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  What are the benefits of nitrogen-filled tyres? 5 Mar 2011 (Ask HJ)
  My local ATS is offering to inflate my tyres with nitrogen as an alternative to air. What are the benefits of doing this, as the cost is not very much?
• Nitrogen Tyre Inflation 15 May 2004 (Forum)
  any one know of a dealer who offers nitrogen tyre inflation in the west midlands.
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  What are the benefits of nitrogen-filled tyres? 29 Jun 2013 (Ask HJ)
  I have the advantages of pure nitrogen in tyres from a leaflet from a tyre fitting centre. What in your view are the disadvantages? At £2.50 per wheel...
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  Can I use nitrogen instead of air in my tyres? 12 Aug 2012 (Ask HJ)
  At a recent visit to ATS Tyres they suggested that I inflate the tyres on my Land Cruiser with nitrogen saying that this leads to better handling of the...
• Nitrogen in Tyres 22 Mar 2013 (Forum)
  Anyone heard about using nitrogen in tyres instead of air? I have come across it in Europe before, but the idea seems to be rare here. A search on the web brings up http://www.merityre.co.uk/why_nitrogen.htm but does anyone know if any of the national chains offer it yet?
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  Inflating tyres with nitrogen - benefits? 21 Aug 2012 (Ask HJ)
  When I took my VW Golf for its service today I was asked if I wanted to have the tyres filled with nitrogen at a cost of £5.99 for four. The alleged benefits...
• Nitrogen Filled Tyres? 12 Aug 2003 (Forum)
  Hi All, Has anyone actual practical experience of nitorgen filled tyres? I know that some tyre retailers claim nitrogen keeps tyres inflated for longer thus enhancing tyre life, reducing fuel consumption and 'helping with vehicle handling' - whatever that last bit means. Seems to me it seems
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  Is nitrogen used in car tyres to prevent rust on the inside of steel wheels? 9 Jan 2012 (Ask HJ)
  Nitrogen, the main constituent of air, has the same basic physical properties as air and responds in exactly the same way as air when the temperature and...
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  Tyre Deflation Warning problem 31 May 2015 (Ask HJ)
  I have had my Honda Civic for four years, from new. It has done 26,000 miles. In that time the tyre deflation warning light has come on about a dozen times...
• nitrogen gas for tire inflation 24 Nov 2001 (Forum)
  I found this while lookimg into tyre life. http://www.nitronics.com/research.htm On my 1989 Range Rover Vogue (US Spec 3.6L with all options) They rot...
• Citroen Xantia - '93 Xantia 1.9 TDI bounces bad 11 Oct 2010 (Forum)
  I read something about the nitrogen level in the spheres. Could this be the problem for the bouncing - not enough nitrogen? Thanks in advance.
• Diesels - are they taking the p**s? 27 Sep 2001 (Forum)
  has been fitted with a urea solution injector and is now testing the theory. Dutch scientists hope the urea could reduce diesel emissions by up to 80%. Urea is a nitrogen-rich organic compound found naturally in urine which can now be manufactured. It is injected into a catalytic converter
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  Do new emissions laws apply to old cars? 18 May 2012 (Ask HJ)
  Will the Euro VI emissions standards apply to existing diesel engines and would I also need a Nitrogen Oxide trap, or would my 8 year old diesel Merc be...
• Nitroinflate anyone ? 24 Jan 2007 (Forum)
  Hi. I have just had a couple of new tyres fitted and noticed I have been charged £2.50 for a "nitroinflate". Presumably they have inflated the tyres with nitrogen rather than air. I am not quibbling, just interest as to why ? I would imagine nitrogen would diffuse through rubber a little quicker
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  Why does my TPMS keep giving me a warning? 26 Jul 2018 (Ask HJ)
  I have a 2009 Jaguar XFR. 12 months ago the tyre pressure warning came up on the dash. I pulled over and checked but the pressures were fine. Since then...
• PSA - More recalls 8 Dec 2023 (Forum)
  The French government platform for reporting product alerts and recalls has issued a recall for these cars as they could emit gas emissions in excess of regulatory limits.  In particular they could emit too much nitrogen oxide. The vehicles concerned include DS
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  Laying up a car for extended periods - anything I've forgotten? 14 Nov 2012 (Ask HJ)
  My Honda CRV is kept in South Africa, and used 3-4 months of the year. Maintenance charging is not an option, so during storage I intend to: (1) Use...
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  Parking car on flat tyres 3 Feb 2011 (Ask HJ)
  I took my 4x4 to a garage to get nitrogen filled in the tyres. The mechanic deflated all the four tyres while the wheels were still on ground (he did not...
• Citroen the 1st Car Manufacturer to use Ad Blue? 19 Mar 2015 (Forum)
  AdBlue to convert nitrogen oxide (NO x) into nitrogen (N) and water – Stage 3: a particulate filter then eliminates 99.9% of particles in the vehicle’s exhaust emissions BlueHDi powered New Berlingo vans have a 17-litre AdBlue tank, which will last
• Any - Boyles law and tyre pressures 11 Mar 2017 (Forum)
  Oh dear, HJ seems to have got a bit confused here http://www.honestjohn.co.uk/askhj/answer/75465/is-putting-nitrogen-in-tyres-a-good-idea- I thought the only possible advantage of pure N2 as opposed to using air was that the oxygen might degrade the rubber (to a small extent