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• Audi A3 Sportback 1.9tdi PD engine BKC - Which oil for diesel engine? 16 Feb 2013 (Forum)
  these specs/grades there is no price difference,but cost is not a factor, but  feel that as the 507.00 seems to be the latest  oil would this be better at protecting the engine and emission parts?  The car is a 2005 model with 75k miles, EU4 without a dpf. Many thanks
• VW Passat 2012 - VW ditch unreliable piezo injectors on '12 diesels 2 Nov 2011 (Forum)
  together with the risk of litigation (especially in the US where the attached document originates) has initiated this change of policy. I see also that the ridiculously complex DPF system has been simplified by the adoption of AdBlue. It would seem to me that the present generation of piezo
• Saab 9-3 Convertible 1.9TiD - Emissions in 2008 model year cars 2 Nov 2011 (Forum)
  miles per year including a 25 mile rural A road commute so a diesel looks like it fits the bill (and hopefully I'll be OK with the DPF too). I have a question that my Google skills have failed to answer: Does anybody know when the emissions changed for the 1.9 diesel engine in 2008 in Saabs
• BMW 7-Series E65/E66 (2002 - 2009) - BMW 2004 Diesels 8 Jan 2010 (Forum)
  , knackered diesel pump or dpf renewal etc. are there any other big ticket items i should be aware of? Many thanks in advance for any experience shared! -c
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  Will a 2015 Nissan Qashqai 1.6 dCi be suitable for muddy terrain and long commutes? 4 May 2017 (Ask HJ)
  I want to trade in my 2011 diesel Nissan X-Trail 2.2 for a slightly smaller 4WD. I commute 50 miles a day, but need a 4WD for rough farm tracks. I have...
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  Why does my diesel Volkswagen Golf engine cut out and restart when I slow down? 19 Mar 2017 (Ask HJ)
  I bought a brand new diesel Volkswagen Golf in January. There was a series of minor problems at first; tyres at the wrong pressure, pulling left, a burning...
• Ford Focus - Ford focus 2015 onwards engine choices 8 Feb 2024 (Forum)
  smaller. My main priority is reliability,  I've been stung heavily before with VW TDI group cars in the past. Turbo actuators, EGR, Throttle body and ABS pumps all failing and electrical issues. Managed to avoid the dreaded DPF failing but it caused me many an oil change.        
• 2010 vauxhall zafira 1.9 CDTi diesel - ZAFIRA DIESEL 1.9 CDTi - FUEL ADDITIVE ? 25 Sep 2023 (Forum)
  to use a diesel fuel additive to clean the Diesel Particle Filter (DPF)? I have never used an additive before and would like the opinions of others who have. nn Thanks in advance for any responses.
• Kia Soul - kia soul 11 Oct 2021 (Forum)
  mot issue was one year advisory on tyres . BUT should I worry about the dpf not getting hot enough to regen during those low miles over the years or would a good motorway run be enough to sort it. thanks for all the help your lot have given now and in the past
• any - EV battery charging method 16 Mar 2020 (Forum)
  and then a long trickle charge or could you rapid charge them from only half charged permanently to no detriment. I'm not aware this is being spoken about, and it reminds me of the ludicrous situation with the barely fit for purpose regen of car DPF's, where you can end driving nowhere just to let
• 2007 VW Passat S TDI Estate - Good or Bad buy 19 Dec 2016 (Forum)
  if the car is fitted with a DPF from what I have read there were not fitted to the 1.9 engine . Any advice would be much appreciated s
• Galaxy - Ford galaxy 1.9tdi which version is most reliable 7 Nov 2016 (Forum)
  towing and used around town .don't want any one with the DPF on     
• Citroen DS3 - New small car - shortlist help 5 Mar 2016 (Forum)
  6,000 a year if that (and not as many long journeys as I used to, so worried about DPF or EGR problems creeping in). I'm torn between going with something (hopefully) reliable and I suppose fairly dull (was thinking Toyota Yaris Hybrid) or something a bit different with a kick to it (e.g. DS3
• Mazda CX-7 - Mazda 2.2 diesel issues 30 Oct 2015 (Forum)
  and put into Mazda immediately - "if you hadn't sir this would have been a £9k new engine. We're seeing more and more of these now - seems to be a real problem". Really? (Shame it's out of warranty) 2. Flashing DPF light which diagnostics have revealed is a stretched timing chain, "sorry sir
• Reliable diesel for a budget of 4k? 20 Sep 2015 (Forum)
  almost went for another ford again but don't like the sound of the 1.6 engines with dpf and various other issues. I guess Hyundai i30's could be an option? Many thanks and apologie for the length of the post, I'm really hoping for some decent help.
• Audi A4 TDI 143 S Line 2008 onwards - buying advice 4 Jul 2014 (Forum)
  on this car ? mileage wise Are there any DPF issues I should be aware of ? some of these cars seem like spaceships 4 year old models with 150,000+ miles on the clock, suspect they are sales people driving these up and down the country is these anything specific I should
• Mazda 3 - Skyactiv 2.2 diesel engine-low mileage suitability 17 Apr 2014 (Forum)
  not suffer DPF problems thanks to its exhaust manifold in head configuration. I have a choice between an automatic 120 PS petrol Mazda 3 2014  and a manual 2.2 150 PS diesel. The cost is about the same but the petrol comes with leather interior. I expect the diesel to be worth about 30% more than
• VW Golf Estate 2.0 tdi 2009 - EGR 20 Feb 2014 (Forum)
  serviced at a main dealer. In August 2012 there was a fault with the DPF regeneration, which was fixed under warranty. Otherwise, nothing else to report. The car is regularly used on motorway/main road runs and infrequently for short, or traffic snarled hops. I have been in discussion
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  How much should a replacement cat converter cost? 13 Oct 2013 (Ask HJ)
  I have been quoted £2000 to replace the catalytic converter on my Toyota Verso by a main dealer - is this a fair price, It seems a lot.
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  diesels 8 Jan 2013 (Ask HJ)
  I'm looking for a second hand car - a smallish but stylish family hatchback - and am keen on diesel's mpg and torque but am mindful of the cautionary...