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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)
  this with either 1) new battery 2) new starter motor 3) new both of these BUT... I also gather that it can be solved by changing the engine management software to inject fuel sooner during a hot start. Please could somebody explain the following: Does the ECU chip have to be replaced (like a re-map
• vauxhall corsa sri - maf sensor 18 Aug 2012 (Forum)
  wiped etc but no change, sent to electrical engineers they ran through all they could think of, kept wiping the code and re running it, but it left them stumped !! 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
• 
  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)
  it was ECU(?) and this was replaced (well over £1000). IN the middle of all this when we were getting upset they admitted that they drained the battery when trying to bring the car into the garage as I left it parked outside when I dropped it. they couldn't get it to move and ended up draining battery
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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)
  Hi, I bought this car three days ago and since i moved it to clean it at the end of my road i have been unable to drive it anywhere.  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
• Ford Mondeo II (1996 - 2000) - 00 2.5 Alternator problem - need advice ASAP 9 Jul 2009 (Forum)
  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)
  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)
  or perhaps some backlash in the gearbox. This happened intermittently for a while but quickly became worse to the point that the ECU dash light came on. I took the car to my local garage who diagnosed a faulty fuel rail pressure sensor which I had replaced under warranty. However, as always happens
• 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
• Peugeot 306 (1993 - 2001) - 1998 1.4 Speedometer and rev counter at maximum 19 Jun 2008 (Forum)
  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