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  Could I have used contaminated fuel? 30 Jan 2014 (Ask HJ)
  The day after filling up the tank and for the last two days have noticed a considerable drop in performance in my Volvo V70, with sluggish performance...
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  Mazda 3 - which fuel is best? 28 Jan 2014 (Ask HJ)
  I am buying a new Mazda 3 and the dealer recommends that I use normal 95 RON petrol rather than the higher octane petrol such as Shell V-Power, which I...
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  Mazda diesel engine problems 9 Jan 2013 (Ask HJ)
  I have fitted an 2004 2.0-litre diesel engine to my Mazda 6 after the big ends went. Both engines have same engine code. I have now got what seems to be...
• Renault Clio 1.2 16v Petrol 2003 - Renault Clio Car wont start, got spark and fuel 18 Dec 2012 (Forum)
  Hi there all mechanics, I have a clio 1.2 16v Petrol 2003 model that wont start, the problem is sometimes it starts and other times it wont. It has a good spark and plenty of fuel pressure going into the rail but wont start  most days. I have a spare fuel rail with injectors in it and have
• vauxhall vectra c 1.8 petrol - vectra 2003 fuel consumption 6 Oct 2012 (Forum)
  excessive fuel consumption. Done pedal test. Codes are: 0036-02 sensor heater circuit range/performance (bank 1 sensor 2) C-31 0136-02 sensor circuit high voltage (bank 1 sensor 2) C-32 0136-02 sensor circuit voltage low C-32 0136-02 sensor 2 open circuit C-32
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  Why has my Clio suffered an expensive "pump break-up" fault? 21 Jul 2012 (Ask HJ)
  I have a 2006 Renault Clio 1.5 diesel. I have been told I have "pump break-up" so metal particles are everywhere. I need two new injectors and two need...
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  Can premium fuel help improve my Toyota Verso's fuel consumption? 31 Mar 2012 (Ask HJ)
  Further to our brief correspondence before Christmas concerning the increase in my Toyota's Verso D-4D’s diesel consumption, I'm pleased to report that...
• Pug 306 - Air in fuel system 17 Oct 2011 (Forum)
  Hi, My car broke down on me this morning, it ran and then shuddered until it eventually stalled. I got it running a few more times but the same thing happened so it was time to lift the bonnet...  I have a clear pipe running from my fuel filter to the injector pump
• Ford Escort van N reg 1800 diesel - sluggish/bad fuel consumption 24 Jan 2011 (Forum)
  bypassed the fuel filter and all was ok for an hour then it went back to all the mentioned problems. So then my local garage had it in all the injectors were blocked so they were all sorted all new filters and pipes £250 later all was ok for about a week. Then it has since gone sluggish again 70 flat
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  Where can I get a cheap replacement fuel pump for my 10-year-old Ford Focus? 4 Sep 2010 (Ask HJ)
  I have a 10-year-old Ford Focus 1.8 LX TDDI. It lost power while driving earlier this week and wouldn't start again. The local Ford dealer in Northern...
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  Which is the best fuel-efficient family car? 2 Sep 2010 (Ask HJ)
  I need to replace my Volvo S80 and have been looking at the new, very fuel-efficient diesel engine cars (Blue Motion, Greenline, Volvo Drive-e etc). But...
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  Does my Peugeot 306TD have a turbo fault? 9 Aug 2010 (Ask HJ)
  Can someone offer advice about my Peugeot 306TD? The car starts first time and runs well, with no misfiring or whistles, but there is no turbo effect whatsoever....
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  Fuels and their money 7 Aug 2010 (Ask HJ)
  My 5-year-old Rover 75 Connoisseur SE CDTi diesel has covered 29,000 miles and will average 48 miles per gallon on a long run dropping to 43 on short runs....
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  Which model of Vauxhall Tiguan is most fuel-efficient? 4 Jul 2010 (Ask HJ)
  Could you please advise which is the most fuel efficient 4-wheel drive model of the Tiguan range? I currently drive a Volkswagen Driver and I need a vehicle...
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  Forester commissioned 25 Jan 2010 (Ask HJ)
  I drive a Subaru Forester automatic with cruise control. Having been widowed recently, I'll possibly change to something smaller at some time in the future....
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  Save and sound? 8 Aug 2009 (Ask HJ)
  My wife may soon purchase a Focus or Golf and we are wondering whether to go for diesel or petrol. The annual mileage will be about 10,000, mainly on rural...
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  Long-range fuel thanks 27 Jun 2009 (Ask HJ)
  I thought that your readers may find this interesting: I currently run a Peugeot 206 1.4 HDI turbodiesel. My motoring mainly consists of a 36-mile round-trip...
• Mitsubishi Lancer (2008 - ) - New Mitsubishi Lancer - Why poor fuel economy? 18 Sep 2008 (Forum)
  -60 time - Great so far. Then I looked at the fuel economy .... and ..... great disappointment. 44mpg compared with the 51mpg on the heavier Skoda with the same engine. Thats 7mpg difference, which is one hell of a difference over the 125,000 miles + That I will cover in my next car. At todays
• What fuel consumption gaffs/efforts have you made 1 Apr 2008 (Forum)
  What fuel consumption efforts and mistakes, including purchase, have you made over the years?. 1) 1967 Mini van, fuel consumption (best) 38mpg on east coast run. Fitted a Mangoletsi ? Manifold modifier, which basically just seemed to do nothing except cut performance as it reduced inlet manifold
• Ford Escort (1993 - 2000) - 1998 TD - Delayed Turbo, fuel delivery problem? 3 Dec 2007 (Forum)
  . When he came back the idle was unsteady, it was smokey, there was a lack in power, slow to rev, poor MPG e.t.c. I have changed the fuel filter, blead the fuel system, checked for air in the fuel system, cleaned egr valve, used injector cleaner in the fuel e.t.c. I have noticed that instead of the turbo