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  Are performance fuels worth the extra cost? 2 Jun 2014 (Ask HJ)
  Is standard or higher octane petrol used in EU economy testing? And is it worth paying the extra in an ordinary car?
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  Glow plug/engine management light coming on 29 May 2014 (Ask HJ)
  I own a 14 year old Ford Galaxy 1.9 TDI with 170,000 miles on the clock. The car has run well, until recently. The glow plug/engine management light has...
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  Does the Audi A4 suffer with DPF problems? 22 May 2014 (Ask HJ)
  I am considering the purchase of an Audi A4 2.0TDI (143 PS) SE Avant (2011/60). I use my car mostly for short runs of 5-10 miles with a monthly blast up...
• Sprinter;Transit;Transporter - Which - Hi Top Van for local Deliveries 10 May 2014 (Forum)
  . The van will be used on these local runs so we have concerns about DPF 's blocking as the van will not benefit from a long run except on the odd occasion. Understand the Vauxhall/ Renaults have a poor reliability record and have no knowledge of the new Transits. Heard good reports about
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  Audi A3 diesel - does it suffer DPF problems? 24 Mar 2014 (Ask HJ)
  I am looking at a new Audi A3 diesel, can you tell me if this car has any DPF problems? And is it ok for regular short trips?
• High Mileage Mercedes Diesel 21 Feb 2014 (Forum)
  Hi I'm new to this board, so treat me lightly if I'm posting in the wrong forum. The question I have is that I'm looking at a Mercedes E class estate, and would like to know what mileage I can expect them to run until. Obviously it will depend on past, as well as future, servicing, but all things
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  Would you recommend the BMW 1 Series 116d Urban? 2 Feb 2014 (Ask HJ)
  I commute around 100 miles round trip per day. Would you recommend the BMW 1 Series 116d Urban as a good engine size for this commute?
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  Best car for a 17 year old female driver? 28 Jan 2014 (Ask HJ)
  A friend is intending to buy a small car for his 17 year old granddaughter to learn to drive in, safety is the overriding priority with insurance and running...
• Spark plugs 5 Jan 2014 (Forum)
  the running of the engine from the colour of the spark plugs, and the short life of them, I was surprised.  I used to have to re-gap plugs after relatively short periods, and replace them regularly.  Has the quality of components increased so much ?  And, would the engine have run well enough
• Volvo v70 d5 2008 185bhp auto - Volvo v70 d5 poor running 19 Nov 2013 (Forum)
  I have a slight misfire at around 35mph / 1600rpm on a light but constant throttle, also when in park, and revvec to same rpm a roughness/ imbalance can...
• Skoda Octavia Estate - Chatting with a taxi driver 19 Oct 2013 (Forum)
  I had a lengthy chat with a private hire taxi driver last night, he does around 50K miles per year and had just sold his 09-plate Octavia 115bhp diesel with DSG. He sold it with 230,000 on the clock, having bought it with 60K up, and run it for three years.  In that time, he'd
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  What's causing my Volkswagen Sharan to vibrate on idle? 10 Oct 2013 (Ask HJ)
  My 2005 Volkswagen Sharan sometimes vibrates on idle. What’s causing it?
• Jaguar XJ8 3.2L year 2000 - Battery drain 19 Sep 2013 (Forum)
   The battery on my year 2000 XJ8 3.2L runs down to 20% of capacity and c.11.9 volts if left standing for two weeks after a run or charge, and the car on occasion has not started due to a low battery. Disconnected from the car the 100 AH battery, Bosch 12 months old, holds its charge
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  Winter tyres - can I have some advice? 2 Sep 2013 (Ask HJ)
  My car presently runs as standard on 205/55/r16 summer tyres on 6.5j alloys. I've been offered a set of 15 inch 6.5 j steel rims. Will fitting 205/60/r15...
• 2004 2l diesel - nting zafira 12 Jul 2013 (Forum)
  a few months ago started developing a running issue where on a run and on dual carrigewaywould temporarily pull back for a few seconds then correct itself (light flashes up at time). Then went to Lutonairport a month ago and 25 miles into 100 mile journey did it again but didn't correct itself
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  Turbo cooling 10 Jul 2013 (Ask HJ)
  I have just bought a 2011 Mercedes C-class Blue Efficiency, with a petrol engine. Do I need to take special care before switching off the engine, because...
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  Warning lights on a 307 3 May 2013 (Ask HJ)
  My engine managment light as come on in my car and it says on my dash "antipollution fault." It's a Peugeot 307.
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  Diesel or petrol for my long commute? 16 Feb 2013 (Ask HJ)
  I will be commuting 500 miles a week. after reading about Dual Mass Flywheel problems and Diesel Particulate Filters would I be better off with a petrol...
• Honda CRV i-VTEC Auto 2004 - Honda Fault Code P1259 31 Jan 2013 (Forum)
  Hi, CRV engine fault warning light is on. Car runs fine upto 2700 rpm, misses badly till drops below 2500, then runs fine, unless accelerate again. Plugged into professional 'Snap-On' code reader and comes up with only P1259. This indicates a VTEC System malfunction; either
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  Fitted winter tyres - economy dropped by 3-4mpg 17 Dec 2012 (Ask HJ)
  The mpg on Lexus 450h has dropped between 3-4mpg after fitting winter tyres. Lexus dealer says that I am the first person to mention this. Is this normal?