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Golf R carbon build up - is there a cure? 5 Dec 2014 (Ask HJ)
Is there anything I should add to petrol to reduce the carbon build up on the exhaust in my Volkswagen Golf R? Or will it harm engine? There is a build-up... -
What's causing my Mazda MX-5 to shudder under acceleration? 7 Sep 2013 (Ask HJ)
I have just bought a 2008 Mazda MX-5 2.0 Sport RC from a franchised dealer, the car was serviced in April by the dealer and has 45,000 on the clock. After... -
Mercedes C200 CDI - loss of power 24 Jun 2013 (Ask HJ)
We purchased a 2008 Mercedes-Benz C200 CDI last year from a car supermarket in Sheffield. It has covered 46,000 miles and was serviced by the manufacturer... -
Can you explain whether a PHEV or a self-charging hybrid would be better suited to my driving? 6 Nov 2019 (Ask HJ)
I'm looking at changing my diesel car for a plug-in hybrid or a self-charging hybrid. Could you explain the difference between the two systems and whether... -
Is it worth using premium fuel in an old car? 2 Jun 2016 (Ask HJ)
Having just sold my 2004 BMW 330 convertible to a family member after seven fault free years, I intend to replace it with a 328 Touring on my budget of... -
Fuel consumption test? 19 Nov 2015 (Ask HJ)
For the last 18 years, I have kept a record of fuel consumption in a spread sheet of the cars I have driven, from 1997 to 2002 when I drove company cars.... -
X-Trail fuelling issues 24 Sep 2012 (Ask HJ)
I wrote recently, and thank you for the reply, about my 2011 X-trail and the "flatness" around 2000rpm. My dealer says they all do it, something which... -
Superfragilisticexpialigocious 28 Aug 2010 (Ask HJ)
I'm on my second Mondeo 2.5V6. I've run them both on ordinary unleaded but at about 68k miles (now 72k miles) my car developed a misfire at low revs when... -
My Nissan Figaro's power steering fault is proving difficult to repair - is the dealer liable? 24 Mar 2012 (Ask HJ)
My daughter purchased from a dealer a 20-year-old Nissan Figaro with a full three-month warranty. She returned the car as the power steering was leaking.... -
Voice control not working on Honda CR-V Hybrid sat-nav, how can I fix this? 11 Jul 2022 (Ask HJ)
I have a recurring problem with my Honda CR-V Hybrid sat-nav. The voice control disappears. This is a safety issue insofar as you have to look at the screen... -
Will supermarket fuel damage my injectors? 12 Jul 2024 (Ask HJ)
I have heard that supermarket fuel damages the fuel injectors and its best to use non supermarket fuel - is this true? -
Volkswagen Golf GTI vs Golf R - which is better? 17 Nov 2020 (Ask HJ)
Which would be most appropriate for everyday use, a second-hand Golf GTI or a used Golf R? -
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... -
Replacement for Jeep Cherokee 17 Feb 2013 (Ask HJ)
I am thinking about replacing my 7 yr old petrol auto Jeep Cherokee. I do 5000 miles a year and don't need full 4x4, but wish to retain a lazy petrol engine... -
Real MPG 28 Aug 2015 (Ask HJ)
I have a new Hyundai i20 1.1 CRDi Blue and am getting a miserly 60mpg with fairly careful driving. Your data for the i20 1.1 CDRi includes both the blue... -
Vauxhall Corsa - Cam belt or chain? 30 Apr 2016 (Ask HJ)
I have a 2016 Vauxhall Corsa 1.4 petrol. Can you please tell me if it has a cam belt or a cam chain? Also, when accelerating up through the gears from... -
Hyundai ix35 fuel filter issues in cold weather - is this right? 12 Jan 2015 (Ask HJ)
I have recently had a problem with my Hyundai ix35 (12 reg/25,000 miles) regarding the fuel filter clogging up in cold weather. The car came to a halt... -
What's the difference between the Mercedes-Benz ML250CDI and 350CDI? 20 Apr 2013 (Ask HJ)
I shall be ordering a new Mercedes-Benz ML within the next few months. Given current exorbitant taxes, the new ML250CDI seems a better bet than the 350CDI....
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