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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... -
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... -
Why does my classic cut out on the motorway? 30 Jul 2014 (Ask HJ)
I am the proud owner of a 20 year old Audi 100. It has done 98,000 miles and is well maintained. Over the past three years the engine has cut out on the... -
Winter driving - car won't start 12 Nov 2013 (Ask HJ)
I have a 13 year old Audi A6 Allroad, which I use in the Alps in the winter. However, I’ve noticed that the car runs very poorly in cold weather and sometimes... -
Which small car offers good fuel economy? 16 Mar 2013 (Ask HJ)
My wife has a Vauxhall Meriva 1.6 Club which is three years old in August and has done about 15,000 miles. It cost just under £9000 new as it was the last... -
Is Shell monopolising fuel stations in certain areas? 22 Dec 2012 (Ask HJ)
I wonder if it's been noticed that Shell has recently bought virtually all the other petrol stations in the Camberley area. We had an Esso, a Texaco and... -
Audi A6 Particulate Filter warning light 17 Dec 2012 (Ask HJ)
The particulate filter warning light came on two days ago. I read the manual which suggested running the car in fourth or fifth above 2000rpm for 15 minutes... -
Do all the electrical accessories in modern cars increase fuel consumption? 24 Nov 2012 (Ask HJ)
There seems to be an ever-growing number of electrically-powered devices in cars: digital instruments, heaters, fans, air conditioners, ever more powerful... -
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... -
Carens start up issues? 23 Jul 2012 (Ask HJ)
I have a Kia Carens on an 06 plate, and very good it is. It has an intermittent and very odd starting problem, where it starts fine but will not rev. Once...
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