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• mondeo diesel 2.0DI (115bhp) 23 Feb 2002 (Forum)
  Has anyone else bought a new Ford Mondeo diesel 2.0DI (115bhp duratorq engine) and been disappointed with the fuel return when compared with the fuel returns quoted in various magazines and websites? I've done about 4,000 miles in mine from new and and getting a return of 35.5mpg all the time whether I am driving in towns or on motorways.
• Official fuel consumption measurement 27 Jun 2001 (Forum)
  Does anybody know precisely how the official fuel consumption figures are measured? I have seen references to official measurements taken on a rolling road, but this would not take into account variations in wind resistance between different vehicles.
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  Move, over Darling 24 Jan 2009 (Ask HJ)
  I am not sure about this VAT reduction. The rate is reduced to 15% from 17.5% but excise duty on fuel is increased so the normal man in the street will...
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  Mitsanthropic 17 Oct 2009 (Ask HJ)
  My 10-month-old Mitsubishi broke down on the 14th July. I put approx 45 litres of diesel in the car on 12th July and covered 200 miles before it broke...
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  Increasing oil levels with Yaris diesel 1 Feb 2015 (Ask HJ)
  My 2011 Toyota Yaris diesel is suffering from increasing oil levels. It seems that diesel is getting into the sump. The car is still under warranty and...
• BMW 3 Series Coupe - The AA Warranty sold by The Cargiant 27 Jun 2013 (Forum)
  Although I didn't intend to buy a warranty with it, the sales guy persuaded me vigorously by showing a leaflet saying things such as, this a very transparent high quality warranty governed by the Cargiant safeguarding and it is only administered by the AA and if the car develop any fault, such as engine or transmission or fuel system etc. they will deal with it directly and so on... Now after about six months the car has developed some fault to do with the fuel system and they refuse to pay. The BMW specialist diagnosed the problem and need to change the the fuel injectors, injector coils and also spark plugs.
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  Is the road tax system unfair on owners of older vehicles? 2 Nov 2012 (Ask HJ)
  I run a 1998 BMW 318 Touring, owned since new, with a mileage of 128,000. I pay £215 road tax and my annual mileage is about 7000. I feel the charge...
• Nissan Micra 2000 1.4 SE+ - Long Term Fuel Trim 18 Apr 2011 (Forum)
  After the problem did not improve, I had another garage take a look at the car and it was discovered that the previous garage had fitted a universal 4-wire back oxygen sensor to the front! The fuel trim at this point was hanging between +20-23%. Having had the front changed for a legitmate Bosch sensor (part number: 0258005263) and the wiring harness reconnected where it had been cut by the last garage the car seemed to be running a lot better and the fuel trim started reducing (they said it should freefall after a few hundred miles back down towards 0%) and wouldn't need anything else doing to it.
• BMW 3-Series E46 (1998 - 2005) - 2003 2.0d Power Loss - Not usual suspect 31 Jan 2010 (Forum)
  Turbo & CAT replaced at 110 k miles - turbo worked perfectly after replacement - independant garage did the work. 2. Fuel pumps & filter (tank & intermediate pumps) replaced at 125 k miles - independant garage did the work. 3. All 4 injectors & fuel pump relay replaced at 125 k miles - main fuel pump checked and passed as ok - main BMW dealer did the work (4 new injectors & relay switch). 4.
• Ford Mondeo III (2000 - 2007) - TDDi 2002 - Fuel Pump problem ? 7 Nov 2007 (Forum)
  Anyone out there with a view - or more experience with stuff like this....? I have to say the car has been great until now, but if I had known that to fix a fuel pump would cost £1400 - I would NEVER have bought it - guess there's a whole bunch of new questions to ask in future :-))
• Pug 306 HDi Fuel Problems - HELP! 21 Jun 2006 (Forum)
  It was taken to a Peugeot main dealer who diagnosed failed injectors 1 & 3. As a result all 4 were changed as per Pug procedures. The car still would not fuel or run correctly. The fuel pump was changed, as Peugeot said there could be swarf in the fuel system. No Change. I've got the following info from the dignostics machine to see if anyone can help: Diesel Pressure 290 Bar Injector Quantity 14.1 mm3/l Main Injector 1.7 Idle - 6.2 Flat Injector 4 -2.5 Injector 3 +1.9 Injector 2 -5.0 Injector 1 +5.3 The ECU is coming up with the following fault codes: 1404 - PreHeating or PostHeating Control 0201 - Cylinder No 1 injector or circuit - Open circuit or short to Ground/Battery The car is still not running.
• Ford Focus III 2.0tdci ghia - intermittent loss of power 16 Nov 2013 (Forum)
  My major concern is that someone may drive into me when this fault occurs as nearly happened on the M8. it has been back to the local ford dealership, (evans halshaw, edinburgh) where they kept the car for a few days, was taken on an extensive road test, everything was "ok",diagnostic testing showed no fault codes. one of the senior techs questioned the type of fuel used,a fuel sample was taken and was given the all clear,the fuel filter was replaced,engine recoded all at a cost to me,the problem still remains. they have suggested that i shouldnt use cheap forecourt fuel, ie tescos etc, i have since switched to Shell. the problem is still there. the car has been back in since then and now they say the fuel is contaminated, which i take exception to, as i have never filled my car with anything other than diesel. i have asked how this may have happened. they have suggested 2 ways. either the car has run dry, picking up the debris from the bottom of the tank, this has never happened or when i have refueled my car the pump that i have used may have been running low and the gunk from the bottom of that may have entered my tank. both of these i think are far fetched. each time a diagnostic test has been run i am charged as no fault is found. even before they claimed my fuel was contaminated there was a fault, it has undergone the same diagnostic testing each time, so how they have decided this all of a sudden is beyond me.
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  Which secondhand hatchback offers good fuel economy and is able to carry three children? 28 Apr 2012 (Ask HJ)
  I'd like to buy a secondhand car not more than two years old, but I would consider new if I can get a good discount. I would also prefer a hatchback, but...
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  Which TSI engine will be the most efficient? 17 Mar 2012 (Ask HJ)
  I want a Golf hatch, and can't pick between the 85PS 1.2, the 105PS 1.2 and the 122PS 1.4. If I drove each car equally gently; could I expect to approach...
• Peugeot 206 - Peugeot 2.0 HDI Naughtyness 21 Jan 2011 (Forum)
  Hi, Sorry for the rather strange topic title, anyway on Monday I was driving back from work and on my way to my local Tesco station to fill up with Diesel and the fiel guage was reading about a few millimiters above the area where it would normally beep and display fuel low(or something to that effect) I have never intentionally driven my 206 in the reserve for fear of both running out of fuel and also sucking up a load of crap from the fuel tank. Driving along nicely and then the engine management light came on along with a beep and anti pollution fault(which is something that has popped up ever now and then-my 206 does not have a FAP filter system) so I tried to start it and it wouldn't...I had to call the AA in the end which had to tow me back to my house(less than 2 miles away) but before doing so he tried various things like asking the obvious if there was sufficient fuel in the tank etc etc(which there was according the the guage) and upon connecting it to his computer it came back a fault relating to the error code P1112 fuel rail pressure.
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  How do you know if your DPF is regenerating while driving? 4 Apr 2017 (Ask HJ)
  How do you know if your DPF is regenerating while driving?
• Any EV - You think your fuel economy doesn't match claims? 19 Feb 2017 (Forum)
  I was browsing the road test of the new Tesla Model X in Autocar magazine, and happened to notice the disparity between Tesla's claimed range, and the...
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  Can I make my own premium fuel with washing up liquid? 30 Nov 2016 (Ask HJ)
  Premium diesel is about 70p more per gallon and one of the additives used to formulate it is detergent. Would it be a good idea to add washing up liquid...
• vauxhall corsa 1.7 Cdti ecoflex sri vs 1.3 version - Best for fuel efficiency diesel corsa 2 Sep 2014 (Forum)
   I am looking to buy a new or fairly new corsa. Changing from a 1.2 petrol 2008 design to diesel.  I drive mainly motorway and also some...
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  Which estate is best? 13 May 2014 (Ask HJ)
  Which is better as a used car for £15,000: a BMW 5 Series or a Volkswagen Passat for £15,000? Also, should I buy a petrol or diesel?