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• 1.1 Citroen Saxo 1999 - Cutting out and then not even ticking over to start again! 16 Mar 2010 (Forum)
  This morning as we scrapped the ice off the car, it cut out after starting first time, again as usaul the car started straight up again... once we begain to drive out of the carpark it did it again this time failing to start at all... not even ticking over! We have a feeling this may be down to the ECU but only bought the car as a cheap run around so not spending £500 on a new ECU.. thats almost what we paid for the car! Please can someone give me some good news or other possible problems i could look at before the ECU?
• Peugeot 306 (1993 - 2001) - 1998 1.4S - intermittant ECU light 3 Feb 2008 (Forum)
  Hi Can anyone help with my problem please (Peugeot 306 Meridian 1.4 S reg petrol) The ECU light on my my peugeot 306 intermittantly comes on and the engine jutters, but only after travelling on a motorway for about half an hour. The light goes off again but the engine continues to "jutter".
• rover 420 GSI (high Emissions) 6 Sep 2003 (Forum)
  But the odd I found was the throttle postion sensor, supply voltage 5v, at idle it should be 0.5, but it was 4.5v, and at full throttle was only 4.8v. so I disconnected the sensor wire to the ECU and found I had the same value, checked the device on ohms and the resistance does change. But I remember some years ago having a MG EFI montego and these used to suffer from blowing the earth pin inside the ECU, normally this was easy to repair, (I use to be a TV & Video Technician so I have all the skills with the soldering iron), I wondered if this ECU suffers from the same problems, I know the Montego one could be done buy using a battery charger.
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  Porsche logging 'exceeded revs' from ECU 4 Sep 2012 (Ask HJ)
  I have owned several Porsches for more than 10 years and have always properly maintained them with dedicated Porsche garages and warranties. On renewing...
• opel corsa c 2004 - nct 26 Jan 2015 (Forum)
  Will my car pass its nct with the engine light on and the oil light flashing i think its down to my ecu 
• VAG PD Diesels 9 Dec 2002 (Forum)
  Can anyone explain to me the difference between the 115bhp and 130/150bhp versions? Are they mechanically diferent or is it just a difference in ECUs, ie chipped? Ta David
• What is Krypton Tuning? 5 Oct 2002 (Forum)
  What is Krypton tuning? Does it have any place with modern ECU controlled cars, multi point fuel injection and lambda sensors etc? Thanks Ben
• VW Cruise Control 23 Feb 2006 (Forum)
  Can cruise control be retropectively fitted and adopted by the ECU to a 2002 VW Passat. Who and at what sort of cost. It was about £185 as a factory fit. Regards Peter
• Skoda Tdi 23 Jun 2004 (Forum)
  The problem that i get, is that it suffers from a flat spot betwween 2800 & 3200 r.p.m Is this a characteristic of this engine, or maybe an ecu one ?
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  Volkswagen Golf starting problems 20 Oct 2016 (Ask HJ)
  My daughter's 2009 Volkswagen Golf has broken down four times in recent weeks and on each occasion it refuses to start. Our local garage has replaced the...
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  Garage can't fix my car - what are my rights? 2 May 2016 (Ask HJ)
  My Renault Captur (2014) went in for a service after it failed to start eight weeks ago. The garage stated first of all it was the ECU, then the central...
• Toyota - Estima 1996, 2.2 3CT-E engine. Diesel fault. 29 Nov 2015 (Forum)
  Denso computer 89661-28580 (anyone got the pin-outs?) I seem to have about 11.5 volts going into various pins on the ECU. I have 9 volts to the fuel cut-off solenoid. I have 5.4 volts at both wires on one of the 4 electonic valves on the pump that control fuel to the injectors on the pump. Engine earth seems OK. I did a diagnostic test - (the engine had not run since the ECU had been disconnected for a night).
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  Saab 9-3 turbo problems 11 Nov 2014 (Ask HJ)
  I own a Saab 9-3 1.9 TDI (2006) and recently the engine management light came on, with lots of black smoke coming out of the exhaust. The EGR was replaced,...
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  What do you think caused our Citroen C5 to overheat? 1 Jun 2013 (Ask HJ)
  Our Citroen C5 overheated and as a result our local garage (who had very recently carried out an oil change etc plus MOT at 50,000 miles) found that the...
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  What do you make of diesel ECU tuning? 24 Mar 2013 (Ask HJ)
  More and more people are looking at tuning their diesels for more economy and or power. In this day and age of ridiculous fuel prices isn't it time we...
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  Clicking noise from the immobiliser 3 Aug 2011 (Ask HJ)
  I keep on getting a clicking noise from what I believe is the immobiliser unit box under the glovebox. The faults include intermittent working of the...
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  Why do the windows open automatically, after the car is locked, on Skoda Octavias? 24 Dec 2010 (Ask HJ)
  The letter from KW, Harlow, about all the windows on his Skoda fully opening after he'd locked and left it struck a painful chord with me. I've had two...
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  My Vauxhall Corsa cuts out when hot and then starts when cooled down - why? 19 Aug 2010 (Ask HJ)
  I have a Vauxhall Corsa 1.4 auto Design. It cuts out when hot then, when it cools down, it starts up again. If I hold the revs at 2000rpm it will still...
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  Flashed in the pan 19 Jun 2010 (Ask HJ)
  I own a 2.0 170 TDI PD with DPF and on our web site Seatcupra.net and other VAG web sites we are getting news of the franchised dealers reflashing the...
• Citreon Saxo - Citreon Saxo Fuel Relay Issue 11 Sep 2014 (Forum)
  The wiring in the loom is all good as are the fuses... I'm absolutely stumped. I'm wondering if the relay sends a signal to the ecu and perhaps its an ecu fault? Although when I do get the car to run it runs spot on. I just can't get the origionla relay to power the pump. Any advice is greatly appreciated guys! Thanks in advance.