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• Vauxhall Zafira 1.9 cdti - Z19DTH exhaust temperature 1 Jul 2013 (Forum)
  Hi What is normal (working) exhaust temperature readings from Bank 1 Sensor 1 and Sensor 2, when DPF reheneration IS NOT present? Vauxhall Zafira 1.9 CDTI with Z19 DTH engine.
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  Advice on diesel particulate filter and glow plugs 30 Nov 2014 (Ask HJ)
  My parents purchased a Citroen C3 Picasso 1.6 HDi (DV6D) Exclusive back in September 2014 based on your review of the vehicle. My parents love the car...
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  Is my Volkswagen Golf Bluemotion diesel likely to suffer DPF problems, and what could I replace it with? 25 Feb 2012 (Ask HJ)
  11 months ago I bought a new Volkswagen Golf Bluemotion diesel, which I am delighted with. However I am so worried about your comments about the risk of...
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  Will my car pass the MOT if I remove the catalytic converter? 8 Jan 2021 (Ask HJ)
  I'm wondering if it is legal to remove the two catalytic converters from my car. It's a 2005 Audi A4 3.0-litre diesel. It has no DPF fitted from standard,...
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  Why is my Vauxhall Astra going into limp home mode? 22 Dec 2020 (Ask HJ)
  I own a 2017 Vauxhall Astra 1.6 CDTI SRI NAV. The engine light is on and going in limp mode. It shows codes: P2453, P2452, P244A, P226D. Can you tell...
• In general - Diesels 12 Feb 2020 (Forum)
  . The one thing I'd like to ask is I have just read an article on the rac website about dpf and it mentions how long they should last and cost to fix and the way I see it a dpf 100k miles, replace at a cost of 1k on some cars 100k mile means a new cam belt and around that mileage ish a new clutch all
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  Does the Volkswagen emissions fix affect the life of catalytic converters? 13 Mar 2019 (Ask HJ)
  Is there any evidence or opinion that the Volkswagen emissions fix has affected the life of catalytic converters? Mine has failed on a SEAT Alhambra 2.0...
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  Will we see the same problems with petrol particulate filters as we have done with DPFs? 19 Feb 2019 (Ask HJ)
  With the fitting of particulate filters to petrol cars are we likely to see the same issues with regard to short journeys and stopping the engine during...
• Vauxhall Astra J 1.7CDi - New Engine Waranty Claim 24 Oct 2018 (Forum)
  to take the engine apart. The mileage is 77,000 and during the year the dealer has replaced the DPF, the EGR valve and one injector. I have only paid for the cost of the DPF, £1,000. Should I give the OK to take the head off for inspect even though I may be left with and engine in bits and liable
• Hyundai Tucson - Diesel Particulate Filter in Hyundai Tucson 22 Jun 2018 (Forum)
  my choice to the petrol engine. However speaking to someone today who has a diesel tucson (his is automatic) and they do similar mileage to me with no issues or concerns regarding the DPF. They seem to think the Tucson DPF is designed in such a way that it doesn't require regular
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  The oil is my BMW 3 Series is reading high - should I have it checked out? 10 Jan 2018 (Ask HJ)
  The oil appears to be reading high in my diesel E90 BMW 3 Series, both via the dashboard indicator and also by manually checking (after driving approximately...
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  I only do short trips - should I trade my diesel Renault Captur for a petrol? 2 Jul 2017 (Ask HJ)
  At present, I own a 2015 Renault Captur 1.5 dCi. I use it for short runs around town, with the occasional 50/75 mile trip. My son tells me I would be better...
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  Peugeot 308 SW anti-pollution warning light - what does it mean? 29 Nov 2016 (Ask HJ)
  I own a Peugeot 308 SW. Today the anti-pollution warning light has come on. Am I still able to drive the car?
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  Buying a Ford Focus ST - petrol or diesel? 5 Jan 2016 (Ask HJ)
  Now diesel is the same price as petrol at the pumps and the Ford Focus ST petrol and diesel have the same retail price is there any disadvantage to buying...
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  What's wrong with my C5? 24 Apr 2015 (Ask HJ)
  My 2001 Citroen C5 petrol is losing power. It will tick-over find, but once you go above 3000rpm it will struggle. Any ideas?
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  Petrol or diesel Mazda6? 4 Feb 2015 (Ask HJ)
  I only do around 9,000 miles per year and I'm looking at a petrol version of the Mazda 6. Much more choice with the diesel versions. Are these diesels...
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  What's the best family car for £3000? 28 Nov 2014 (Ask HJ)
  I'm after a cheap family estate or hatchback to get a dog, kids and and pram into. Ideally, I'd like a diesel Ford Mondeo, but only cover 24 miles a day....
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  Can you recommend a used pick-up? 24 Mar 2014 (Ask HJ)
  I am looking for 2004-2005 pick-up 4x4 to use on my land to get animal feed etc. Which make and model would you recommend?
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  Buying a used Fiesta - petrol or diesel? 12 Feb 2014 (Ask HJ)
  I'm currently looking at buying either a 2010 Ford Fiesta Zetec S 1.6 petrol or the TDCi version. I have a 13 mile trip to and from work, which is 80%...
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  Engine management light is on – what’s the fault? 18 Aug 2013 (Ask HJ)
  The engine management warning light has come on my Mercedes-Benz C-Class. The car has covered 36,500 miles and the oil is a little low. There are no real...