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  Audi diesel fuel contamination - what should I do? 6 Oct 2013 (Ask HJ)
  My Audi A3 1.6 TDI has been off the road for two weeks, pending an investigation into a breakdown where injector failure was cited as the reason. The dealer...
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  Cantankerous 10 Jan 2009 (Ask HJ)
  I have a new S3 on its second tank full of fuel. Driving on the A1 with almost a quarter tank on the gauge and 65 miles left on the fuel range & no low...
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  Fuel injector fault with Astra diesel 29 Jun 2013 (Ask HJ)
  I have a 2007 Vauxhall Astra diesel 1.7 CDTi. At the moment I’m getting no fuel in at the injectors and no fault codes. I bought the vehicle with the...
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  Why is my Chrysler Voyager having trouble starting in frosty weather? 3 Jan 2017 (Ask HJ)
  My 2003 Chrysler Voyager diesel starts poorly in frosty weather. I've had it since new and its been regularly serviced. What is the issue?
• Peugeot 306 (1993 - 2001) - 94 1.4 Petrol, possible fuel pump issues 20 Jun 2008 (Forum)
  Hi, Just wondering if anyone can help, my pug won't start even though the engine turns over and everything electrical seems fine. I opened the top of the injector unit, where while running you can see fuel going into the intake. While a friend fired the engine I could see no fuel going down
• Vauxhall Vectra B facelift 1.8 - no fuel to engine 17 Mar 2011 (Forum)
  The cam sensor failed and back fired through the air filter have changed sensor but now no fuel to engine is there a fuel cut off switch and where is it 
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  Is it better to top up fuel at half a tank or to refuel when almost on reserve? 11 Aug 2023 (Ask HJ)
  Is it better in the long run to top up fuel at half tank on a regular basis or to refuel when almost on reserve?
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  Would a fuel additive help prevent E10 problems with my Dacia Sandero? 29 Sep 2021 (Ask HJ)
  Would adding a fuel additive or system cleaner help prevent any possible problems with using E10 petrol in my Dacia Sandero (2018 model)?
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  Does cruise control improve fuel economy or reduce it? 23 Nov 2013 (Ask HJ)
  More than once in your column I've seen complaints by readers that cruise control is a fuel waster. I was always under the impression that cruise control...
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  Cheap fuel - is it causing me grief? 9 Dec 2012 (Ask HJ)
  I bought cheap fuel from same garage twice now. The first time, the car wouldn't start until the next day - when it ran also fine. Yesterday, I bought...
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  Reduced Focus fuel economy 24 Dec 2011 (Ask HJ)
  I run a 2009 Ford Focus 1.6TDCi Zetec which I have had since April 2011. I have consistently managed 54-55mpg. However since the car had a major service...
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  Is a problem with my Chrysler Voyager's fuel gauge related to an immobiliser fault? 18 Jul 2010 (Ask HJ)
  I have a 1998 Chrysler Voyager which I have owned from new. Recently I have had immobiliser problems (which are covered in your forum) but also the DTE...
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  Who’s fuelling who? 22 May 2010 (Ask HJ)
  Why do motorway service areas not advertise the make of fuel they are providing on the notices indicating that a service area is coming up? I use the motorway...
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  Sicktroen 12 Mar 2010 (Ask HJ)
  We have a problem with my husband's Citroen van. It sometimes will not start. Our mechanic has looked over it and feels it something to do with the fuel...
• Air in fuel 24 Jul 2003 (Forum)
  Going to be changing the fuel filter on my peugeot 306 '94 xsi in a few days. Learnt about releasing the pressure here (just leave it overnight), but need to know if it would be a problem getting air in the fuel lines? I've been told that petrol injection doesnt like air in the fuel, so
• astra gte wiring/fuel 10 Jul 2003 (Forum)
  i have recently bought a g reg astra gte with a fuel problem i have investegated and found out that the amps from the battery are not getting to the fuel pump, i had disconnected the fuel pump and had it running so its not that. i was woudering if a relay had gone or something but i dont have any
• VW Polo Fuel Pump? 15 Apr 2003 (Forum)
  Hi, I have a 1993 Polo Genesis. It konked out, and I traced the problem to fuel (no fuel to the carb?). I removed the fuel pump and had it tested. It worked OK. I connected it back to the car, but no go(dead). I assume the problem is now electrical. Anyone had similar problems and help please
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  What Super fuel do you recommend? 6 Nov 2017 (Ask HJ)
  I've followed your advice for a number of years regarding premium fuel, both petrol and diesel. I usually put BP Ultimate or Shell V Power in both cars,...
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  How much tax is there in the cost of a litre of diesel or petrol? 16 Apr 2017 (Ask HJ)
  It is about time that you gave us your breakdown again, of how we have crude at very low prices yet unleaded petrol at chronically high prices. The VAT...
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  Is Shell V-Power fuel really worth the extra money? 1 Mar 2017 (Ask HJ)
  I notice that Shell V-Power unleaded at 99 RON octane is now sold at a 9p per litre premium at my local garage, compared to standard Shell unleaded 95...