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Concerns over the DPF on my C-MAX 31 Jan 2012 (Ask HJ)
I have a 1.6TDCI C-MAX on 2011 plate. The mention of DPF keeps rearing its ugly head. Diesels use less fuel so pollute the planet less (in theory),... -
You must be choking 23 Aug 2011 (Ask HJ)
After exchanging my wonderful Volvo 940 Celebration for a 2008/58 V70 diesel estate last November, I took your advice and have always run it on BP Ultimate... -
When were petrol particulate filters introduced? 13 Aug 2021 (Ask HJ)
I’m thinking of buying a used Toyota Corolla hybrid and I noticed it has a Gasoline Particulate Filter. I thought only diesels had this type of filters?... -
What should I check when buying a used Audi? 27 Apr 2015 (Ask HJ)
I'm planning to buy an Audi A3 from the year 2012 onwards. I'd like a diesel, but can't decide between the 1.6TDI or the 2.0TDI engine. Which is more economical?... -
Need a car for a 14k commute - what do you recommend? 24 Apr 2014 (Ask HJ)
Which small/medium sized car is best for a 14,000 miles commute to work? I have £5000 to spend. -
Can you recommend a comfortable estate car which won't suffer any DPF problems? 6 Jul 2013 (Ask HJ)
We have two large dogs and moved from a 2007 1.9 auto diesel Golf estate to a 2010 Passat, but find the seats uncomfortable and are unhappy with the DPF.... -
Is a diesel suitable for me? 12 Jul 2012 (Ask HJ)
I'm an estate agent who drives 5 miles to get to work and 5 miles back, together with numerous local appointments throughout the day with engine on/engine... -
Does the 2009 Peugeot 207 SW have a DPF and a dual mass flywheel? 12 Jul 2010 (Ask HJ)
I'm thinking of buying a 2009 Peugeot 207 SW but I have a couple of questions. Does it have a dual mass flywheel and are there any known problems? Does... -
Why is my 2007 Astra Twintop diesel so problematic? 21 Jul 2010 (Ask HJ)
I have a 2007 Astra Twintop diesel with 51,000 miles that I love, apart from a recent problem with the emissions warning light frequently lighting up.... -
Should I buy my company Ford Focus 1.6 and does it have a DPF? 10 Sep 2010 (Ask HJ)
I retire in October and I'm considering buying my company car, a 57-reg Ford Focus 1.6 TDCI 90ps which has done 45,000 miles (I'm currently getting 64.8... -
I'd like to buy my friend's Fiat Doblo 1.9 diesel, but should I expect DPF problems? 25 Jun 2010 (Ask HJ)
I'm thinking of getting rid of my faithful SEAT Arosa 1.0 and buying my friend's Fiat Doblo 1.9 diesel, on a 53 plate with 94,000 miles. My driving is... -
Getting dealt a choker 29 Aug 2011 (Ask HJ)
I wonder if you can explain this. We have a FIAT Multipla 1.9 JTD Eleganza, 58 Reg, 15,000 miles on the clock. Last Thursday while my wife was driving,... -
Obsessed with smutt 21 Aug 2010 (Ask HJ)
I understand you have recently written on the subject of DPFs. My particular experience of the current X-Trail diesel (and my ongoing quarrel with Nissan)... -
Is there a major fault with the DPF-equipped Mazda 6 diesel engine? 27 Jul 2010 (Ask HJ)
The Mazda 6 diesel engine, from its first incarnation to the current model, has a new form of diesel engine with a diesel particulate filter. According... -
How do I keep the DPF clean to avoid trouble with the new MoT? 29 May 2018 (Ask HJ)
With regard to the new MoT changes for diesel cars with DPFs, how can I go about keeping my DPF clean? I have a 2017 Ford Grand C-MAX 2017, which I usually... -
Why is the oil level in my Kia Sportage so high after it's been driven? 31 Dec 2017 (Ask HJ)
My Kia Sportage oil level reads at well over the max mark when the engine has been running. I've been to Kia and they can't find a problem. What do you... -
AdBlue vs non-AdBlue - which is best? 2 Apr 2016 (Ask HJ)
I am looking at a new Skoda Superb Estate. The two options I have narrowed it down to are the 1.6TDi Greenline (with AdBlue) or the 2.0TDi (150PS, non-AdBlue,... -
Need a new diesel 4x4, but only cover short trips 6 May 2015 (Ask HJ)
I live in Jersey, and our Discovery 2 TD5 Auto is about to die. I am looking to replace it with similar, but a bit smaller, with a £20k budget. The... -
Two DPF failures in 12 months - can I take legal action? 10 Nov 2014 (Ask HJ)
I own a Vauxhall Corsavan 1.3 CDTI, which has suffered its second DPF failure in 12 months. Vauxhall informed me that the first failure was down to me... -
I'm thinking of replacing my Mercedes-Benz E280CDI with a BMW X3 - does the X3 have a chain cam and DPF? 13 Nov 2010 (Ask HJ)
I am retired and do approx 9,000 miles per year (mixed miles, mainly short) and am thinking of trading my Mercedes-Benz E280CDI for a new BMW X3. Does...

