Showing results in Ask HJ [Show all channels]
Sort by: Relevance | Newest first | Oldest first
-
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.... -
Would my hybrid car benefit from premium fuel? 22 Jul 2017 (Ask HJ)
I have a new Toyota C-HR Hybrid in which I'll do about 8000 miles per year, mixed driving. I also have a 2016 Toyota Aygo semi auto in which I do about... -
What octane petrol should I use in my JCW MINI? 15 Aug 2022 (Ask HJ)
What octane petrol should I use in my John Cooper Works MINI? The handbook recommends Super Plus, with 98 RON. One of the leading supermarkets sell a 97... -
Has anyone tested the mpg figures across different fuel brands? 21 Sep 2013 (Ask HJ)
Assuming identical driving conditions, should similar miles-per-gallon be achieved no matter which fuel company's products are used? Have results been... -
How can I prepare my Jeep Cherokee for a long drive with a caravan? 29 Sep 2012 (Ask HJ)
I used to use my 2004 Jeep Cherokee 2.8 CRD Limited to travel backwards and forwards from Exeter to Manchester. More recently we use hire cars, so the... -
Is supermarket fuel inferior to petrol station fuel? 30 Nov 2013 (Ask HJ)
It was recently suggested to me that fuel obtained from supermarkets is inferior to that obtained from filling stations and service areas and is “diluted”... -
How do I keep my new i40 healthy? 8 Feb 2012 (Ask HJ)
I take delivery of a Hyundai i40 diesel in March and have read your posts about Particulate Filters with interest. 4 My mileage has fallen dramatically... -
Intelligent Motorist Pack 30 Aug 2015 (Ask HJ)
My 2014 Swift was serviced on Friday by the main dealers - they charged me £24.98 + vat for a "intelligent motorist pack". This turns out to be an engine... -
Skoda EGR valves 28 May 2015 (Ask HJ)
In March 2014 at 36,000 miles the EGR valve failed on my Skoda Superb and was repaired under warranty. In May 2015, the EGR valve has failed again at... -
Focus diesel runs rough when cold 22 May 2013 (Ask HJ)
My Ford Focus 2.0 TDCi 05 plate runs rough when cold - like a petrol car 'missing.' It's OK when accelerating. I have had the glow plugs changed but... -
Fiat 500 engine options 16 Mar 2015 (Ask HJ)
I'm looking to buy a fiat 500 but torn between the 1.2 or 0.9 twin air engines - which would you recommend? If going for a 1.2 is there any way of knowing... -
Diesel Fuel Quality 22 Nov 2011 (Ask HJ)
Following your advice I usually use Shell Diesel (I know you recommend some other varieties), I pass on this advice to others. However I usually get a... -
Toyota Aygo sudden loss of power 29 Jul 2015 (Ask HJ)
I have a 2006 Toyota Aygo diesel but recently a couple of times I have had a quick sudden loss of power as if something is slipping or cutting out. It... -
What can I do to repair my Ford Escort GTI which keeps losing power? 30 Aug 2010 (Ask HJ)
My 1997 Escort GTI keeps losing power. When I start it up it idles fine, but when I press the accelerator it chugs and splutters when it is cold. Took... -
Why is my Peugeot 206's engine management warning light coming on? 16 Jul 2010 (Ask HJ)
My Peugeot 206 XSI 1.6 petrol has an anti-pollution fault and engine management fault light on the dashboard. It also went to reduced power with little... -
How much of the fuel efficiency of a 2016 Prius Plus would you say is due to different elements? 2 Oct 2016 (Ask HJ)
How much of the fuel efficiency of a 2016 Prius Plus would you say is due to the different elements of (1) the Atkinson cycle CVT engine (2) hybrid battery... -
Panda fails after 100 miles - what's the fault? 15 Jan 2015 (Ask HJ)
My Fiat Panda is three months old and I have been back to the garage several times. If I travel over 100 miles it splutters, like dirty petrol. The warning... -
Intermittence 26 Jun 2010 (Ask HJ)
My friend's 1990H Toyota MR 2 with 50,000 miles starts OK hot or cold. It runs perfectly. Now and then it stalls at junctions at working temperature. The... -
Supermarket fuel v branded fuel - which is best? 27 Mar 2024 (Ask HJ)
I have a question for you about what is the best, most suitable fuel (petrol) to put in my recently bought 2019 Kadjar S Edition 1.3 TCe 140 EDC with 21K... -
What's the rotten egg smell in my car? 22 Jul 2017 (Ask HJ)
My 2010 Toyota Prius has been stuttering and there's a rotten egg smell. I've sent it to Toyota for repairs. What could be the problem?