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• 
  I have a 1998 Fiat Barchetta so do I need a red key? 22 Jul 2019 (Ask HJ)
  I have a 1998 Fiat Barchetta so do I need a red key?
• Daewoo Matiz - Lost ignition key 7 Aug 2014 (Forum)
  Price quoted (fromt the guy worried about the ECU damage from past experience) is around £100 at the moment. Thanks, Stu
• Vauxhall Astra 1.7 diesel 1999 - Astra diesel wont run.......... 16 Nov 2013 (Forum)
  There appears to be no fuel reaching the pump, but it seems unlikely to be a pump issue in light of the money recently spent.  I read on-line of a bod with similar symptoms, who said it was a dry joint in the ecu, and advised me to pop it open and check for some burning inside. At a glance, I can't see an ecu......any thoughts guys? All help much appreciated.
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  Replacing the ECU to increase power on a 105PS Leon? 14 May 2013 (Ask HJ)
  I am interested in buying a Seat Leon Petrol Automatic - but I am not sure whether the available engine, which only has 105hp, would be powerful enough...
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  Fault P1198 on a 307 12 Sep 2012 (Ask HJ)
  I have had my 307 HDI put on a computer in a garage and it is reading a P1198 - injector control - ecu internal fault. Do you know how I fix this problem?
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  Alternator light stays on in my Focus 5 Sep 2012 (Ask HJ)
  Even though alternator and battery have been changed and replaced the alternator light is showing intermittently and don't know what else this could be...
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  Goodwill on a car not serviced with Nissan? 23 May 2012 (Ask HJ)
  How extensive is Nissan's goodwill on X-trail design faults (e.g. Turbo fails DPS etc.) for Cared4 Dealer stock who's service history can't be proved to...
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  Peugeot 307 central locking failure 31 Oct 2011 (Ask HJ)
  Can anyone help. My Peugeot 307 appears to be unlocking itself over night. I always press the lock button on my key twice so that it dead locks, and sometimes...
• Ford Focus - Body controller ? 21 Dec 2010 (Forum)
  The main problems is that her rear heater and other electrical switchs dont always work and he said this was down to the body controller. Does he mean the ECU ? If so I understand the ECU is located or near the glove compartment when removed. So QUESTION.  If I get a replacement, as I've seen on ebay from a breakers yard, as long as I match the year built and the model engine size it should be okay to swap out, Yes ?
• Vauxhall Vectra B 1.9cdti 2007 - Intermittent starting - alternator? 11 Nov 2010 (Forum)
  I understand that these alternators are ECU controlled, similar to Ford Focus and Mondeo. There seems to be information around for the Fords but not much for Vauxhalls. Can anyone point me in the right direction for more information? Finally is there any evidence of common failures on these cards i.e. alternator / wiring / ecu?
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  Runaways in the family 5 Jun 2010 (Ask HJ)
  When my throttle jams open (it's happened twice in 40 years) I simply switch off the ignition and slip into neutral. With a modern car you don't even have...
• Chrysler Voyager V6 1998 - Misfire 10 Apr 2010 (Forum)
  The fuel consumption with the misfire is half of when running normally. The garage have no idea, but one theory that I have is that the ecu (powertrain) and the ecu for the transmission, both sets of wires areopen to water/moisture. Just for info, the pther day in the warm sunshine the car started with the misfire from cold but very quickly cleared.
• Skoda Octavia I (1998 - 2004) - 05 1.9 TDi Engine Management Light problem. 24 Jul 2009 (Forum)
  The effect seems to be that it shuts off the turbo,reducing power and acceleration.a friend has read the cars ecu when the light is on,he used a bosch ecu reader. two faults are shown.4C69,a solenoid valve and 462D a booster valve.Unfortunately his system does not have information on how to correct the faults.However he can clear the faults which stay off for a short while.Has anyone any idea how to permanently sort these faults.any help would be appreciated. tony
• Vauxhall Zafira A (1999 - 2005) - 04 1.6 Loss of power when travelling at ~70mph 9 Jun 2009 (Forum)
  I'm assuming the car is going into some type of 'limp home mode' because if I then keep the revs below 3000 rpm you can't tell there is a problem (although the dashboard icon stays lit up) When I then stop and then restart the engine, the fault icon has reset itself. Any ideas as to what is causing the fault and also will the fault be recorded in the ECU if the dashboard icon is no longer lit. i don't really want to take it to a garage and be charged for them to interrogate the ECU if nothing is going to show up as a fault Thanks
• Peugeot 307 (2001 - 2007) - 2003 2.0ltr DPF pressure sensor fault? 26 Sep 2008 (Forum)
  Hi, Have a 307 estate 110 hdi with fault codes 1447, 1448 +1537 stored in engine ECU together with all usuall DPF blocked symptems. Also have fault code 8332 stored in additive ECU. The additive level in the tank is about 2 3rds full and both magnets are present on the filler cap. Using a friends scanner the DPF shows a soot loading of 24?
• Vauxhall Astra G Diesel (1998 - 2004) - 1998 2.0 LS starting problems 23 Sep 2008 (Forum)
  i have astra 2.0 desiel LS had it for about 4 months in that time i have had maybe 15 times a starting problem i have changed glow plugs so i know its not them.well the problem is intermitant on these 15 ocations the car will just turn over and not start well it will but takes a lot of turning over it will do it whether its hot or cold what i normaly do is let the glow plugs heat up twice but even that sometimes dosent work.ive had a look at a few forums and i hit the same thing glow plug ecu unit can someone advice me before i think about getting a new ecu {moves across to Tech Matters}
• Ford Mondeo III (2000 - 2007) - General question re: Injector Coding? 2 Mar 2008 (Forum)
  Do they remove the injectors and test them to assess the flow rate accurately? Using the info gained to recalibrate the ecu? Or am I totally mis-understanding?
• Renault Megane II (2002 - 2008) - Water damaged ECU - Is there a reasonable fix ? 27 Nov 2007 (Forum)
  Our 53 Megane decided to die on us the other night. The dashboard told us it was an electrical fault and we noticed that the immobiliser wasn't going off...
• Peugeot 306 1.6 temperature sensors 18 Dec 2006 (Forum)
  I ask because the petrol consumption seems to have increased noticably over the last couple of weeks and I know these can be the cause (because the ECU thinks the enginge is cold and overfuels it all the time). There is also a THIRD sensor (behind the water pump) but it remember it is a French car! Any links to a good Peugeot technical website will be welcomed also.
• £700 to find a fault 21 Jul 2006 (Forum)
  "Leave it with us" was the reply. They subsequently and supposedly took 15 hours to find the fault as a defective ECU. In jump starting the auto box Mazda it damaged said ECU. The dealer 'genorously' reduced the cost of FINDING the fault to £700. They then quoted a further £2000 to fix it. Horrified, he did a bit of digging and has found this to be a common problem when trying to jump start an auto box Mazda.