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  Why won't our Ford Mondeo start? 18 Sep 2016 (Ask HJ)
  We own a Ford 2010 Ford Mondeo 1.8 TDCI. Yesterday, the car started but then stopped almost immediately. It then refused to start. We have tried again...
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  Fuel economy 29 Apr 2016 (Ask HJ)
  Why have the MPG figures only been questioned for diesel engines? Are the figures for petrol engines correct?
• Ford Focus LX 1.6 TDCI - Fuel Rail Pressure Stuck at 600 Bar 5 Apr 2016 (Forum)
  My Focus broke down tice over the weekend, the first time the diagnostics preformed by the AA showed up nothing but the fuel rail pressure was irratic. Took it into a garage on Saturday morning and they tole me taht the Crank Sensor was the problem and fixed it, happy day as that was cheap. Completed over 400 miles in it and it cuts out at a red light.
• Subaru Forester, Nissan X trail - What is more fuel efficient, awd or 4wd? 31 Mar 2016 (Forum)
  Im thinking of buying a car when i head out to Canada, and ill be mostly on a mountainous ski resort so a 4wd/awd is beneficial.  Firstly, as a general question, what tends to be more fuel efficient out of a constant AWD like subaru and a 4WD where the driver can choose between between the 2 sets of axels? Obviously all other things being equal like engine size, transmission etc.  Secondly, what is the better choice out of a 2004-2005 Subie Forester X 2.5 auto petrol and a 2005 Nissan X-trail again 2.5 auto petrol, in terms of fuel economy and general preference?
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  Volkswagen Passat tyres - how can I improve fuel economy? 25 Mar 2015 (Ask HJ)
  I am currently running my 2008 Volkswagen Passat on Bridgestone Potenza 235/45R17 94Y RE050A tyres which are coming up for replacement. Can you recommend...
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  Terrible fuel consumption on the Vauxhall Meriva - is this right? 8 Mar 2013 (Ask HJ)
  I am thinking of buying an auto diesel Vauxhall Meriva, but the consumption in your real mpg list is very high. Is this report the result of lots of drivers...
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  Fault P1198 on a 307 12 Sep 2012 (Ask HJ)
  I have had my 307 HDI put on a computer in a garage and it is reading a P1198 - injector control - ecu internal fault. Do you know how I fix this problem?
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  Driving in France - can I get it in France? 26 Feb 2012 (Ask HJ)
  I will driving in France in the near future. I currently use Shell V Power petrol. Please would you advise what the equivalent grade is called in France,...
• Ford Mondeo III LX strange power loss - Strange power loss!! 11 Dec 2011 (Forum)
  I recently purchased a 04 Ford Mondeo LX 1.8. While driving on the motorway i have noticed that when the fuel gauge gets to a quarter tank the car starts to loose power and splutter forcing me down the gears to a final stop. Fill up with fuel and the problem dissapears? No error codes reported?
• Peugeot 306 - Help with poor fuel economy on 306 hdi 16 Mar 2011 (Forum)
   took my car in for a diagnostic and had a new battery, MAF sensor and fuel pressure regulator. The car feels better than ever to drive, nice and smooth and feel like some of the power is back. However, i usually got around 600-650 from a tank so I averaged 45mpg.
• Vauxhall Astra G Coupe/Convertible (2000 - 2004) - 04 2.2 Fuel gauge problem 26 Jan 2011 (Forum)
  My Astra (Coupe 2.2 Auto 2004) fuel gauge is playing up and I need some help please. When I fill up the gauge shows full and it appears to work fine when I'm driving around locally. If I go on a journey after a while the fuel gauge will show FULL.
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  Can I use unleaded with a bit of diesel in it in my Citroen? 24 Aug 2010 (Ask HJ)
  I have put 55 litres of unleaded petrol with five litres of diesel in my car. I have had it drained into five-gallon drums. Would I be able to use this...
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  Will a 1997 SEAT Alhambra be more economical than our R-reg Ford Galaxy? 10 Jun 2010 (Ask HJ)
  I own an R-reg Ford Galaxy GLX, 2-litre. I want something a little cheaper to run, as I do two one-and-a-half-hour school runs a day through town. Will...
• KIA Sedona - One squirt from the injectors then it stops 11 May 2010 (Forum)
    It did  but once we had reconnected it, it would no longer spray as before.  If we bleed the fuel pipe so that we have fuel to the top of the injector then we turn the engine over and get one large spray and no more. Can anyone help please? Thank you
• Vauxhall Astra G Petrol (1998 - 2004) - 00 1.6 Cool Engine rough running high fuel consump 2 Feb 2010 (Forum)
  I bought this Vauxhall Astra 1.6 8V LS recently and discovered that it is running very roung and the temperature guage normally stays below the starting marks and only goes up when stuck in traffic but comes back as soon as it is out of the traffic. In addition to this I noticed the fuel consumption is too high and the exhaust emissions are highier than normal. I get the timming belt and water pump changed as they were due. It improved the situation but it is still running slightly rough and the fuel consumption is too high as compared to my previous cars.
• Renault Scenic (1999 - 2003) - 01 1600 Difficulty starting / fuel filler cap? (pe 6 Aug 2009 (Forum)
  Often several stabs of the throttle to the floor will eventually get it going & so far it has always started in the end. Thinking this might be fuel related, I undid the fuel filler cap the other day and heard a quite forceful rush of air following which the car started immediately. Since then I have got in to the habit of undoing the filler cap after journeys and find that even after a short 5 mile journey I can hear this rush of air.
• Renault Clio 1 Petrol (1991 - 1998) - 97 1.2 - Turns over but will not start 11 Apr 2009 (Forum)
  Help - My 18 son's 97 Clio 1.2 has broken down,apparently it lost power ( no undue noise ) and stopped. I have checked the usual suspects - fuel etc as a matter of course. The problem is that now the car is back on the drive I cannot get it to start. There is a healthy spark at the plugs and fuel is getting into the fuel injection system at the fuel inlet- beyond that nothing.
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  Misfuellers and money soon parted 14 Feb 2009 (Ask HJ)
  Can you tell me if Ford Easy Fuel, that prevents drivers from filling with the wrong fuel, is available as an add-on accessory? I have a 2004 Mondeo LX...
• Volkswagen Passat (1988 - 1997) - 96 1.9Tdi air bubbles in diesel fuel pipe 5 Feb 2009 (Forum)
  I seem to have given myself another problem I changed the fuel filter as procedure in Haynes manual but did not prefill the canister with fuel- not mentioned in Haynes- but everywhere else says fill it! thank you Mr Haynes! now when I run the engine I am getting bubbles in the pipe between the filter & the engine & the exhaust is smoky was OK before I changed filter!
• Vauxhall Zafira A (1999 - 2005) - 04 2.0 fuel injection pump 28 Sep 2008 (Forum)
  Now the car is chugging and spluttering when driven and sometimes cuts out. I took it to a garage and they advised I change the fuel filter which I did and it lasted about 2 months and the same problems occured. I then took it to another garage and they put it on a machine that gave me a code of P1222 - fuel injection pump invalid status malfunaction.