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  Which SUV? 14 Feb 2013 (Ask HJ)
  I want an SUV type vehicle, about 2 years old, with decent space and access, pothole friendly wheels, tyres and suspension and good reliability. I...
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  Should I get a diesel or petrol van for short journeys? 19 Jan 2013 (Ask HJ)
  I have often read in your column of the shortcomings of diesel engines when used for frequent short runs, particularly the huge expense of replacing a...
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  Does the Qashqai's Renault engine avoid DPF problems? 19 May 2012 (Ask HJ)
  I currently own a 2002 diesel, and do a lot of journeys of only two miles and a few journeys of nearly 1000 miles. I assumed I could not buy a new diesel...
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  Qashqai or Golf? 17 Jan 2012 (Ask HJ)
  We have test driven the Golf 1.4 TSI and Qashqai 1.5 dCi N-TEC and love them. This car purchase will be for the next 5 years plus. We are husband and...
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  Poor economy on a Focus 1.6 TDCI 1 Jan 2012 (Ask HJ)
  I recently purchased a Ford Focus 1.6 TDCI Econetic. I bought it because it was meant to be averaging 65.6mpg combined, only to find that it was barely...
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  I need a £6000-£7000 reliable estate car 8 Dec 2011 (Ask HJ)
  I'm looking for an economical and inexpensive to run estate car for the family. Maximum budget is £7500. Preferably diesel but not a deal-breaker. Priorities...
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  Should I go for the 19-inch wheel option when I buy my new Honda CR-V? 22 Oct 2010 (Ask HJ)
  I am thinking of buying a top-of-the-range Honda CR-V 2.2 Diesel Auto with the Advanced Anti Collision system. This is probably the most expensive car...
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  Should Skoda contribute to a failed DPF in my Octavia vRS diesel? 7 Aug 2010 (Ask HJ)
  I have an 07-plate Skoda Octavia vRS diesel. It has a full Skoda service history with 72,000 miles (the next service is due at 78,000). Recently, the particulate...
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  Filter cough 23 Jan 2010 (Ask HJ)
  Can you advise concerning a blocked DPF, on our 2006 Jaguar S Type 2.7 diesel that caused a major breakdown at the end of a holiday on which we travelled...
• 2007 2.0TDI - Seat leon 31 Oct 2020 (Forum)
  I want buy Seat Leon 2.0TDI auto I like to know if it has a dpf
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  Buying a used Focus - petrol or diesel? 8 May 2016 (Ask HJ)
  We are thinking of buying a 2013 Ford Focus. We are advised that the 1.6 diesel is fine for longish journeys, but are concerned that it might give problems...
• Toyota Avensis 2011 2.0 D4d Estate - Car Maintenane, DPF Filter & Low MPG 25 May 2015 (Forum)
  service was done at 69,000 miles, so why are there these issues with the car? Can someone guide me if its time to replace the dpf? The blue white smoke, horrible smoke smell and constantly low MPG.. do all these add up to some fault or am i just paranoid?? Also any suggestion like trying
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  CR-V petrol or diesel? 28 Apr 2013 (Ask HJ)
  For some time I've been looking for a CRV EX preferred petrol up to 3 or 4 years old without success. What problems would I face if I bought a diesel?...
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  Are there problems with oil levels on the Mazda CX-5 12 Mar 2013 (Ask HJ)
  I am thinking of buying a Mazda CX5 Sport diesel ex demo but have read that in Australia there have been problems with DPFs & oil levels over the X mark?...
• Skoda Octavia - VAG PD Engines 10 Nov 2022 (Forum)
  Whilst searching for a replacement for my Audi A4 PD Tdi 130 I noticed that the Octavia fitted the PD engine without a DPF right until 2008. But power output of the Octavia is limited to 105 and the engine seems harsher and noisier than my Audi. I remember speaking to taxi drivers
• Toyota Rav 4 two wheel drive - May I have your views please 17 May 2021 (Forum)
  replacement is a RAV 4 diesel without no 4wd , manual and above all no Dpf . MK 2 up to 2010 ? Can you tell me what year the RAV 4 diesel was fitted with a Dpf ?
• Audi A6 2008 - Garage repairs 6 Feb 2017 (Forum)
  Good afternoon I'm after some advise on garage repairs, my car wouldn't start November 16, took it to Vw/ Audi specialist, he advised car had dpf filter blocked up also rocker cover needed to be removed and cleaned due to running car on incorrect oil,  I had a bill for replacement dpf from
• 2014 Hyundai Santa Fe - Sooty back end 6 Nov 2016 (Forum)
  I have a 2014 Santa Fe 2.2 197 auto (diesel) that has a DPF
• 2.0 TDI A4 - Smoke/steam from exhaust 3 Aug 2016 (Forum)
  of the tail pipes (no smoke/steam from the other) Could this possibly be due to it sitting for a while and just needs a good drive to clear it? or does it sound like the start of a DPF regen (already has had a new DPF and egr fitted within 12k miles) Any help welcomed, thanks    
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  Petrol or diesel? 17 Jan 2012 (Ask HJ)
  How often or how long a drive is necessary to regenerate a TDI 2.0 170 bhp Q5? I would mainly use for city runs ...6-10k annually. How long should the...