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• Daewoo Matiz - Lost ignition key 7 Aug 2014 (Forum)
  , it was made as an emergency key to open the door if she was locked out. We have called a few mobile companies, but they suggest with this particular car that they have had problems with the ECU after programming the key, and that it might be better to go to the dealer. There are no Matiz dealers
• Vauxhall Astra 1.7 diesel 1999 - Astra diesel wont run.......... 16 Nov 2013 (Forum)
  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)
  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
• Vauxhall Vectra B 1.9cdti 2007 - Intermittent starting - alternator? 11 Nov 2010 (Forum)
  a quick test : 12.5V engine off, 13.6V engine running and no electrical load, 13.4V engine running with lights and heaters on. I understand that these alternators are ECU controlled, similar to Ford Focus and Mondeo
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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)
  journey of 1 hour or more, stop the car and leave it for an hour or so then start and drive after a while it will clear and run as normal. 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
• Skoda Octavia I (1998 - 2004) - 05 1.9 TDi Engine Management Light problem. 24 Jul 2009 (Forum)
  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
• Vauxhall Zafira A (1999 - 2005) - 04 1.6 Loss of power when travelling at ~70mph 9 Jun 2009 (Forum)
  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
• 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
• Vauxhall Astra G Diesel (1998 - 2004) - 1998 2.0 LS starting problems 23 Sep 2008 (Forum)
  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)
  and the multiple injections of fuel into each cylinder per cycle, that the ecu can fiddle with the durations of injection and the intervals between them. I can see that these parameters might be tweaked as injectors wear, or indeed to allow for variation in injector performance when new. So, am I correct
• 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)
  Can anyone please give me some guidance as to the values of resistance for the GREEN (ECU) and BROWN (FAN CONTROL) temperature sensors on a 1999 1.6i petrol 306? At the moment they are as folllows: Hot (engine at normal working temp) green=250 ohms, brown=2800 ohms 20 C (approx), green=2500 ohms
• £700 to find a fault 21 Jul 2006 (Forum)
  " 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
• Ford focus engine warning light 5 Mar 2006 (Forum)
  " . The car ran fine for a while but now the engine warning light is coming on again. He has taken it to the ford dealership who hooked it up to the ECU analyzer and told him the catalytic converter needed replacing, however, it passed its MOT with flying colours on the emissions test 2 weeks ago