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• 
  Diesel Particulate Faulter 5 Sep 2009 (Ask HJ)
  While driving in town quite normally, my 2005 Citroen C4 2L HDI 40k miles, suddenly over-revved, revved up and down a few times, revved incredibly highly...
• 
  Passat imperfect 14 Mar 2009 (Ask HJ)
  I emailed a few weeks ago about an unreliable 2006 VW Passat estate I bought. I have managed to sell it privately. I am looking at replacing with a SAAB...
• Any - How clean is your exhaust tailpipe?! 25 Oct 2023 (Forum)
  of ULEZ charge. It has a DPF which appears to be serving its intended function, as wiping a finger inside the end of the exhaust doesn’t result in a mucky/sooty finger. My 2020 ‘clean’ Kuga 2.5 PHEV with a petrol engine and plug in hybrid capability is Euro 6 and deemed sufficiently clean to dodge any
• Citroen C5 - Citroen C5 2.0 HDI 114k miles a good choice or not 17 Mar 2023 (Forum)
  for a second feel. Anyone know what these cars are like and if they are generally sturdy and dependable enough to last the next few yrs? I have heard the shocks can be an expensive job, wiper motors go and the DPF could need a look at soon, but anything he should be aware of before committing?
• Dacia Duster 2019 - New 2019 Dacia Duster 1.3 Petrol versus 1.5 Diesel 17 Feb 2020 (Forum)
  round trips at weekend. Always had diesels with no issues but aware of many nightmare story's on this formula with dpf etc. Current car Dacia Duster 2016 Diesel 51.000 miles so aware of what im buying and happy with choice its just the above to consider please. Thank you
• Can anyone Help? - A very cheap car to give/or free. 19 Oct 2018 (Forum)
  I have some neighbours who are struggling financially.. They were given (it turns out) loaned an Audi a4 estate about 15 months ago after their previous car had dpf/oil pump/clutch probems and they live on a very very tight budget.  One neighbour let them use his car for a while
• Help pick an SUV, auto, petrol Max £16K 5 Jun 2018 (Forum)
  Any suggestions on an SUV to buy please? Must be high seating (so SUV think), petrol only (conditions are always town driving so don't want diesel, DPF issue etc), automatic. Under 16K and ideally year 17 on so have some manufacturers warranty. Also like the look of Android Auto/Apple CarPlay
• Honest John’s Motoring Agony Column 21-01-2018 Part 2 23 Jan 2018 (Forum)
  Again, with diesels - a manufacturer is recommending an owner doing 25 miles a WEEK or 100+ a month just to guarantee it passively regenerates the DPF. So all that extra mpg they're getting over petrol engined cars is essentially wasted just to burn off some soot. Just shows how ridiculous
• VW - VW Diesels - which one? 19 Oct 2017 (Forum)
  rate of injector faliures, cracked injectors looms, and DPF issues. 2.0TDI CR 140 + 170bhp - Siemens injectors - generally better due to redesigned injectors, but still suffers from injector faliures  
• Audi A6 / A3 - Nearly new cars 16 Aug 2017 (Forum)
  per year so not quite enough to justify diesel, however most of my trips are a minimum of 50 miles so diesel wouldn't be a problem from a DPF clogging perspective. My budget is around £25k (will take out a loan @ 2.8% but have the means to settle it if things take a turn for the worse
• VW Sharan TDi - Extended warranty recommendations 4 Aug 2017 (Forum)
  see as the high risk items DSG, turbo, injectors, fuel pump, EGR, SRC / AdBlue system, catalyst but only covers the DPF for internal failure but not from getting blocked, all the sensors are covered. £277 for a years cover with £100 excess and 10K miles limit.   I hate
• 25 Jun 2017 (Forum)
  Don't forget that a recent study has found that some new Direct Injection Petrol Cars, actually put out more damaging particulates than pre-DPF diesels!. One fact found from these tests was that an EU6 petrol was actually found to be far more damaging to health than an EU5 Diesel. But I suspect
• Jaguar X-Type 2.0d - Positive Story 22 Feb 2016 (Forum)
  We're all used to horror stories and reading HJ too much with accounts of failed DPFs, ECUs, etc. and huge repair bills is enough to give you nightmares and visions of imminent bankruptcy.  So here's a positive story - I think so, anyway. Took the car (2004, 157k) in for service
• Volvo V50 (2004 - ) - 2.0d - any good, and a few questions? 11 Oct 2015 (Forum)
  mileage examples of these engines (in different cars) that have had no issues at all, so if it is the same engine, I'm happy. I am very concerned about the DPF on the Euro IV models - they do a lot of short journeys. Is this the type that needs a regular blast to clear it out, or is it the fluid based
• Peugeot 307 SW - No/Low Turbo Power 8 Feb 2015 (Forum)
  Hi All I have a 307 2.0Hdi 53 Plate and its causing a few headaches at the moment. The problem I have now is that there is next to no power from the engine. This car has cost me a small fortune in the last 6 months. The dual mass clutch let go, then the DPF went faulty and since
• Toyota Verso 1.8 petrol 2009 ,very low mpg 2 Feb 2015 (Forum)
  : is it possible the tyre condition or diffrent engine oil can have so sever impact on mpg? Is it worthy to invest in better tyres like mich.saver + or look around for other vehicle, even diesel version ( 2.0 d4d) although I do only 8-9k/per year , read about some problems with dfw and dpf from lates 2010
• VW - Need some advice on buying a family car for £2-4k 6 Jan 2015 (Forum)
  most conventional cars in this configuration. We need boot space for a buggy and the weekly shop. So far I have been thinking of a TDI Touran or Passat estate, however concerned with the dreaded DPF's. We have had 1.9TDI's in the past (in Bora body) and was very happy with it however now that size car
• Mondeoondeo - best family auto estate 18 Aug 2014 (Forum)
  …)   Most of these are diesel, and whilst petrol is an option new, it seems most fleet cars that appear on the second hand market are diesel. In view of the bad press on diesels and DPFs I would rather have petrol.   Which
• .....what small car for £5K'ish 27 Jan 2014 (Forum)
  for around £5k'ish. Have been looking (on net) at: Suzhuki Swift Sport (newer and low miles for years) Skoda Fabi VRS (no DPF) 2009 on Ford Fiesta Zetec S (would struggle to get a decent one for cash) Want somthing that is bit of fun to drive at weekends
• Vauxhall Zafira DTI - Simple replacement for my trusty Zafira 31 Oct 2012 (Forum)
  considered trying to buy a dead simple diesel, chain cam, no common rail and no DPF.  Does such a car exist?................ or do I have to buy a Prius?