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Should I buy a diesel ever again? 2 Feb 2015 (Ask HJ)
A recent Channel 4 documentary questioned whether government policy towards diesels had been misguided because of the health risk posed by noxious pollutatants... -
Which classic should I buy for fun and investment? 1 Dec 2014 (Ask HJ)
I'm going to buy a Mercedes-Benz W129 for occasional use and as an investment or at least to avoid depreciation, either an SL 500 or 600 from the period... -
Getting a non-runner Transit back on the road 25 Oct 2014 (Ask HJ)
I've just bought a 2002 Ford Transit 2.4 diesel as a non-runner. It has got too much oil in it and looks like it has had oil in the header tank too. I... -
Which economical diesel for £7500? 2 Jul 2014 (Ask HJ)
I need to replace my 2003 Clio DCI with a larger car to accommodate my expanding family. I do 35,000 miles a year, 90% of that motorway. Therefore, fuel... -
Best used 4x4? 30 May 2014 (Ask HJ)
I've decided that my next vehicle will be a 4x4. I need it for everyday driving with mainly short journeys, therefore, I think it should have a petrol... -
Oil level rise in BMW 3 Series 19 May 2014 (Ask HJ)
My BMW 3 Series 320D 2008 (72,000 miles) has just shown an increase in the oil level over the maximum. This is on the car's computer and not the dipstick... -
Erratic temp gauge - should I be concerned? 15 Apr 2014 (Ask HJ)
I have a 2005 MG ZT-T diesel with 69,000 miles - up to the last 3000 miles the needle on the engine temp has always stayed at the half way bar on the gauge... -
E10 petrol - will it damage my modern classics? 26 Feb 2014 (Ask HJ)
I’m concerned about the introduction of E10 (petrol) and the impact it will have on my 1997 Jeep Cherokee and 1988 Porsche 944 Lux Auto. Is there anything... -
Can you suggest what might improve the fuel consumption on my '06 Honda Jazz? 8 Nov 2013 (Ask HJ)
Can you suggest what might improve the 33 miles per gallon I'm getting with my '06 Honda Jazz, 1.4, purchased 12 months ago. True I only do fairly local... -
Company car options - Mercedes or BMW? 5 Nov 2013 (Ask HJ)
I'm coming up to picking my next company car and have (probably) narrowed it down to the facelifted Mercedes-Benz E-Class 250CDI (auto box with AMG kit)... -
Have you noticed a rising oil level in the Mazda 6 due to a DPF fault? 2 Nov 2013 (Ask HJ)
I notice you were yet to be made aware of any DPF issues with Mazda Skyactiv diesels so I thought you might like see the attached which comes from the... -
Why did Royal Mail buy Fiat diesel vans with DPFs? 26 Oct 2013 (Ask HJ)
My postman tells me that Royal Mail recently took delivery of new Fiat vans fitted with diesel particulate filters. Now postal workers on suburban stop-start... -
Why are the 2003 and 2009 Avensis fuel economy rates so similar? 14 Sep 2013 (Ask HJ)
Your real mpg lists at www.honestjohn.co.uk/realmpg make very interesting reading. I note that the real mpg values for the 2003 Avensis and the 2009 Avensis... -
Why is our Renault Scenic averaging only 26mpg? 14 Sep 2013 (Ask HJ)
Our 2002 Renault Scenic 1.6 automatic has clocked exactly 45,000 miles. On a recent motorway journey of 150 miles I decided to check the economy and was... -
What hot hatch below £5000? 3 Sep 2013 (Ask HJ)
After driving a Toyota Corolla for five years with no problems, I'm looking for a hotter hatch for a change but would still like the reliability. It must... -
Can you recommend a used car with good fuel economy? 6 Aug 2013 (Ask HJ)
I’m looking for a quiet and reliable car for long motorway work. I cover 15,000 – 20,000 miles a year. So far I have driven a 2012 Honda Civic 2.2 DTEC... -
How does my Volkswagen Golf's stop/start system work with a turbocharger which needs cooling? 29 Jun 2013 (Ask HJ)
The 'start/stop' system on my new Volkswagen Golf TSI is operating very smoothly and presumably contributing to its relatively good urban fuel consumption.... -
Can a 'get me home' spare wheel be used with a caravan? 25 May 2013 (Ask HJ)
In common with many new cars, the Ford Mondeo 2.0 TDCI has a narrow 'get me home' spare wheel that is limited to a maximum speed of 50mph. If I have a... -
Downsizing from Citroen Picasso, recommendations needed 21 Feb 2013 (Ask HJ)
We acted on your advice when we bought our Citroen Picasso and have been very happy with it, but 175000 miles later it needs replacing. We do about 18000... -
2003 Mondeo stuttering 20 Feb 2013 (Ask HJ)
I have a stuttering mondeo with p0171 fault, running too lean. I have changed the air filter, changed the MAF sensor, changed the fuel temp sensor, cleaned...
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