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• 03 Diesel Fiat Doblo SX - Problem on cold mornings 28 Oct 2010 (Forum)
  In cold mornings, my car starts OK but the engine sign stays on and it chokes along with smoke trailing behind for about 5 to 10 minutes, depending...
• Vauxhall Astra G Diesel (1998 - 2004) - 99 1.7 Injection Pump re-programme 19 Jun 2008 (Forum)
  Does anyone know whether a re-conditioned fuel injection pump for a 1999 Astra TD (gm engine) will need re-programming once fitted? Vauxhall parts guy...
• How to save on Diesel 12 May 2008 (Forum)
  I've been away for a while (as you may have noticed) but back now and Cor!!! hasn't the price of fuel gone up. Phew... Anyway, needed to the fill the...
• 2001 Astra Dti 2.0 trouble starting 25 Apr 2006 (Forum)
  Never had a diesel before any do's and dont's to owning one? Cheers Del
• New car on 1st September 25 Aug 2004 (Forum)
  Now then - how do I run in a diesel? What revs? For how long? etc. etc. It comes full of fuel (unknown brand - probably Tesco as it's nearest to the dealer), but after that I intend to use BP premier cru because you all tell me to.
• Rover 218TD - diesel injector pump 28 Aug 2002 (Forum)
  I have an M-reg 218TD, with 160k on the clock. Yesterday, the injector pump went, and started gushing out fuel on what I've been told, the pulley-side. Anyway,...
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  Mazda 6 Tourer - Why is the fuel economy so poor? 27 Jun 2016 (Ask HJ)
  I'm disappointed with the fuel consumption of my Mazda 6 Tourer 2.2 diesel. I never see better than about 44mpg on motorway runs (400 miles in a weekend),...
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  Should I keep my Mercedes-Benz C-Class' tyre pressures high to improve fuel economy? 7 Sep 2013 (Ask HJ)
  I have an 88,000 mile 2007 Mercedes-Benz C-Class diesel automatic estate, a lovely car. I normally follow the fuel filler flap advice and keep to 32F/33R...
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  Do I need to change my driving technique if switching from a diesel to a hybrid? 16 Aug 2018 (Ask HJ)
  Having driven diesel cars for the last 30 years, I am about to buy a Kia Niro Hybrid. Are there any differences in driving technique? Do I need to change...
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  New Toyota 1.6 D4D engine - is it reliable? 17 Feb 2016 (Ask HJ)
  What is your general opinion of Toyota's 1.6 D4D engine? I hear it is BMW supplied and was wondering does it suffer from any DPF issues? I currently drive...
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  Does the Nissan Qashqai suffer with DPF problems? 27 May 2014 (Ask HJ)
  We have a Nissan Qashquai 2.0 petrol auto which is nearly four years old and is due to be replaced. We love the comfort of the car and would have replaced...
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  Diesel knock issue with my Transit 17 May 2012 (Ask HJ)
  I have a Transit Connect. When it was cold I used to get a diesel knock, so I had all 4 injectors changed and since then the knock has got worse, now it...
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  What's the minimum annual mileage I should cover in my Land Rover Freelander 2 to avoid DPF problems? 16 Sep 2010 (Ask HJ)
  I notice that you have mentioned the need for new diesel vehicles to do a yearly minimum mileage when fitted with a particulate filter. The other week...
• peugeot expert - faulty wiring 10 Jun 2014 (Forum)
  i have a 2 litre van 2000 year.  diesel very hard to start and cuts out when running ( actually moving) had to a garage today and they said it is an electrical problem and i need an auto electrician, fuel does come out of injectors. will this be an expensive job, what do you think it is thats wrong
• Morrison's Biodiesel B30 29 Sep 2009 (Forum)
  This is mentioned in FAQ but the link to the supermarket website is defunct. So, have any more manufacturers (especially VW Group) given ther "approval" to this blended bio fuel? It is hinted elsewhere that some 100% biofuels are OK but why the problem with the 30% blend? All diesels are a 5% blend now anyway by EU edict AFAIK.
• Toyota - 2009 Avensis 2-2 D4D automatic 3 Jun 2009 (Forum)
  Has anyone got any comments on the Avensis 2-2 D4D diesel automatic or the 2-0 CVT !! also what is the fuel economy like on these models and are there any design faults on the Avensis !! I know the electronic handbrake is not very popular Thanks for any comments
• Mercedes C180K or C220D 31 Dec 2004 (Forum)
  I'm looking at new Estate versions of above as opting out of company car. Performance figures are very similar, but obviously the diesel will use less fuel, but it costs £3K more, so doesn't appear to make sense unless it's worth more on resale (prob at 3yrs, 80-90K miles). Any thoughts, anyone?
• Ford Fiesta Mk5 - Ford Endura DE: intermittent starting trouble 11 Apr 2014 (Forum)
  This might cause diesel to return to tank? Even if does so, continuous cranking must start the engine right? But this does not happen. Engine keeps on spinning without diesel. 4) The plunger in the fuel filter housing is tight enough.
• A question about diesel automatics? 17 Jan 2007 (Forum)
  Right or wrong? Also, recommendations of economical diesel auto's most welcome. I'd quite fancy a passat but a combined figure of 42MPG is a bit low.
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  The government should now launch a diesel scrappage scheme to get ALL diesels off the road? 24 Nov 2015 (Ask HJ)
  Based on the results from last night's BBC Panorama programme re the emissions scandal of Volkswagen group, the Government should now launch a diesel scrappage...