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• Skoda Octavia 1.6FSI (2006) - Petrol 3 Dec 2012 (Forum)
  My car's handbook says the car should be run on 98RON but it can run on 95RON. I've had the car since new.  When I first filled up I used 95RON but found the engine to be a big sluggish.  I switched to Shell 99RON (Optimax as it was and now V Power and which I understand cleans engines
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  Am I doing enough mileage for my DPF? 21 Nov 2012 (Ask HJ)
  Will weekly runs of 20 miles out, two hours rest, and 20 miles back be enough to burn off diesel particulates. The rest of the week the car does 8-10 miles...
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  My oil smells of petrol 21 Nov 2012 (Ask HJ)
  I have just noticed that I can smell petrol from the oil filler cap and dip stick. The car is running perfectly and mpg and temps seem fine. Am I worrying...
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  Audi A4 Avant - what's causing the automatic transmission vibration? 3 Nov 2012 (Ask HJ)
  I have a 2010 Audi A4 Avant automatic. The problem is that it sometimes jerks and vibrates when pulling away. This is especially bad when pulling away...
• Mitusbishi & Others - Diesel Particle Filter removal 30 Sep 2012 (Forum)
  running above the fill level. They also tweeked the engine ECU with an update. So I come to the crunchpoint: I am seriously consdering a DPF removal , I have been told by an expert that it is not part of the MOT, but smoke emisssion IS. The company I spoke to ,have been in Engine
• Volvo V70, 2001, 125,000 miles - Intermittent starting problems 27 Sep 2012 (Forum)
  Can anyone help me!  My Volvo is occasionally cutting out after starting.  This is an intermittent problem - sometimes when I turn the engine on, it runs for a second or two and then cuts out, then when I start it again, it either runs or just keeps turning over without starting
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  Buying a used workhorse 20 Aug 2012 (Ask HJ)
  My son works in building trade. He currently runs a K reg Freelander. It has to go it is so unreliable, costs a fortune to keep on the road. He needs...
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  Replacing a Focus with a modern counterpart 22 Jun 2012 (Ask HJ)
  I currently have a Focus (51 reg) as we are a family of 4. It is coming to an end and I am looking for a similar sized car, that is reliable and economical...
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  Gearchange is stiff when it's hot 22 Jun 2012 (Ask HJ)
  When the engine is cold the gear selection seems perfect. But when I have been in slow moving traffic for a while I cannot engage the lower gears and have...
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  Is the Lexus IS worth a look? 19 Jun 2012 (Ask HJ)
  I am thinking about purchasing a Lexus IS F-Sport diesel but I do not know much about the car. Is servicng dear, are they reliable, running costs, build...
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  Should our 2005 Vauxhall Corsa's timing belt be replaced? 16 Jun 2012 (Ask HJ)
  My in-laws run a 2005 Vauxhall Corsa 1.4 with 40,000 on the clock. They have been told that they need to replace the timing belt at an approximate cost...
• Peugeot 307 Xsi - 51 plate - car wont idle after a jump start 13 Jun 2012 (Forum)
  , but wont idle. When its been run for a good whil, its a bit better. Someone told me you shouldn't jump start modern cars, and that Pugs are bad for frying the ECU if you do - but as shestarts/ runs/drives/pulls okay, Im hoping its a simple issue I can fix mysel, there was no problem prior
• Vauxhall Vectra B - Vectra 2.0 DTi 2001 ABS fault 23 May 2012 (Forum)
  Vec 'B' 2001 DTi 127K As above,I've searched all over for this and cant find a match.The ABS only comes on momentarily (worse over bumps) then the pedal sinks. If I pump the pedal(engine running) it goes down a bit then the Engine Management light comes
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  Injector replacement linked to DPF problem? 5 Feb 2012 (Ask HJ)
  Just had 23H9 VW Passat injector recall done at Local VW dealer, after a couple of weeks and long distance runs DPF and engine management lights lit up....
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  Windscreen demist with the engine off 13 Dec 2011 (Ask HJ)
  Can you tell me if BMW 5 Series 2.0D SE has a system to demist the front screen without the engine running? Or was this something they used to have?
• Mitsubishi Shogun Equippe Diesel 2007 - Gone into limp home mode for 5th time 19 Oct 2011 (Forum)
  A friend is having terrible problems with her 07 Shogun (2.2 Diesel I think), it has again let her down by switching to limp home mode for the 5th time. Mitsu dealer is vague and blames a filter.  The car is an Auto but it gets good regular motorway runs to get it hot and it's not used
• Ford Focus Estate - ENDURA PUMP PROBLEM? 2 Oct 2011 (Forum)
  refuses to run, there is fuel at the injectors by the tanker load but she will only run on the naughty gas. Im beginning to think maybe there is a "coding" problem but if the immobiliser was not seeing the Bosch pump surely there would be no fuel up to the injectors??? This is driving me nuts, Ive
• mazda 6 sport td 2004 - fueling/ enconomy etc 15 Sep 2011 (Forum)
  hi i bought this motor for my mrs, was in bits as mazda couldnt solve problem whatever it had before,they but new turbo on,and didnt cure it wotever it was so car got stored up. when i bought it, it didnt run,eventually we got it running and it filled garage with smoke etc. took injectors
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  Tramlining tyres 26 Jul 2011 (Ask HJ)
  At times it feels as though the car is running in "tramlines". Tyres fitted are Bridgestone Potenza 225/45 R17. They now need replacing. Have you any recommendations...
• Citroen Xsara 2.0 HDi - 2000 Citroen Xsara 2.0 HDi won't start please help 20 Jul 2011 (Forum)
  My Citroen Xsara had been running fine even up until last night. Today it just won't start, brand new battery 3 weeks ago. Turns over but just won't fire, getting diesel upto the injectors. Even with easystart it tries to fire but won't run. AA been out and left scratching their head. Maybe