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Will premium diesel make my DPF last longer? 27 Sep 2016 (Ask HJ)
You frequently advocate the use of Shell V-Power Nitro Diesel which I have used in my Citroen C5 from new. You also state that diesel engines are prone... -
How can I improve my Octavia's fuel economy? 27 Apr 2015 (Ask HJ)
I have a 2013 Skoda Octavia 2.0 diesel. However, while my old Octavia gave 65mpg, I find the new model to struggle to get past 50mpg. I understand... -
Should I keep or sell my Mk2 Golf? 18 Aug 2014 (Ask HJ)
I bought my 1990 Volkswagen Golf from new in September 1990. It has alloy wheels, sunroof, radio cassette, CD player and 113,000 miles on the clock. It... -
What's causing the engine light illuminate on my Mercedes E-Class? 11 Oct 2013 (Ask HJ)
I bought a 2009 Mercedes-Benz E-Class CDI Blue Efficiency two days ago and the engine management light has come on. I took it back to the dealer and they... -
Is this fuel economy normal 7 Sep 2012 (Ask HJ)
I bought a 2006 Mondeo TDCI. It's running perfectly and has just had a major service. I'm only achieving just over 120 miles per 1/4 tank and thats on... -
I successfully sued Tesco for not labelling fuel pumps properly. 28 Jul 2012 (Ask HJ)
I poured unleaded petrol into my diesel Hyundai iLoad van a few months ago at Tesco, but luckily realised before starting the engine. I looked at the pump... -
Is my tank bigger than the manual says? 1 Mar 2012 (Ask HJ)
I filled up at a Shell station with V-Power following you advice. The range indicator was 60 miles before fill-up indicating 7-8 litres of fuel remaining,and... -
1999 HDi black smoke on revving 4 Nov 2011 (Ask HJ)
I have a Peugeot 406 HDi 1999 (90bhp). . It has failed its exhaust emmissions test 4.7 showing and it needs to be below 3.0. There was a lot of black smoke... -
DERV hurt 9 Oct 2011 (Ask HJ)
I have recently purchased my first diesel car and have been informed that I should put the expensive diesel in from time to time as it is a cleaner fuel... -
Deal. Or no deal? 29 Aug 2011 (Ask HJ)
A Range Rover, dealer is advertising new Diesel Range Rover 4.4 TD V.8, cash price: £68,995, deposit: £41,436, pay after 24 months £27,549, or give the... -
Auris fuel economy 23 Aug 2011 (Ask HJ)
You stated that you were able to return 62.3mpg on a 300 mile trip in father in laws Toyota Auris hybrid. We have had ours since September and can only... -
How can you tell which cars have DPFs? 16 Mar 2011 (Ask HJ)
Is there any easy way of telling which diesel cars have a DPF? I had assumed it was only those that were Euro V compliant but when browsing some second... -
Convertible to cash 26 Jun 2010 (Ask HJ)
Redundancy and a change of lifestyle are forcing me to part with my BMW 330Ci Sport coupe. I purchased the car, new and to my own loaded spec, in March... -
Double charged 31 Oct 2009 (Ask HJ)
I have a VW 1.4 Twincharger, 2 years old, which has developed a frequent slight hesitation at about 3,500 rpm when accelerating; this may be as it switches... -
Doesn’t figure 24 Oct 2009 (Ask HJ)
Just over a month ago I bought a March 2009 Mazda3 1.6 Sport. Under the technical details of the car the Combined fuel consumption is 40.9mpg (Urban 31.7... -
Jazz blues 7 Mar 2009 (Ask HJ)
In terms of fault occurrence, my Jazz is the most unreliable car I have ever owned. After a few hundred miles, the fuel consumption worsens by 10mpg or... -
Volkswagen 2.0 TDI fuel consumption increase - what's causing it? 3 Dec 2015 (Ask HJ)
I own a 2009 Volkswagen Passat 1.6 TDI BlueMotion and recently I realised that the fuel consumption has increased considerably. I used to do 49 mpg easily... -
Which 4WD vehicle to replace my Subaru Forester? 23 Mar 2013 (Ask HJ)
I currently have a 2005 2.0-litre Subaru Forester and would appreciate your advice of a replacement. I bought this car in May 2009 and chose an AWD as... -
A small, reliable car for a single mum 25 Apr 2012 (Ask HJ)
I'm a single mum and I need a new, not too small car to fit 2 teens with instruments. Fear reliability of low budget models - any suggestions? What... -
Honda CR-V 1.6 i-DTEC hesitation below 2000rpm 12 Apr 2016 (Ask HJ)
I own 2014 Honda CR-V 1.6 diesel. Recently I've noticed it has an intermittent hesitation issue - most noticeably when cruising at light throttle in top...
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