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  Good Manners 3 Jul 2010 (Ask HJ)
  I have driven a Hyundai Matrix 1.8 for the last seven years, from new, and never had any trouble with it. I am 73 years old and don't do many miles. I...
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  Someday smut 25 Jan 2010 (Ask HJ)
  I thought you might be interested to hear about my DPF experience. I drive a 2010 VW Golf 2.0 TDI GT, which I love. The mileage to date is less than 3,000....
• Mazda 6 - 2006 Mazda 6 Diesel low performance, no CEL 3 Jul 2021 (Forum)
  I got P0402 (EGR excessive flow) code once, I was cruising on highway in 6th speed and TCS + CEL came on dashboard, checked it on OBD reader, cleared and never seen it again. My only guess is that DPF is clogged, but I don't get DPF warning light. Sometimes I get double digits on current consumption, just in case it helps to sort out this issue. Any help would be very appreciated. Sorry for the long post and thanks.
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  What should I pay attention to if I buy a high mileage car? 21 May 2020 (Ask HJ)
  I'm thinking of buying a high mileage Volvo XC90. Any tips of what to look out for?
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  Why won't my Hyundai Santa Fe let me upshift if it thinks we're going too slow? 10 Dec 2017 (Ask HJ)
  My Hyundai Santa Fe will not let me change up manually if it thinks we are going to slow. My other Tiptronic auto would let me go into any gear, even...
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  Buying a used Citroen C4 Grand Picasso - petrol or diesel? 23 Sep 2016 (Ask HJ)
  I need an MPV for multiple children carrying to replace my beloved but ageing Citroen C8. However, our journeys are mainly short - often much less than...
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  Buying a used Jaguar XF 10 Dec 2015 (Ask HJ)
  I'm planning to buy an approved used Jaguar XF (2013 reg).I prefer the looks and power of the V6 diesel S(275PS).Do you thing it will suffer more problems...
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  Buying a 4x4 for the school run - diesel or petrol? 8 Sep 2013 (Ask HJ)
  We are looking to buy a 4x4 for our two mile school run. We are keen on a BMW X3, but have heard that short trips are not good for diesels due to the DPF...
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  Petrol or diesel? 2 Apr 2011 (Ask HJ)
  An answer you posted recently pointed out multiple drawbacks to diesel ownership from the fourth year onwards, on a car under a 3 year lease. If I buy...
• Any - How long does an exhaust pipe last? 7 Oct 2023 (Forum)
  I’ve owned cars for 30 odd years now and in that time, I’ve replaced one exhaust pipe on a Japanese import Nissan Figaro that we’ve had for 18 years. Have had both petrol and diesel cars (pre DPF, with a nice lining of soot in the exhaust and with DPFs) and in perhaps 350,000 miles over that 30 odd years, aside from one exhaust for the Figaro, I’ve never replaced any exhaust components, even on cars that I’ve run for longer than 10 years.
• Honest John's Motoring Agony Column 09-02-2019 Part 1 12 Feb 2019 (Forum)
  Indeed, the questioner says it was purchased with an MOT. Isn't emissions part of the MOT test? If the DPF had been cut in half and internals removed, should the car have passed an MOT? It may well have been something that was overlooked on the MOT, but questioner had been driving the car for 6mth / 8000miles without error.
• ford focus diesel tdci - focus help 25 Nov 2017 (Forum)
  Where to start, 3 weeks ago my 1.6 diesel focus TDCI went in to limp mode... took it to the garage and codes read DPF filter, i had i chemically flushed and all was well. yesterday went into limp mode again displaying Engine systems fault, so back to the garage. the mechanic who i know is very experienced and trustworthy ran another diagnostic this time dpf, power steering, battery and alternator codes have came up, he has check these faults and they are all fine, he seems to think this could be a software problem or a wiring issue, i told him i did not want to spent hundreds on this car valuved at £1000 so he advised me to fined a mechanic who will fiddle around with the software and maybe to BLOCK the codes from coming up and sending it into limp mode.
• VW Amarok 2012 - Warer pump failed Limp mode 18 Jul 2017 (Forum)
  They said the water pump has gone and is covered but my DPF needs degenerating and my air filter is soiled so needs replacing. These 2 are not covered under warranty.  Surely all the faults are related to each other and they should be paying for all repairs?
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  What is the smell around the exhaust of my car after a long run? 9 May 2017 (Ask HJ)
  My Audi Q5 has a smell like hot tarmac around the rear and exhaust area after a good run. It doesn't smell like oil and the oil level is steady after 500...
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  What's the best automatic for a tall driver? 11 Jan 2017 (Ask HJ)
  What's the best second hand automatic car for a tall man, with a tall family, that does a various distance of miles for work?
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  Buying a Honda CR-V - petrol or diesel? 21 Mar 2016 (Ask HJ)
  I want to replace my 2002 Honda CR-V petrol with the newer model. Should I go with petrol or diesel? I would buy a 2008/9 with 100k miles and would do...
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  Which S-Max engine is best? 21 Jun 2014 (Ask HJ)
  We are thinking of trading our Volkswagen Golf Plus for a one year old Ford S-Max. It'll mainly do running around with a longer trip once a week on average....
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  Should I buy a carl with 104k miles on the clock? 7 May 2014 (Ask HJ)
  I have seen a 2008 Ford Focus estate 1.6 TDCi with 104,000 miles on the clock for £3995. Would you recommend buying this caR?
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  What car with high seats and a petrol engine? 3 Jun 2013 (Ask HJ)
  I have a Hyundai ix35 1.7D Premium and am considering changing to a petrol car. What is available that has a fairly high seats for easy entry (for my dodgy...
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  Changing from a Cee'd for lower mileages? 21 May 2013 (Ask HJ)
  I have owned a '58 Kia Cee'd CRDi GS from new and have covered 39k miles. My annual mileage is decreasing yearly and is around 8k. I am very happy with...