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I put petrol in my diesel car - what do I do? 20 Feb 2012 (Ask HJ)
I put 25 litres of petrol on top of two gallons of diesel in my wife's diesel engined car, then drove five miles before the engine juddered and I realised... -
Economy con 30 Jul 2011 (Ask HJ)
I read with interest comments on fuel consumption in your column. We have had a Golf Mk V Estate 2.0 TDI auto estate for over a year. It returns from... -
Is using premium diesel causing an EGR valve problem on my 2001 Skoda Octavia? 21 Jul 2010 (Ask HJ)
For the last 30,000 miles I've run my 2001 Skoda Octavia 1.9 TDI with 110,000 miles mainly on Shell V-Power diesel. Having done a fairly fast run down... -
Carbonic irrigation 26 Dec 2009 (Ask HJ)
I purchased a new Focus 1.8 petrol in April 2009. There is an intermittent fault sometimes on starting and sometimes when pulling away from rest. The engine... -
Saving pence, spending pounds 21 Feb 2009 (Ask HJ)
My wife took her 2002 RAV-4 for a service, which was uneventful. However, a few days later the engine management light came on, so back it went. The service... -
Winter wheels and tyres for my new Boxster 24 Sep 2012 (Ask HJ)
I'll shortly be taking delivery of a new Porsche Boxster, just as it's time to start thinking about winter tyres (which I've never had before). I can... -
Dervliverance 31 Jan 2009 (Ask HJ)
My husband and I are taking delivery of a new BMW 520d SE auto in January. We've never run a diesel before and are absolutely thrilled at the prospect... -
Can MHEVs travel just on EV power? 13 Nov 2024 (Ask HJ)
Do you have a data table of the range any hybrids can drive by electric power? Some are called mild hybrids have small range. I am interested in Jazz hybrid... -
Why are hydrogen cars not available? 19 May 2025 (Ask HJ)
I really don't like the idea of buying an electric powered car. I have seen articles from some quite major companies who have made a hydrogen engine. Why... -
Buying a new car - what would you recommend? 27 Jul 2014 (Ask HJ)
I am looking for a new car. The car I need has to have quite specific requirements (not least because I have significant back problems). I intend buying... -
Kuga rant 22 Dec 2012 (Ask HJ)
12 months ago I purchased a 12-month old Ford Kuga 2.0TDCI 163 SUV. This was a replacement for a LandRover Discovery Td5 auto and in general I am very... -
Volkswagen diesel engine problems following emissions scandal fix 3 Sep 2016 (Ask HJ)
We had owned two Volkswagen Tiguans and two Passats with the 2.0 TDI. The youngest 2012 Tiguan has just has the emissions fix done and it seems down on... -
Should I go for petrol, hybrid or electric? 16 Jul 2020 (Ask HJ)
O recently retired and I'm wanting an SUV for easier access. I do mostly short journeys, sometimes with two grandchildren. 8000-9000 miles annually anticipated.... -
Can I get a remap to improve the fuel economy of my Kia Cee'd? 9 May 2017 (Ask HJ)
Based on your advice and all you've written, I bought a Kia C'eed estate auto 1.6 diesel (no DPF) with 37,000 miles on the clock from a Kia dealer this... -
Will using premium fuel and driving gently improve the life of the EGR, DPF and injectors? 3 Apr 2017 (Ask HJ)
The emissions fix was done on my 2010 Volkswagen Golf 1.6 TDI in January 2017 and it now drives very differently. The DSG gearbox changes up into seventh... -
BMW 318i - NOX and cam shaft sensor failure 22 Aug 2016 (Ask HJ)
We have owned a BMW 318i from new in 2010 and have covered just 15,000 miles in six years. We have experienced NOX and cam shaft sensor failure twice in... -
Sudden decrease in fuel consumption 9 Jul 2016 (Ask HJ)
Back in March 2015 I asked you: "I bought a 2012 Honda Civic 1.8 EX i-VTEC in February, swapping it for my 2006 2.2i-CTDi. The overwhelming 'feature'... -
contract hire paperwork invalid 6 Feb 2016 (Ask HJ)
I leased a contract hire VW Touareg (245hp) in October 2014. Long story short, it didn't steer in a straight line and VW finally replaced it in December... -
Toyota Avensis Tourer maintenance advice needed 24 Apr 2015 (Ask HJ)
I own a Toyota Avensis Tourer (2009) diesel with 80,000 miles on clock. Can you please advise me whether I should have the timing chain changed along with... -
My fuel consumption is down - why? 19 Jan 2015 (Ask HJ)
I have a 3 month old Mondeo (TDCi 163) - on taking delivery the tank was empty and had to fill up with standard Jet diesel at the nearest garage - this...
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