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• Biggest regression on manufacturers' model change? 26 Nov 2009 (Forum)
  I'm thinking along the lines of particular vehicle ranges rather than general technological developments such as DMFs, DPFs or catalytic converters. Examples mentioned in Avant's post include: BMC 1100 to Allegro (which should have been a British Golf with a hatchback) Alfasud to Alfa 33 Peugeot 205 to 206 and 306 to 307 Saab 900 (pre-GM) to 9-3
• Silly speed limit increments 3 May 2009 (Forum)
  Stay in second and use almost as much fuel as a '68 Charger or chug along in third and budget for a new DPF every few weeks? Why not 25mph? While we're at it, why not have 35mph, 45mph and 55mph (35 being a sensible urban speed that doesn't make you feel like you're standing still) and 55 instead of 50 will be better for fuel economy and the environment.
• My question to an MP regarding Bio-diesel - Reply! 4 Feb 2011 (Forum)
  They believe that the dilution of this oil by unburnt diesel fuel causes a deterioration in its lubrication qualities, leading to a significant possibility of excessive engine wear and premature failure. They are also concerned because the recall campaign to repair the problem with the DPF has been conducted during the summer months, when regeneration is less problematical. They tell me that there is a considerable body of opinion to the effect that during winter months the DPF regeneration will not be completed correctly, leaving affected car owners with filters that become full and blocked, requiring a chargeable visit to the dealer to have the problem rectified.
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  What SUV do you recommend for towing? 24 Apr 2025 (Ask HJ)
  I need to replace my 2016 Hyundai Tucson 2.0 CRDi with something (petrol) that can tow at least 2500 kg. I am torn between getting a reliable, robust SUV...
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  What's the best second-hand long wheelbase van? 18 Jun 2018 (Ask HJ)
  I want to buy a second-hand long wheelbase van such as a Mercedes-Benz Sprinter or Renault Master and want advice as to the best make for reliability,...
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  I'm looking for an economical, reliable vehicle to transport school pupils - what do you suggest? 14 Nov 2017 (Ask HJ)
  I'm the Business Manager of a Special School in Kent. Our older students regularly go out on short trips in small groups to improve their life skills and...
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  Vauxhall Meriva rattling noise from engine 9 Sep 2016 (Ask HJ)
  I have a 2011 Vauxhall Meriva 1.3 diesel. When driving I get a serious rattling sound from the engine. It is a tinney sound like loose tappets or timing...
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  Should I get a new Mondeo diesel? 16 Apr 2015 (Ask HJ)
  I have a 2.0 litre Mondeo diesel Powershift which is only doing around 6000 miles per year.I have never had a problem with the DPF over 33,000 miles of...
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  Problem with car bought 2 months ago 3 Nov 2011 (Ask HJ)
  Hi HJ, let me know your favourite charity and I'll bung a few quid if you can advise me. Bought a Volvo S40 1.6D, Dec 07 model, 38k miles from an Evans...
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  Which fuel additives can I use in my Audi TDi? 23 Feb 2013 (Ask HJ)
  When I looked up the Platinum Plus additive on Google it threw up several other additives also. All claimed to decrease fuel consumption, give smoother...
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  Which new car offers reliability, good fuel economy and space for passengers? 28 Jul 2012 (Ask HJ)
  I am looking to buy a new car but am totally confused at the moment. I want a car with performance, good handling and comfort. My wife and I also need...
• Vauxhall Astra 2.0 CDTi Diesel (2013) - Vauxhall Astra - acrid smell inside car 14 Feb 2025 (Forum)
  I have a diesel Vauxhall Astra that I've had on-off problems with for a couple of years, mostly DPF related. I've done quite a bit to remedy this including having it taken off and cleaned out and having all the fuel injectors replaced for new ones. This has helped somewhat but the car has always had a tendency to smoke a bit out the back end and also smell.
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  Why is there black smoke coming from my diesel? 21 Aug 2024 (Ask HJ)
  I have a 2007 Mercedes A-Class diesel and I have replaced the glow plugs but it is still puffing out black smoke. What could be the cause?
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  What's a good SUV for a drummer in a band? 27 Nov 2019 (Ask HJ)
  My son is a drummer in a band and struggles getting all his kit into his current Skoda Fabia. Could you recommend an SUV that would be fairly economic...
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  Should we buy a diesel or petrol for our next car? 9 Oct 2017 (Ask HJ)
  We are considering buying a new car. Would you advise petrol or diesel as we understand the residual value of diesel cars will drop considerably and come...
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  My Volkswagen has improved since the emissions fix - is this unusual? 9 Jun 2017 (Ask HJ)
  We have a Volkswagen Golf 1.6 TDI which has had the software fix applied. Over the last month or so we've had a number of trips to London covering A and...
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  Should I sell my EU6 diesel Hyundai i30 or my Toyota Auris hybrid? 26 May 2017 (Ask HJ)
  I have a quandary as to which car to sell. My wife is getting a company car and we need to sell one of our current vehicles, comprising a 2015 Hyundai...
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  What convertible should I buy for £20,000? 13 Mar 2017 (Ask HJ)
  I currently have a BMW 318is which is getting on and have £20,000 to spend on a new car. I would like something used that's a nice, petrol, manual and...
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  What used petrol 4x4 should we get for £14,000? 16 Feb 2017 (Ask HJ)
  I'm looking to buy a used 4x4. We are likely to do a lot of short drives - because of this we're only considering petrol cars to avoid DPF issues and we...
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  Can you suggest a 50mpg small petrol car? 10 Jan 2017 (Ask HJ)
  We currently have a 2014 Kia Sportage 2.0 CRDi, bought for towing a caravan. We’ve sold the caravan and now only do about 10,000 miles a year, mainly short...