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  Top 10: Petrol v diesel - estates 31 Mar 2016 (News)
  Looking for a new estate but cant decide between petrol or diesel power? Here are some answers.
• Mercedes-Benz CLK-Class 280 Sport - Engine management light 26 Mar 2016 (Forum)
  The engine management light comes on intermittently - one journey on; one journey off. MB diagnostic test is inconclusive.  (HJ suggested using Shell V Power which I will try) Anyone got any other ideas or remedies. Thanks
• Vauxhall Astra H 1.6 (Z16XEP) - Exhaust rattle 23 Mar 2016 (Forum)
  happens again when I labour the engine (below 1500rpm). I'm running the car on v-power so I don't think it's engine knock.
• Citroen C5 3.0 HDi - 'car by car' - where is this? 23 Mar 2016 (Forum)
  A question was asked in 'Ask HJ' about whether using Shell v-power nitro diesel was likely to cause engine damage.  HJ answered: "all sorts of other problems could occur with this engine. Look it up in car by car".   Where is car-by-car?
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  Nissan GT-R gets more power for 2016 23 Mar 2016 (News)
  Nissan   has confirmed a more powerful GT-R for 2016. The twin-turbocharged V6 hypercar will now deliver a whopping 570PS and be capable of reaching a top speed
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  Twin-turbochargers - do I have to worry about overheating? 23 Mar 2016 (Ask HJ)
  I have just bought a new Honda CR-V. The vehicle has two turbo-chargers giving the 1.6 diesel engine the same power as the diesel 2.2. I have read in your...
• Volkswagen Golf MK V - Golf 2.0l GT TDI Mk V Cambelt tensioner sheered 17 Mar 2016 (Forum)
  Hi, I had my cambelt replaced last August on 108991 miles, Saturday night I drove out of work less than 6 months on and the car at 113000 miles and my cambelt tensioner bolt sheered off causing the belt to  come lose, no power , and broken down. I have now a major problem
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  Should the Honda HR-V get more power? 17 Mar 2016 (Ask HJ)
  I am wondering if there is anyway of you helping by encouraging Honda to put their more powerful 160PS 1.6 Diese in the 2015 HR-V?
• Ford Focus Estate 1.6 petrol 55 reg - battery drain /isolator 15 Feb 2016 (Forum)
  totally frustrating at o.4.40 am when i left the house for work and the battery was totally flat - anyway cut a long story short on the advice of my garage/auto electician decieded to have a promax 12 v isolator fitted and it was explained that this would work if the isolator sensed a drain via
• Need help in deciding a Crossover vehicle 15 Feb 2016 (Forum)
  .  1. Mazda CX5 (2.2 Diesel with 148 BHP) 2. Audi Q3 (2.0 Diesel with 148BHP) 3. Hyundai ix35 (1.7 engine might be under powered for my daily driving) 4. Kia Sportage (1.7 engine might be under powered for my daily driving) 5. Nissan Qashqai / Renault Kadjar (1.5
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  Which diesel car should I buy? 14 Feb 2016 (Ask HJ)
  I am looking to purchase a new vehicle and am aware of the potential problems with diesels. I do about 18,000 miles a year which comprises a daily commute...
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  Standard vs premium petrol - which is best? 8 Feb 2016 (Ask HJ)
  I have followed your site for some time and have many a time heard the advantages of Premium diesel (or even branded diesel) over supermarket diesel. I...
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  Volvo V70 - "Engine System Service" message 7 Feb 2016 (Ask HJ)
  I have a 2006 Volvo V70 2.4 diesel and two weeks ago an "Engine System Service required" message appeared along with the yellow warning. I booked the car...
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  contract hire paperwork invalid 6 Feb 2016 (Ask HJ)
  I leased a contract hire VW Touareg (245hp) in October 2014. Long story short, it didn't steer in a straight line and VW finally replaced it in December...
• Vauxhall Corsa 1.2 - Premium Unleaded Fuel 2 Feb 2016 (Forum)
  engined car. I looked around online, interested in how i could get better mpg from my car. Started looking into Premium Fuels and it became clear to me fairly quickly Shell V Power + unleaded was the best quality fuel to be putting in your car for longevity of your engine and also hopefully
• Any - Premium fuels - do they improve mpg? 2 Feb 2016 (Forum)
  The price difference between standard unleaded and premium (e.g Shell V power) locally is about 6%, so only worth the extra if mpg is increased by more than this amount.   Obviously some cars designed for higher octane fuel will go better, my question
• Audi A4 Avant Diesel MY12 - BP Ultimate or Shell V power 1 Feb 2016 (Forum)
  I have been using Millers eco max power as an additive since i got the car now 4 years old 38k , thinking of using Shell V power  that HJ reccomends but i havn't got a Shell station near me but i have a BP so i can get BP Ultimate  but is the BP Ultimate as good as Shell
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  Shell V Power Nitro+ 28 Jan 2016 (Ask HJ)
  Hi John, I've enjoyed your website and insight on matters motoring for some time; we occassionally differ (I love my DSG gearbox for example) but its...
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  Superfuels 26 Jan 2016 (Ask HJ)
  You have advised using high octane fuel such as Shell V Power Nitro. However motoring writer Laura Thomson has advised that although premium grade fuel...
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  Can you give me some advice on maintenance? 25 Jan 2016 (Ask HJ)
  You recently provided some advice when asked if I should part-ex my 2 1/2 yr old Focus 1.6 tdci Zetec S for a new 1.0 Ecoboost on account of my car's advancing...