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Which is the best fuel-efficient family car? 2 Sep 2010 (Ask HJ)
I need to replace my Volvo S80 and have been looking at the new, very fuel-efficient diesel engine cars (Blue Motion, Greenline, Volvo Drive-e etc). But... -
Long-range fuel thanks 27 Jun 2009 (Ask HJ)
I thought that your readers may find this interesting: I currently run a Peugeot 206 1.4 HDI turbodiesel. My motoring mainly consists of a 36-mile round-trip... -
How much tax is there in the cost of a litre of diesel or petrol? 16 Apr 2017 (Ask HJ)
It is about time that you gave us your breakdown again, of how we have crude at very low prices yet unleaded petrol at chronically high prices. The VAT... -
What's causing our Citroen C1 diesel to keep breaking down? 4 Sep 2011 (Ask HJ)
We have a 2007 Citroen C1 diesel and the mileage is 2100. We bought the car new from the Citroen dealer in Perth and we have had, throughout its life,... -
Will using a premium diesel help with my Mercedes-Benz E220's running problem? 23 Jul 2010 (Ask HJ)
My 2007 Mercedes-Benz E220 CDI with 49,000 miles sometimes used to feel like it was trying to lurch forward while moving at low speed, without any change... -
Is it worth using premium grade petrol? 26 Feb 2018 (Ask HJ)
Is premium grade petrol good value? -
Missing additive tank 24 Apr 2011 (Ask HJ)
My Peugeot 406 coupe is missing its fuel additive tank. What will it do to the car and its performance? -
Mazda6 estate injector seals - DIY job? 31 May 2013 (Ask HJ)
I have a 2007 Mazda6 Estate 2.0 diesel. I have a leak around the fuel injection seals - is it possible to replace these seals or does it require special... -
I replaced my diesel Octavia with a petrol Avensis and have saved a lot of money. 16 Jun 2012 (Ask HJ)
I was interested in your correspondent RY of Peterborough's comments about diesel engines. After 10 years of driving new and nearly new Volkswagen Group... -
Should I get a petrol or diesel SUV? 20 May 2020 (Ask HJ)
Should I get a petrol or diesel Porsche Cayenne? Will a diesel be hit with bigger taxes from the Government? I do 15,000 miles a year. -
Petrol in a diesel tank 10 Nov 2010 (Ask HJ)
I put in 26 litres of petrol in my 2.7 S type diesel Jaguar. Having realised this I then filled up to the tanks capacity (about 66 litres)with diesel.... -
Fuel contamination - how did it happen? 26 Oct 2013 (Ask HJ)
I am totally mystified as to how my diesel Ford Mondeo got contaminated with petrol. Last week I filled up with diesel at my local supermarket and drove... -
How can fuel pumps be improved to prevent misfuelling? 19 Jan 2013 (Ask HJ)
I know it is my fault, but I filled my diesel Mercedes-Benz car with petrol, and landed myself with a bill for £730. Amazingly, the car travelled 75 miles... -
Should I get another diesel car? 10 Mar 2017 (Ask HJ)
I drive about 25,000 miles a year on motorways and country roads for my job and need a reasonable sized vehicle to carry equipment plus a 4x4 capability,... -
What is a dual mass flywheel? 13 Oct 2012 (Ask HJ)
Please clarify two points for me. Exactly what is a dual mass flywheel, and is it something to be regarded as a potential future bill, like belt driven... -
Is a blocked DPF causing my 2004 Ford Mondeo to smell of diesel? 5 Sep 2010 (Ask HJ)
I have a 2004 (53 plate) Mondeo Ghia X 130, and recently I have noticed a smell of diesel at the end of a long run on A-roads and motorways when I get... -
Fuel pressure issues 3 Sep 2014 (Ask HJ)
I have read about a possible issue with the Ford C-Max and the fuel filter becoming easily blocked with emulsion, which forces the car to go into limp... -
What might have caused my 320d injector pump to fail? 16 Apr 2013 (Ask HJ)
Have just had the fuel injection pump on a 2000 BMW 320D replaced at a cost of £2,500. Trying to find out if BMW's recall on the fuel pre-delivery pump... -
Under achiever 10 Jul 2010 (Ask HJ)
We exchanged our SEAT Ibiza 1.9 diesel, which had given us trouble free service achieving and sometimes exceeding the mileage figures quoted by the manufacturer,... -
Should I have the oil changed in my Volvo V70 following the DPF recall related to oil contamination by fuel? 3 Jun 2010 (Ask HJ)
You probably know that Volvo have issued a safety recall related to rising sump oil levels in their D5 Diesel engines with a DPF, which is caused by excess...
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