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• 
  Why do the windows on my Land Rover Freelander 2 keep opening when it's locked? 20 Feb 2017 (Ask HJ)
  I have owned my Land Rover Freelander 2 from new for over six years and 65,000 miles. In the last year, I have come out in the morning and found all the...
• vectra 2002 1.8 16v ecotec - car cut out whilst driving, wont start, no crank 6 Feb 2016 (Forum)
  make any noise. Can here a click from the relay in the boot fuse box and clicking from the front end, not sure if it the fuse box or ecu i can hear. Other than that I get absolutely nothing
• Vauxhall Corsa C - 2004 Easytronic 1ltr - Flashing F 1 Oct 2015 (Forum)
  Hi, I wonder if someone could help me, my daughters corsa developed the flashing F a few months ago, we managed to keep it working for a while by disconnecting and reconnecting the 2 plugs to the ecu, then that stopped working and we had to gentley tap the gear actuator to get the car to go
• 
  ABS and traction control fault on Vauxhall Vectra 26 Nov 2014 (Ask HJ)
  I have a 2000 Vauxhall Vectra and the ABS and traction control warning lights have come on. Both these systems do not work and I have been told it may...
• Saab 9-3 1.9 TDI sport 2006 - Help 11 Nov 2014 (Forum)
  I have a saab 9-3 1.9 TDI 2006. Engine management light was on and lots of black smoke was coming out of the exhaust . Egr was replaced it was not better, now had the mass air flow changed. The ecu light stayed off for about 10 miles. It then came back on. I rang the garage back they explained
• Ford Focus (1998 - 2004) - 01 1.6 petrol - starting problem 15 Nov 2013 (Forum)
  Hi, My first post on here......... My 2001 Focus 1.6 petrol has had a starting problem for a while. Engine requires 4 to 5 seconds of cranking to start. Engine cranks over very well but no sign of trying to start. I assume that fuel, spark or both are not being commanded by the ECU. After 4
• 306 hdi - egr solenoid 15 Apr 2013 (Forum)
  hi everyone i have had some problems with my car, first i blew it up and it wouldnt start so i narrowed it down to what i thought was the wiring loom, i changed that to find out it wasnt the problem. i then put an open ecu in to bypass immobiliser and the car fired up but wont rev past
• 
  Why do my father's Audi A4's electric windows open by themselves? 19 Jan 2013 (Ask HJ)
  My father has an Audi A4, which was made in 2001. Recently the electric windows have started opening by themselves. Have you any idea what is the possible...
• pug206gti - fuel fault and antipolution fault theory 7 Apr 2012 (Forum)
  if its a fault or normal?and could a fuel leak be a problem as i say it does reak of fuel on small journeys.~????ALSO THE ANTI POLUTION FAULT has appeared on my newly bought 2002 model and i wouyld love to hear of a remedy for this coz as it sounds to me it sounds like sensor problems followed by ecu
• Peugeot 307 - FAP pressure differential sensor 16 Sep 2010 (Forum)
  one was letting water in eventually. The previous design had 2 tubes, front and rear of the sensor, whereas the new one is left and right. I tried to connect one way (front to left, rear to right) and went for a drive test hoping the ECU would reset the fault, refilled the tank a bit
• Peugeot 307 2.0 Hdi 110 (2003) - FAP pressure differential sensor 13 Sep 2010 (Forum)
  and rear of the sensor, whereas the new one is left and right. I tried to connect one way (front to left, rear to right) and went for a drive test hoping the ECU would reset the fault, refilled the tank a bit...no joy. Tried to swap the tubes, no luck either. I also checked the tubes underneath
• 
  What's causing my Audi A3's electric windows and central locking to malfunction? 5 Jun 2010 (Ask HJ)
  The electric windows on my Audi A3 V-reg are only working on one side. I can't see anything wrong with it but also the central locking only opens the driver's...
• Nissan X-Trail (2001 - 2007) - Advice on buying an X-Trail 28 Oct 2009 (Forum)
  Hi I am considering buying a Nissan X-trail and thanks to this place I think I have asked the right questions. It has revealed that the car I am thinking of buying had the turbo replaced at around 20k but not the ECU, which has been checked regularly since. More recently the intercooler has been
• Peugeot 308 (2007 - ) - 08 1.6 anti pollution and airbag light problem lim 8 Sep 2009 (Forum)
  Hi, my first post and my first problem! I have a peugeot 308 was in a light accident but now repaired, all airbags replaced, airbag ecu crash data taken off. First fault is when trying to reset airbag lights (electrician used a snap on verus) it cant communicate with the ecu so wont knock off
• Citroen Xantia (1993 - 2000) - 2001 2.0 HDI (110) - Battery drain 1 Sep 2009 (Forum)
  but you cannot start the car. The main ECU double relay has been replaced along with the glow plug relay but still the drain occurs. Putting a meter on it its draws 0.6amp constantly when the ignition is off. Does anyone have any ideas what this could be as it has been to a local garage 3 times
• Mercedes Benz C-Class W203 (2000 - 2007) - 20 1.8 misfire when stopping in traffic 12 May 2009 (Forum)
  Can anyone help............... vehicle has 53,000 on the clock and when stopped in traffic or at traffic lights the car misfires and the ECU light comes on. If you turn the car off and back on this stops the misfire until the next red light. Fault code indicates coil pack/injector issues. Always
• Volkswagen Golf III (1992 - 1997) - 1995 1.8 AAM Auto engine hesitation when cold 3 Nov 2008 (Forum)
  otherwise. There are also no faults recorded on the ECU and the ECU temp sensors (coolant and air) read exactly what the current outside temperatures are. regs Joshs
• Ford Focus (1998 - 2004) - 2003 1.8 tdci 115 - lumpy running 26 Aug 2008 (Forum)
  seen various references on the web to injector recalibrating - is this likely to be needed or would it help to put some injector cleaner through the engine - I'm not sure if this is recommended with these engines ?? Secondly, I've been thinking about having the ECU remapped by a reputable firm
• Peugeot 306 (1993 - 2001) - Bits floating in fuel after system re-build ? 25 Aug 2007 (Forum)
  it needed a new ecu, had that sent off and checked at the ecu doctor, very helpful, was running in another car perfectly. They now reckon that there are bits floating round in the fuel system and say its gonna cost another £2500!!!!!!!! Already spent £2000Anyone get any ideas of what to do as i havent
• Ford Mondeo 2.0 TDCi engine failure 21 May 2006 (Forum)
  I've bought a Ford Mondeo 2.0 TDCi Estate in 2002. In the guarantee period several times it stopped suddenly. Computer data lost and computer reset (ECU). After the guarantee period 10 times unexpectedly in garage and towed away 3 times. Replaced clutch (60.000 miles), injectors (3 times, always