always willing to pull well when running at 80 mph earlier in the day. Questions are: Does the premium fuel have anything that could cause this? (unlikely). Is it likely that normally nobody else will pay such an extortionate price in France for diesel and this fuel has been sitting in storage for months?
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  petrol in a diesel car 17 Aug 2012 (Ask HJ)
  I have inadvertently put just 15 litres of unleaded into a diesel car and having realised my error did not drive the car. Although no damage was done...
• Why diesels are better..... 22 Jan 2010 (Forum)
  A snippet from an article I just read about diesels: "Diesel engines function differently from petrol engines. They do not have complicated electronic fuel ignition systems. This eliminates the potential for failure, and improves reliability, reducing associated repair costs."
• End of the road for Diesels ? 26 Feb 2006 (Forum)
  Are all diesel engines manufactured like this now or is it just Pugs? If the economy is being eroded and the cost of having additive topped up is quite expensive, does this mean its the end of the road for diesel cars?
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  Need a large car with good fuel eocnomy 10 Oct 2016 (Ask HJ)
  I am looking for 2.0-litre diesel car with 150PS. I need good fuel economy and impressive handling from the car. What should I get from the: Mazda6, Skoda...
• 2011 SEAT ALTEA XL SE CR TDI ESTATE - Seat Altea XL fuel pump needs replacing at 27K 13 Jun 2015 (Forum)
    I took the car in for a service as I had done just shy of 10K miles, its now on appx 27K. I was quite shocked to find out that the diesel fuel pump needs to be replaced at a cost of appx £1200, with the part costing £722. I looked up the part and it is very expensive. http://www.commonraildiesels.com/product_info.php/seat-alteaxl-tdi-new-bosch-diesel-fuel-pump-0445010507-p-1543 My question is can I go back to the delear to contact the manufacturer of the component part  because surely this should not fault at such a low mileage.
• Toyota RAV4 - Fuel contamination; how common is it? 30 Jul 2013 (Forum)
  Initally I feared that a return of my engine repair woes had resurfaced (see here http://www.honestjohn.co.uk/forum/post/index.htm?t=101494), but after turning the interior of my car blue I realised I had just put 30 litres of diesel in the car not more than 5 minutes / 2 miles earlier. I drove straight home (another mile and a half) and wonder what your thoughts are on; The likelyhood of contaminated fuel (receipt confirms 28.39 litres of diesel) It being linked to the previous engine issue (none of the previous signs and symptoms present) It being ompletely unrelated and I'm barking up the wrong trees :-) My dilema is now what to do in the morning.
• Any - Fuelish nonsense 10 Sep 2012 (Forum)
  Diesel: Megane 1.5 DCI   Measured Cetane number Wheel hp fuel economy BP low sulphur             54.0                                       73.3         44.1 BP Ultimate                   54.8                                        72.7         44.0 So the Super diesel performed 'worse' than the standard one (probably due to variability of the dyno).
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  Rip off Britain? 11 Feb 2011 (Ask HJ)
  I have just returned from Tenerife, a Spanish island in the Atlantic, miles from anywhere. Diesel fuel is 0.844 cents per litre or about £0.75 pence per...
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  Why doesn't my new Opel Astra doesn't achieve the quoted fuel economy figures? 10 Sep 2010 (Ask HJ)
  My new Opel Astra 1.7CDTI SE (110) is still heavy on diesel with over 13,000km on the clock. The manufacturer quotes circa 61mpg, whereas I am lucky...
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  My Ford Mondeo screeches under acceleration - why? 16 Aug 2010 (Ask HJ)
  I have a Ford Mondeo 2-litre TDCi. I put some V-Power fuel in it last week and it started belching out black smoke and misfiring more than usual. On further...