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Buying a new, efficient petrol 4x4 11 Nov 2011 (Ask HJ)
Buying New 4x4 (not 4x2 version) but it will only cover 3000 miles/per annum. As all modern diesels have DPFs we can't have a diesel, so besides Suzuki... -
At what point do short journeys negatively affect diesel particulate filters? 8 Sep 2010 (Ask HJ)
You often talk about the relationship between short journeys from cold in diesel engine cars and the premature failure of diesel particulate filters. In... -
Should I buy a petrol or a diesel? 22 Dec 2012 (Ask HJ)
I really like the look of the Vauxhall Insignia and have test driven one at my local dealer; however, the salesman has told me about DPFs, which are now... -
Why does my DPF warning light keep coming on? 10 Feb 2025 (Ask HJ)
I have a 2012 Honda CR-V and the Diesel Particulate Filter Warning Light keeps coming on. I get it recharged and it has had the ERG valve replaced recently.... -
Will a diesel car with a DPF suit my needs? 17 Aug 2023 (Ask HJ)
I bought a diesel 5 years ago (non DPF) as I was doing 40 miles a day, just commuting for work, 98% of which was motor way speeds. Plus other personal/general... -
Partic bristle 4 Sep 2010 (Ask HJ)
Time after time I read you comments about problems with DPFs and todays' copy of the Telegraph was no exception. I personally had my first problem after... -
Is my Fiat 500 Multijet suffering from a DPF fault? 21 Dec 2013 (Ask HJ)
I purchased my Fiat 500 diesel Multijet in April this year. It's about five years old. According to the service history, the oil was changed in October... -
Buying a Volvo XC90 - petrol or diesel? 19 Nov 2013 (Ask HJ)
I am looking to buy a second hand Volvo XC90 Geartronic for local private use and to stand in for my business van when road conditions in the winter call... -
Is the 1.6-litre Ford Focus turbo petrol a solution to the DPF and DMF problems of diesel cars? 18 Feb 2012 (Ask HJ)
Your warnings on the failure costs of turbos, DMFs and DPFs mean that the very features that reduce fuel usage and emissions raise the risks of high repair... -
Diesel Particulate Filters 14 Mar 2011 (Ask HJ)
Despite reading your column each week I am stiil confused and getting conflicting advice. Should I buy petrol or diesel engine? I drive 9000 miles a... -
How do I check the EU exhaust rating of a car I want to buy? 11 Jul 2019 (Ask HJ)
I have been offered a second-hand Volvo V90. The dealer says they cannot confirm its EU exhaust rating but has given me its VIN to check. How do I do that?... -
which used diesel will suit me 6 May 2016 (Ask HJ)
hi i do about 18,000 miles a year, but this may go up even further, so i am looking at a diesel i am after one that's reliable and cheap to run,... -
Buying a diesel Qashqai - can I use it for short trips? 26 Nov 2013 (Ask HJ)
I'm debating buying a 2010 Nissan Qashqai 1.5 DCi. I do a few odd trips across the country and want something comfortable, but dislike estates. However,... -
Is a seven mile journey enough to allow my BMW 320d's DPF to regenerate? 26 Oct 2013 (Ask HJ)
I drive a BMW 320d and was interested in your response to the email from EJ, Market Rasen concerning the burning off of diesel particulates. What do you... -
Buying Bangernomics diesel 9 Jan 2013 (Ask HJ)
Due to my high mileage covering 27,000 miles in 18 months in my petrol Ford Focus, I'm now looking to buy a diesel to replace it. However, I've previously... -
Is my Citroen Picasso supposed to be so slow? 11 Sep 2010 (Ask HJ)
I've bought a Citroen Picasso 1.6HDI for taxi driving. I've been driving it for a week now and noticed that it seems to lack power when accelerating. I... -
Is it wise to buy a Jaguar X-Type diesel estate with a DPF? 24 Jul 2010 (Ask HJ)
I would like to buy a used Jaguar X-Type 2.0-litre diesel estate with full leather seats. Do I need to worry about the expense to replace clogged particulate... -
Will petrol particulate filters suffer with the same problems as DPFs? 10 Aug 2018 (Ask HJ)
One of the problems with diesel engines for low mileage users is the clogging of DPFs. Petrol particulate filters now seem to be appearing, so are they... -
Are VAG diesels built using "Manifold in Head" tech? 29 Apr 2015 (Ask HJ)
Is it true that some VAG diesels have been built using the "Manifold in Head" tech that other makes (Renault) have used to good effect in reducing DPF... -
What do these abbreviations mean? 9 Aug 2012 (Ask HJ)
Could you explain such terms as DPF, DMF, CVT transmission, ABS, etc?
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