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• 
  Which small automatic car? 1 Mar 2013 (Ask HJ)
  My wife had a Vauxhall Corsa energy 2004 Reg semi-automatic car. We had a bad experience with this vehicle as one day it suddenly stopped displaying F...
• 
  Vauxhall Zafira: Starting problems 20 Jan 2013 (Ask HJ)
  My Vauxhall Zafira 1.6 won't run. Starts for two seconds and then cuts out.
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  Starting problems with a Rover 214 30 Dec 2012 (Ask HJ)
  I have a Rover 214 SEI which won't start. It pours petrol into bores on cranking, causing the plugs to foul.
• Volkswagen Golf V - GOLF V 1.9 TDI hot start - how to remap? 12 Nov 2012 (Forum)
  If this is all correct then I would be really grateful for a recommendation for where I can get this done nr South/West London and how much it is likely to cost? Please assume I know nothing about ECU fiddling!!
• vauxhall corsa sri - maf sensor 18 Aug 2012 (Forum)
  now if you unplug the sensor it runs fine, and the only suggestion the garage has is to change the ecu, but i have read that it could be just a simple re earth of the sensor wire, however my garage are reluctant to do this in case they make things worse, but im not happy to pay out for a new ecu if it is just the earth wire, so any suggestions would be greatly appreciated, cheers
• 
  Meriva unlocking itselg 29 Dec 2011 (Ask HJ)
  My daughter's Meriva has been unlocking itself which has led to items being taken from the vehicle just before Christmas. The police said that they she...
• 
  Hesitant Mazda 323F 31 Oct 2011 (Ask HJ)
  I own a 1999 Mazda 323F 1.5 Lxi with 65,000 miles on the clock. It runs well with the exception of an occasional flat spot/hesitation when accelerating...
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  Ford Focus 1.8 TDCi cuts out 7 Jan 2011 (Ask HJ)
  I have a 2002 Ford Focus 1.8 TDCI 115PS. When started especially first start of the day it will start but then cut out immediately unless you rev it and...
• renaut grande espace - renaut espace electrical nightmare 26 Nov 2010 (Forum)
  Once ECU replaced car would start but electric throughout car had gone - automatic handbreak, dashboard, AC etc. car was moved to renaut garage and has been away from us for about 8 weeks in total. We feel that this was probably caused by them although they say these things happen in such cars.
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  Vauxhall Zafira 2 Oct 2010 (Ask HJ)
  my Zafira has been playing up for a while now when its low on fuel in looses power only on a left turn. However it's been in 5 garages now and they haven't...
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  Should I buy an ex-police Renault Megane which is stuck in limp mode? 19 Aug 2010 (Ask HJ)
  Should I buy this 2001/51 Renault Megane? It's an ex-police car with all service history etc, but they say its stuck in limp mode. It's priced at £595....
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  Why is my Vauxhall Vectra's engine management light on? 19 Aug 2010 (Ask HJ)
  My S-reg Vauxhall Vectra 1.8's engine management light has been on for a week. Does anyone know why?
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  Why does my Vauxhall Zafira started losing power? 2 Aug 2010 (Ask HJ)
  My 2002 Zafira 1.8 Elegance automatic has started losing power when being driven at a steady speed. It works well at lower speeds or in narrow country...
• 
  What information is held on a BMW 1 Series keyfob? 18 May 2010 (Ask HJ)
  I was wondering if you knew what info the keyfobs hold, as I have been told they hold info like the mileage, the last time the car was driven, when it...
• Rover 618 (T reg) - Stupidly inserted red key in ignition 24 Apr 2010 (Forum)
    I know now that because i decided to use the red key that i have totally wiped out the memory of the black keys in the ECU.  Is this correct?  I had an autolocksmith come out and look at it yesterday but he said the immobiliser is reading the black key.  I have since been informed that the black keys need to be reprogrammed to the ECU, how do i now get this done?
• Ford Mondeo II (1996 - 2000) - 00 2.5 Alternator problem - need advice ASAP 9 Jul 2009 (Forum)
  My mate is at a bit of a loss as he thinks it unlikely that he'd get two faulty alternators in a row! Any tips on what is the likely problem? The sparky is on holiday but has suggested a possible ECU fault if it is sending the wrong signals for charg e levels but it's flickering several times a second, I'm not sure even a faulty ECU could send such rapid signals? Any help appreciated!
• Vauxhall Astra G Petrol (1998 - 2004) - 02 1.6 Car cutting out (recurrent fault) 10 Jan 2009 (Forum)
  Unfortunately, the same issue has started to happen again, and I am 100% sure it is the EGR vavle again. The mechanic at Vauxhall mentioned that it could be an issue with my ECU that was causing the EGR valve to fail. My question is whether it is feasible for the ECU to cause the EGR valve to fail over time? Any help on getting to the root cause of this issue is much appreciated, as this is becoming a very frustrating problem.
• Citroen Xsara Picasso (2000 - 2010) - 02 2.0 HDi Engine Fault - knocking/jerking 23 Dec 2008 (Forum)
  The ECU light isn't on yet but I don't reckon it'll take more than another 20 miles before it does. Obviously the fuel rail pressure sensor was not at fault, or something is causing the fuel rail pressure sensor to prematurely die.
• Ford Escort (1993 - 2000) - 1995 1.4 PTE SEFI erratic misfire when warm 10 Aug 2008 (Forum)
  Various mechanics have looked at it, changed the plugs and leads etc, checked electrics, all to no avail. It is now suggested that the ECU may be at fault and should be replaced, if this is done will the new unit require reprogramming to the car by a dealer, I am told that the coil unit will have to be replaced as well as part of the ECU system.
• Peugeot 306 (1993 - 2001) - 1998 1.4 Speedometer and rev counter at maximum 19 Jun 2008 (Forum)
  When I turn the key on, the speedometer and rev counter dials rortate clockwise to maximum (with the engine off) I just tried driving the car to see if that would reset things but noticed that the trip meter was advancing at a very high rate and, after about 2 miles noticed that about 25000 miles has been added to my odometer reading. I'm suspected that the ECU has ""glitched", so disconneted the power again for abouit a minute and re-connected. The problem remained Can anyone advise on this fault and also advise if, assuming the ECU is faulty, will the odometer reading as of earlier today on be stored somewhere so it can be reset to the corect value when this problem is cured, or am I now stuck with a very high (false) ododmeter reading) (which will kepp increasing a high rate until the problme is cured.