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• most economic older 7 seater 1 Oct 2011 (Forum)
  £1500) just to use for my childminding. I know I will only gat around a 2000 plate. So I was hoping for advice on the one with the best fuel economy, tax, insurance etc, and if Theres anything bad I should avoid like the plague. I've had a cursory glance and ones that keep popping up are sedona, serena, scenic, zafira, peugeot, I've only looked ar diesel.
• Audi A6 Saloon - Fuel Injectors 9 Jun 2011 (Forum)
  Please please please help, I am the owner of an A6 that has had the usual oil pump failure problem, but this has gone onto further issues, after not going...
• Honda Jazz - Good long termer? honda jazz 26 Oct 2010 (Forum)
  Should add that I am wanting to save some cash on running costs so perhaps my first point is academic! Also been looking at the 1.6 focus, but dont think that its much better on fuel than my 2 litre, so apart from being newer, not much advantage. I do fancy the diesel 1.6 but being put off by all the horror stories on net about impending large bills from failing turbo, injectors, fuel pump, dmf, etc!!!!
• Vw Passat 1.9TDI 52 reg - Car not starting 29 Aug 2010 (Forum)
  Just recenly the car will start from cold but not  once warmed up AA sprayed easy start into air intake and car started first time,been in garage for 2 days now and they cant find the problem plenty of diesel from the pump but it is not getting to the injectors. There are no blockages within the fuel filter which is new but the car doesn't seem to have any fuel for starting only when running. Can't find any air leaks and or any crimped pipes.
• Ford Mondeo III (2000 - 2007) - 02 2.0 fuel injector no good, should i buy 1 or 4? 27 Oct 2009 (Forum)
  my 02 mondeo tdci 130 (75k) has fault code p2337, the glow plug light flashes, its running on 3 cylinders it seems, noisy on idle and underpowered, though...
• Peugeot 106 (1991 - 2002) - 94 1.4d lack of power 17 Sep 2009 (Forum)
  The oil and water seem clean. I've drained the fuel filter and tried again with the air box off. It starts up very well and the engine is very quiet (compared to a 306 1.9d with 165k anyway) I've got a new fuel filter and air filter in the post. The brakes are not dragging, I've checked each wheel.
• Worst excuse from a mfr/dealer/tech 17 May 2007 (Forum)
  What's the worst / most implausible / most outrageous nonsense you've been fed by a manufacturer, dealer or mechanic? Mine has to be when I ran out of fuel in a 2001 406 2.0 HDi. The computer was still showing a range of 20 miles, and when I added a gallon of diesel, the thing went haywire, went into a sulk in ECO mode and then died completely. It ended up having to be recovered to the local Peugeot dealer.
• Road Pricing 22 Mar 2006 (Forum)
  If our esteemed government is really serious about cutting congestion and not about raking in yet more stealth tax,then I propose the following simple remedy which will cut congestion and emmisions. Ration Fuel. All drivers will be allocated fuel vouchers. UK trucks that carry freight will obviously be allowed more. This would mean that the small efficient cars would do more miles,as would diesels. Of course this will never happen because we all know that all measures taken by the government to sort out congestion etc,are just a smokescreen to relieve the motorist of yet more money.
• getting finer injection spray 12 May 2002 (Forum)
  Now ever higher injection pressures are used to obtain better combustion more power and lower emissions, eg diesel engines with common rail and unit injector pumpe duse technology. Some gas turbine fuel injectors use vibration from piezo-electric vibrators to obtain a smaller fuel size droplet and hence enormous emission reduction benefits.
• 
  You're wrong about the effect of coasting on fuel economy. 29 Aug 2010 (Ask HJ)
  Twice in the past year you have answered a similar question to 'is it economical to coast in neutral down hill'. Both times your answer is wrong! Of course...
• Kia Sportage 1.7 diesel. - More frequent DPF regens. 30 Apr 2024 (Forum)
  Any ideas what's causing this? The engine runs fine but i did notice that in the 30 mile journey on the motorway the fuel consumption was about 5 mpg lower than normal.    
• Kia Rio 1.2CRDT - Kia Rio diesel real mpg? 11 Jun 2021 (Forum)
  Is anybody to have owned the smallest diesel engine Rio on the market? I am think to buy this car, I have taken a test driver I like the car, I am aim to buy the most fuel efficiency rather the performance for my long driving to work as I am self-employment take medical tablets etc. to the hospitals in Southern of England, which I am average 120-190 miles per day.
• Eco Cars in General - Cars with Low CO2 benefits 9 Sep 2014 (Forum)
  I'm trying to figure out the benefit to the environment (if any) of buying a second hand diesel car over the same model with Petrol. If (for example) the the diesel does 45 MPG and the Petrol 25 MPG then obviously you will personally be consuming less fuel / producing less CO2 with the diesel.
• Citroen C5 1.6HDi to Citroen C3 1.4HDi - From a 1.6HDi to a 1.4HDi - thoughts? 6 Jun 2013 (Forum)
  Now I drive around 30-40 miles a week and no regular long drives. I live on one of the Hebridean Islands and fuel is very expensive (£1.65 average per litre of diesel) so I'd prefer to get another diesel car - and, it seems that the equivalent size diesel drives better than the petrol. I'm wondering what it'd be like to go from a 110bhp 1.6HDi to a 70bhp 1.4HDi, bearing in mind that the C3 is 500kg lighter than my current C5?
• Ford Focus - Focus 2007 1.6 diesel longer to start after server 19 Apr 2012 (Forum)
  I took my 2007 Focus 1.6 diesel in to a local garage for a 75000 mile service this week.  After picking it up, its noticeable that it takes significantly longer to start - used to catch as soon as you turned the key, now it takes maybe 1-2 seconds of turning over before it catches.
• Peugeot 306 1.9 D Turbo - 306 1.9 Diesel Turbo - Priming pump 14 Aug 2010 (Forum)
    I don't normally try my hand at much beyond routine servicing (though at 212,000 miles I must be doing something right!) so I'm not keen on re-arranging fuel lines to accommodate this pump unless the problem worsens.  Has anyone replaced one of these pumps, and if so, do you have any advice?    
• Citroen Relay (04) HDI - Citroen Relay van power loss/diesel leak 5 May 2010 (Forum)
  Sounds like some kind of starvation? fuel/air? Can hear turbo whistle, so assume it's fine? Please help - need van for work and dealer here is useless! Thanks, mark
• Ford Mondeo III (2000 - 2007) - 05 2.0 TDCi - Change it or keep it? - comments wel 14 Apr 2008 (Forum)
  Noticed advice on the perennial Mazda 6 diesel thread, to a guy who has bought a Mondeo - "get rid of it before the warranty expires", but remember earlier on the original Mazda 6 diesel engine failure thread 'Screwloose' saying that only a small percentage of TDCis give trouble but in his experience every Mazda6 diesel will come to grief given time.
• Forte diesel engine treatment 31 Mar 2007 (Forum)
  Having been given a jar of Forte's "Advanced" diesel treatment and quite willing to try it and see what happens I would still be interested to hear the views of anyone who has actually used it and come to a conclusion one way or another. I would much prefer to hear opinions from users (if any) rather than speculate on the psychological effects of the firm's advertising, or placebo effects, or the fact that it claims to be good so it can't be.
• 95 1.8 Diesel Fiesta bad starting 18 Mar 2005 (Forum)
  My 1995 MK3 diesel Fiesta has been a bad starter from cold, so I invested in 4 new NGK glowplugs a couple of weeks ago and it is still just as bad. It turns over fine and will go after about 15-20 secs emmitting a cloud of smoke when it fires up.