Showing results in  Ask HJ [Show all channels]

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  How do you know if your DPF is regenerating while driving? 4 Apr 2017 (Ask HJ)
  How do you know if your DPF is regenerating while driving?
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  Does a manufacturer's warranty include battery cover? 25 Oct 2016 (Ask HJ)
  My Nissan Qashqai is now 18 months old. Will the manufacturer's warranty cover me if the battery needs replacing?
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  BMW 218d and 220d - what's the difference? 31 Mar 2014 (Ask HJ)
  What is the difference between the BMW 218d and the 220d? Is it just the engine mapping? Can't they both be remapped to run the same power?
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  Buying a small 4x4 with a small engine. 20 Jan 2013 (Ask HJ)
  What options in the way of a 4X4 with a 1600cc or less engine are there? Petrol preferably, or no DPF. Offroading will be only on the ranges at Bisley....
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  306 leaking coolant 19 May 2012 (Ask HJ)
  My 306 keeps running out of coolant and a warning light keeps coming on, but my car temperature stays the same.
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  Overfuelling SEAT Cordoba with black smoke 15 Jan 2012 (Ask HJ)
  I have a 1999 SEAT Cordoba TDI. All of a sudden it started overfuelling, with black smoke.
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  Heater not blowing hot 7 Nov 2011 (Ask HJ)
  The car runs cold, I can only get warm air on the windscreen and to my feet, not to the central vents. Could it be the heater matrix/control valve or...
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  Vauxhall Zafira 3 Jan 2011 (Ask HJ)
  I have an 2007 Vauxhall Zafira 1.9 diesel and the oil level has risen is this down to the DPF?
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  Is this MG ZT-T a good purchase? 25 Aug 2010 (Ask HJ)
  I'm thinking of buying an MG ZT-T. What common problems are there? Are parts expensive? Running costs? Or are they to be avoided? Its a 2005 with 49,000...
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  Does my newly-rebuilt 1999 Ford Focus have a thermostat fault? 26 Jul 2010 (Ask HJ)
  I have recently rebuilt a 1999 Ford Focus 1.6 SE silver top engine, which runs very nicely. When the thermostat opens, the bottom hose gets nice and hot,...
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  Should my car be fitted with daytime running lights? 5 May 2023 (Ask HJ)
  Should my 2019 Vauxhall Corsa SRi VX line be fitted with daytime running lights?
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  Kia Ceed diesel - cam belt or chain? 30 Aug 2022 (Ask HJ)
  Does my 2017 Kia Ceed diesel have a timing chain? Does it use additives to keep the soot particulates down? Does it need regular longer runs to keep any...
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  Can I put E10 fuel in my Golf R? 16 May 2022 (Ask HJ)
  My Volkswagen Golf R is recommended to run on super unleaded 98 RON which is now super expensive. I know the performance and mpg might drop slightly if...
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  How does a stop-start engine systems work? 20 Sep 2021 (Ask HJ)
  We have a Ford Fiesta with a manual transmission. Could you explain how the stop-start operates?
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  What's the best electric or hybrid car for a long daily commute? 22 Oct 2020 (Ask HJ)
  What's the best electric or hybrid car for a 150-mile daily run? The main purpose is to reduce the monthly cost on fuel and balance that with the price...
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  Do older diesels do better with low mileage use? 4 Jul 2020 (Ask HJ)
  I know that modern diesels don't take kindly to low mileage usage but wondered whether earlier diesels weren't so intolerant (pre-Euro4). Most of the cars...
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  If I start using premium fuel after 80k miles, will there be a release of carbon deposits and would this damage the engine? 3 May 2020 (Ask HJ)
  My Avensis has done 82,000 trouble-free miles on supermarket petrol. If I now start using Shell high octane fuel, will I get a sudden release of carbon...
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  Which hybrid car is best in 2020? 4 Jan 2020 (Ask HJ)
  We currently have a nine-year-old Range Rover, which we use to tow our caravan. We are selling both, but we would like to replace the car with something...
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  Does a 12v socket run even when the ignition is off? 26 Nov 2019 (Ask HJ)
  Does the 12v socket work when a car is not on or does it work when it's only on? I require a black box in my car and have to keep it plugged in for six...
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  What family car what would you recommend ? 30 Sep 2019 (Ask HJ)
  We are looking for a family car. We have a Ford C-MAX but it is old. We often ferry kids around but do not require a massive seven-seater. We loved the...