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• Citroen Xantia 2.0 HDi - Citroen Xantia, Startup issues 25 Apr 2014 (Forum)
  Car tried to start so didn't think issues with starter motor, glow plugs etc. Will kick in OK using Easystart but cannot get diesel to engine. This led me to believe that the immobiliser kicked in (for some reason) and so this cuts off power to the fuel pump and so no fuel getting to the engine. After unplugging battery, charging it up, removing shunt fuse and then banging the fuel tank (where fuel pump was), I finally got it up and starting.
• Citroen Berlingo Multispace (1998 - 2010) - 2001 1.9 diesel - injector problems! Please help! 12 Jul 2008 (Forum)
  Any Citroen experts out there? I bought a Berlingo Diesel on a 51 plate at the tail end of last year. It has the 1.9 DW8 engine with electronic engine management (Non HDI) and has done around 30,000 miles. I bought it because of the supposed reliability of PSA diesel engines..
• Ford Mondeo - LPG? Forget it! 19 Sep 2013 (Forum)
  So, including the conversion, I've added about £5,000 to the cost of covering 40,000 miles, not counting the aggravation, loss of performance and poor fuel economy. My projected fuel cost for the period would have been £6,750 at today's pump prices had I not done the conversion. My fuel cost at today's prices running on gas are about £4,500.
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  Can you recommend a 4x4 company car with good load carrying capacity? 28 Feb 2022 (Ask HJ)
  I am looking for a new company vehicle. I work in outdoor events - in the summer I am on green field sites across the country and in the winter I’m doing...
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  Misleading fuel figures 16 Nov 2014 (Ask HJ)
  I’ve noticed that car owners are not getting close enough to the stated mpg figures. In my circumstance, I bought a new Audi A4 2.0-litre TFSI quattro...
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  My BMW 5 Series' DPF fault also caused the turbocharger to fail - is this to be expected? 5 May 2012 (Ask HJ)
  I own a 2007 5 Series BMW diesel automatic. The car has a full service history, but is high mileage at 85,000. The DPF light came on and the message said...
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  Hyundai Tucson actuator failure, just out of warranty - will I have to pay in full? 10 Dec 2021 (Ask HJ)
  Just over two months ago my Hyundai Tucson diesel had its final service within its five year warranty, having done just under 26,000 miles and received...
• Internal combustion, 60 years on 19 May 2007 (Forum)
  An engineers machine....... vastly better construction, tolerances etc, but 60 years of progressive development time lost. Now apply that thinking to todays typically common rail diesel car and its systems. Its got the latest computerised diesel fuel injection and systems, way beyond what we thought would be possible back in the 60`s. Its on the M1 and has been in the outer lane for an hour, heat pours of the exhaust,the radiator, the whole surface of the engine and the sump radiates heat.
• Ford Focus (1998 - 2004) - 2003 1.8 Zetec Tdci 115 fuel consumption 18 Nov 2010 (Forum)
  Hi, I've recently bought a Focus 1.8 Tdci 115bhp from a Ford dealer. I'm a bit disappointed by its fuel consumption as I'm only getting about 48mpg from it whereas I thought that this car is supposed to do about 53mpg. This is about 540 miles on a full tank if I leave it as long as poss until the fuel needle really isn't moving.
• Hyundai Tucson Diesel 2019 Plate. - DPF ISSUE 12 Aug 2025 (Forum)
  Hi All I bought my 2019 Tuscon when it was 6 months old, despite doing on average 10 miles a day during the week and longer runs at the weekend and on...
• Trip computer inaccuracy 28 Apr 2021 (Forum)
  We are talking about around 20mpg. The car consistently displays for motorway majority trips around 55mpg of fuel consumption. At the time, I thought it too good to be true; after all, I had come from a 2L Diesel Toyota Auris and that one did about 45mpg. The reality is that the RAV4 does about 30-35mpg. And this is what I would expect from a small diesel SUV, so I’m not complaining about the performance/consumption but the inaccuracy of the trip computer.
• LPG - why is it still so niche? 20 Jan 2020 (Forum)
  LPG Fuel economy is 20% less than petrol equivalent, but it costs 50% less to begin with.    So why oh why are LPG vehicles so unloved?      
• Citroen C4 Cactus - Need advice on new car 18 Jan 2020 (Forum)
  Its time to change my wife's car, need some expert advice in choosing a car from the community members. She has been using Citroen C3 1.6 Diesel Manual for the past 9 years and her new requirements are:   Automatic (Smooth gear changes) No diesel Refinement and less road noise Parking assistance Apple Carplay / Android Auto Good colour Fuel efficiency is not a concern as she does only 15 miles daily.
• Citroen Xsara Picasso 1.8 - 2004 Citroën Picasso 1.8 keeps blowing fuse 15 4 Jan 2018 (Forum)
  F15 30A - Ignition coil - downstream oxygen sensor - upstream oxygen sensor - cylinder injector 1 -  cylinder injector 2 - cylinder injector 3 - cylinder injector 4 - purge canister solenoid valve - diesel  injection pump - EGR + butterfly electrovalve - carburettor or throttle housing heater resistor - all  or nothing solenoid valve (EGR) - diesel fuel heater  Could it be a faulty ignition coil.
• Peugeot 307 sw hdi 120 2.0l 2002 - Peugeot 307 2.0 hdi 120 anti pollution fault 21 Jun 2011 (Forum)
  Can anyone please help several months ago the unblock diesel filter warning came on followed by anti pollution fault resulting in the car going into 3000 rpm limp mode. I have checked that there is fuel additive still in its tank and also removed the particulate filter and checked it's condition which was quite clean I also have a reciept for this being changed 10000 miles ago.
• Motorway vs Town 8 Nov 2010 (Forum)
  What I'm looking for is something 1.8 to 2.0 litre. Not fussed about diesel or petrol but i don't think i do the miles to pay the premium on a diesel. Focus/Astra/Golf Sized. That can easily do 85 mph on the motorway with out revving as high 4k. Maybe something like a 6 speed 1.8 petrol??
• Citroen Xantia (1993 - 2000) - 98 1.9T Diagnostic light on when cold,goes off whe 16 Jul 2009 (Forum)
  Hi all. Need some advice from the pros. Just purchased an Turbo Diesel(DHX/XUD9)with 88K on the clock. It was a mess being in limp mode. With air in the diesel, glowplugs not working and was just running bad. Replaced air/fuel/oil filters, glowplugs, changed engine and gearbox oil.Starts first time and runs smooth.Revs quick however not underload.
• Ford Focus II (2004 - 2007) - I may have made a mistake.... 30 Mar 2008 (Forum)
  Love the car, drives well, well built etc. HOWEVER it would appear that my 9-10K miles a year is going to change drastically to 20-25k. Fuel consumption is the one downer on the Focus (max 38mpg) and I now wonder if I should chop it in quick for a diesel. Sods law I part ex'd a diesel Seat Toledo for the Focus-partly because I only done 8K miles last year in it so thought petrol would be okay.....
• Peugeot Partner Combi (2001 - 2004) - '55 Partner van, Diesel throttle cable adjustment 19 Feb 2008 (Forum)
  Naturally aspirated (although I believe this still leaves more than one option). The fuel pump is mounted on the front RH (drivers) side, if this helps! I...
• 03 Rover 25 2.0 TD IL ...should I? 19 Apr 2006 (Forum)
  but apart from clutch problems it has always been mega reliable and I wouldn't mind something similar again - just not a Peugeot because of the weird pedal situation! As for why it has to be a diesel, I just prefer to spend more on the car and less on the fuel... I had a 106 1.1 and put in £20 a week, a Corsa 1.0 and put in the same, a 206 2.0 HDI and put in £25 a month and the same for the 106 1.4D.