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Does the trip computer on my car give accurate fuel economy readings? 15 Nov 2018 (Ask HJ)
My Ford Mondeo the dashboard info tells me my average mpg is 57.2 - way above what I see on Real MPG. Could this be a true figure or computer error? -
Poor fuel economy after service 6 Jan 2016 (Ask HJ)
My Vauxhall Zafira 1.7 diesel (13 reg) used to do about 45 miles to the gallon around town but after my last service it does only 38 miles to the gallon.... -
Does climate control increase fuel consumption 6 Mar 2014 (Ask HJ)
If I put auto climate control on 99% of the time will I use more petrol than if I turned it off ? To assist you I drive a Ford Mondeo Ghia X Manual... -
All weather tyres - are they any good? 28 Jan 2014 (Ask HJ)
I am interested in replacing Michelin Energy / Primacy tyres with your recommended Goodyear all year tyres to enhance winter performance. What are the... -
How can we tell the difference between petrol and diesel? 29 Jun 2013 (Ask HJ)
We have two fuel containers for emergency use in our cars, my husband’s being petrol and mine diesel. Is there any way of knowing which is which? We think... -
What weight figure is accurate? 14 Feb 2013 (Ask HJ)
I was looking at the brochure for the new Peugeot 208 and noticed that the kerb weight of a 1.2 VTI is 975kg, however its mass in service is 1,168kg, a... -
Fuel economy is disappointing. 17 Sep 2012 (Ask HJ)
I have just bought a brand new Hyundai i20 1.1 75PS Active. The marketing documentation claims that the car will achieve 61.4 mpg (urban) 83.1 mpg (extra... -
Poor fuel economy in my Ford Fusion diesel 1.4 . What's the cause? 6 Jun 2012 (Ask HJ)
I have recently bought a Ford Fusion Diesel 1.4. It's one owner with 46,000 miles. I am only getting 43mpg on a combination of motorway and commuting journeys.... -
Poor fuel economy on a Lexus IS - any ideas? 31 May 2012 (Ask HJ)
Just bought a Lexus IS220d and I'm very dissapointed with the mpg, I'm only getting 24 mpg, but the official Lexus site says 35 mpg urban 55 extra urban... -
Black smoke from an Octavia 9 Nov 2011 (Ask HJ)
I have a Skoda Octavia 1.6. It has 170,000 km in good condition but it has problems - black smoke from the tail pipe and a high fuel consumption. I changed... -
Car won't start after running out of fuel 6 Nov 2011 (Ask HJ)
Hi, my car ran out of petrol and filled it up with more petrol but now the engine wont start. It was fine before. It starts but just doesnt turn over and... -
DPF additives 1 Jun 2011 (Ask HJ)
I have a Skoda Yeti 2.0 Diesel with DSG. 5,000 miles a year, 40% of my journeys less than 5miles. Would a fuel additive reduce the chance of clogging and,... -
Any idea why my Vauxhall Astra misfires after being started when cold? 21 Aug 2010 (Ask HJ)
I've bought a Vauxhall Astra 17DTi. I am having trouble with it misfiring when it is cold first thing in morning, but once warm it runs great. I have changed... -
Lost in translation 28 Mar 2009 (Ask HJ)
At a fuel station, a customer filling with fuel at one pump could give the cashier an alternate pump reading (if he assumed it be less than his own) and... -
Whats the best SUV on a £16,000 budget? 22 Mar 2023 (Ask HJ)
I bought a Peugeot 3008 and a 2006 Hyundai Getz 1.1 I use for work. It's not the most comfortable car and as I'm not using the Peugeot as much as I've... -
My car won't start - can you help me? 29 Mar 2018 (Ask HJ)
My car has problems starting. A mechanic replaced the straight front exhaust pipe and after a couple of weeks the car doesn't start. The mechanic tells... -
What tyres would you recommend for my Volvo? 8 Feb 2024 (Ask HJ)
Help please, so many tyres and prices to choose from. Should I be looking at fuel efficiency for example? -
What's the fuel efficiency of a plug-in hybrid when the battery has run out? 19 Jul 2021 (Ask HJ)
Is there a rule of thumb about how much less efficient a plug-in hybrid is when the battery runs out compared to a combustion engine equivalent? For example,... -
How much extra fuel will be used if I run the air con full time? 23 Apr 2021 (Ask HJ)
General advice seems to be to run a car's air con continually. How much extra fuel will this use? -
Why will my Citroen Xsara not rev properly? 9 Oct 2019 (Ask HJ)
Do you have any advice as to why my Citroen Xsara 1.4 petrol won’t rev properly? I’ve changed the throttle body and added fuel treatment. It runs and drives...
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