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• Mazda Mazda 6 (2002 - 2007) - 07 2.0 Loss of power, DPF flashes,TCS on, MAF sens 17 Jan 2012 (Forum)
  these warning lights are on all the time. It's back with the dealership again and they're thinking the ECU is faulty - I'm not so sure but I don't know what else it could be and neither do they! Furthermore, they tell me that they've contacted Mazda and they can't offer any insight into the problem. Does
• Landrover discovery offroader. - Insurance write off category question 8 Jun 2011 (Forum)
  simple vehicle with no Ecu or airbags to worry about and as an offroader has been built to cope with mud and water etc. The settlement offered is in no way sufficient to purchase a replacement vehicle of the same spec so I'm really keen to keep this vehicle on the road. The insurance company have said
• Ford Fiesta (1995 - 1999) - 96 1.3 efi endura e ohv stalling and acceleration 9 Feb 2010 (Forum)
  i know exactly what the problem is, but i think this is going to be very difficult if nothing is showing up on diognostics. one person said it maybe the ecu, someone else said the wiring and the first man at the garage who checked the throttle said the valve has made a pit in the throttle body over
• Vauxhall Astra G Petrol (1998 - 2004) - 1999 1.6 8V Engine idle problems 18 Sep 2008 (Forum)
  92 but it sometimes jumps down to around 85 (without fans coming and me reving the engine slightly). Could the ECU be at fault? I really need to get my car back on the road again, i've been unable to work the last 2 weeks and keep spending more money which i don't have! Any help and suggestions
• Saab 9-5 + Hirsch conversion 20 Apr 2007 (Forum)
  Saab has recently been trumpeting Hirsch performance upgrades (i.e. ECU remaps) for new 9-5s, but it turns out that anything you can do to a new 9-5 can also be done to an old one, with full Saab and dealer support. This has set me thinking; key points go something like this: * I really
• 
  auto gearbox choice 23 Jun 2016 (Ask HJ)
  I briefly owned a 2009 VW Passat Estate – the 2.0L (138 bhp? TDi Highline version), with the DSG gearbox. Pulling out of a side road or entering a traffic...
• 
  You’ve been misinformed 21 Feb 2009 (Ask HJ)
  Motorists shouldn't get too enamoured with the recent government pronouncement of “Intelligent Speed Adaptation” GPS speed control for cars. Sponsored...
• MINI Cooper D - Mini CooperD DPF fault light - needing urgent help 2 Jun 2017 (Forum)
  by my local mechanic that once the DPF fault is up that the ECU will NOT perform a regen until the code is cleared, is this true?  The car seems to perform ok, although av mpg is only 45 for combined usage so a little low. Bought this only 1 week ago from a garage 150miles
• VW Crafter CR35 2.5TDI - DPF!!! As usual. 20 Nov 2016 (Forum)
  .. They are apparantly backing this up with the ECU readings, the computer is telling them that we are failing to comply with the correct regen procedure...if there was no problem then why the hell would VW assistance agree to get the van recovered every time & every time its in VW carry out a free oil and filter
• Vauxhall Corsa C 2001 Comfort 1.0 12v - Corsa C Starting Problem IMMOBILISER? 4 Oct 2015 (Forum)
  ...  My theory is this: The remote is sending dodgy/incomplete signals SOME of the time to the cars ECU. The car starts, but the immobiliser (which can disable one of three
• Ford Focus 2006 1.8 TDCi Ghia - Using Coolant and Engine System Fault Message 31 Mar 2015 (Forum)
  .  The light continued to display, various faults were registering but never consistently.  They evenutually took it to a Ford Main Dealer who also could not diagnose the problem.  They replaced the ECU and said if that did not resolve the problem, a new Instrument Panel would be required
• Renault Scenic - Loss of power 30 Aug 2014 (Forum)
  . Timing belt has again been checked and found to be correct. Finally, a replacement ECU unit has been fitted – but this also has made no difference
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  Is it legal to have the DPF removed from your car? 25 May 2013 (Ask HJ)
  A quick Google search shows lot of companies are offering DPF removal. I can see this as an option that would be considered by many with DPF issues. As...
• E30 318i / 1994 / Tourer. - Fluctuating engine,lights & fan after new HT Leads 19 Feb 2013 (Forum)
  was to indicate that my car had not been in for a service, lol, which is true, as I have done the things myself, that a service would do, and all just for a bit of paper. Anyway, the ECU, I'm told would not know this, and its' to indicate that something is wrong somewhere. Pointing to the O2 Sensor probably
• 
  Which car i will keep, Nissian Almera 2.2 or Vauxhall astra 1.6 17 May 2011 (Ask HJ)
  I have Nissan Almera 2.2D sport (52 reg 84,000 miles). But it failed its MOT and I had to spend £900 to fix it. It took 3 months to fix. I bought it...
• Skoda Octavia TDi 110 - Water Pump. Intended to help others...... 1 Jan 2011 (Forum)
  goes to show what a difference changing the cambelt can make to the base pump timing, and that's why the fault codes were generated. The traction control cannot work properly if the fuel injection pump is mistimed, and the ECU cannot accurately control the timing if the base setting is outside
• Peugeot 307 (2001 - 2007) - 02 1.6 Cutting Out at Speed 7 Dec 2010 (Forum)
  -programmed on the car yesterday and the very helpful man did another diagnostic check and said that nothing at all came up - it hasn't happened for about 3 weeks (as I haven't been over 80mph) so I'm not sure how long the ECU remembers things for?! This guy reckons I should get the ignition coil and spark
• 00 1.1 - Citroen Saxo battery draining 23 Nov 2010 (Forum)
  the plug was back in but then the drain continued. I unpugged each engine connector in turn to try and locate the other end of the wires on this connector but no difference. I was just about to go for the dreaded ignition switch when I noticed a relay under the ECU. I struggled but eventually managed
• Ford Mondeo III (2000 - 2007) - 04 2.0 TDCi turbo vane actuator problem (P132A) 28 Apr 2009 (Forum)
  ://www.fordmondeo.org/forum/showtopic.php?tid/787922/tp/1/ and http://www.fordmondeo.org/forum/showtopic.php?tid/788353/ If the actuator arm is disrupted by the sticking vanes, the ECU may flag up a fault in the actuator as a consequence. Any thoughts would be welcome? There are a few other forum threads
• Skoda Octavia II (2004 - ) - Both cars - first service. 14 Jan 2009 (Forum)
  at Cost-co last year). They also greased all the hinges/locks, checked tyre pressures, inspected the car underneath and also checked for stored error codes in the ECU (none found), so not bad for the price paid. The Qashqai however is another matter. My local Nissan main dealer, who is situated less than