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• 2002 Laguna faulty ecu connector block 31 Dec 2006 (Forum)
  I have a faulty connection in a block connector that plugs into the ecu, however according to Renault you cant get the block separately so a new wiring loom is needed!! (£400+ just because of a loose connection) I was thinking, could I cut a plug leaving approx 5cm length of wires from a car being
• Corsa 1.4 ecu fault codes 12 Jun 2003 (Forum)
  Hi - Can anyone please help? Have a 98 Corsa 1.4 single point injection 38000 miles- (all short journeys) ECU light has just started illuminating each journey after about a mile. Can I read the fault codes in any way without buying a gismo? I seem to remember being able to do this with a cavalier
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  Porkies 15 Jan 2010 (Ask HJ)
  I purchased a “low mileage” Porsche from a reputed independent specialist 6 months ago, now showing 35,000 miles. While being serviced a problem was detected...
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  Could I have prevented my Octavia's turbo failure? 13 Dec 2016 (Ask HJ)
  I'm a taxi driver and I've got a 2010 Skoda Octavia 1.6 TDI. Whenever the DPF regenerates it blows a lot of smoke from the exhaust pipe. I eventually realised...
• Vauxhall Astra G Petrol 1.4 16V (2001) - Astra G 1.4 16V Petrol (2001) questions. 15 Oct 2014 (Forum)
  ... Is there a way I can find the correct Part Numbers of each part I need to replace on my Vauxhall Astra G Petrol 1.4 16V (2001)? ie a web site or similar. I have an Vauxhall Astra G Petrol 1.4 16V (2001) and it turns out it has the wrong ECU unit fitted after a rebuild because of a bump the previous owner
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  Should Audi cover the cost of my A4's faulty ECU? 30 Nov 2013 (Ask HJ)
  One injector of my Audi A4 2.0TDI failed. Audi replaced all four injectors free of charge. However, after they were replaced, the car would not start and...
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  Did the dealer damage my ECU? 10 Feb 2011 (Ask HJ)
  I had my Audi A6 serviced at a main dealership. At the same time they did a gearbox oil change for me. They returned the car to me and said all the work...
• Peugeot 607 (2000 - ) - 00 2.2hdi Fitting a new ECU - initialization proce 27 Oct 2008 (Forum)
  Hi, does anyone know the procedure for replacing an engine management ECU on a peugeot 607 2.2HDi using Peugeot Planet 2000? I understand a second hand one can not be recoded so I have to buy a new one, does anyone know if this is correct?
• Mitsubishi Carisma (1995 - 2004) - Where do they hide the ECU in a 04 1.9 D-1D 29 Nov 2007 (Forum)
  I have a 2004 Mitsubishi Carisma 1.9 Turbo Diesel Where is the ecu? I've looked in the engine bay,under the dash and removed the centre console. Have i missed the obvious? (probably!) Hope someone has some ideas :)
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  Is it worth getting an ECU remap on my Mazda? 31 Aug 2023 (Ask HJ)
  Is it worth remapping my 2020 Mazda 6 Skyactive 165ps?
• Peugeot 306 meridian (S) misfire 15 Apr 2021 (Forum)
  15 minutes on the motorway. My peugeout dealer informed me that the diagnostic log showed a problem with the injectors on cylinder 2 and 3 and that it was not an ECU problem. However replacing the injectors has not rectified the problem and now they dealer feels it is definitely an ECU problem
• Citroen C3 1.4 Auto 2002. KFV Engine - BSI Dead / ECU Replace 7 Sep 2014 (Forum)
  at replacing the bsi unit along with an ecu and transponder set, but my ECU is sagem. I can't find anywhere another Sagem ECU with the bsi and transponder set. But I can find bosch, Magneti Marelli and Siemens sets. The BSI and fuse board is Siemens. I was just wondering if anyone knows If i can put
• Volkswagen Golf IV PD 130 2003 - swapping the ECU to stop lumpy cold idel 7 May 2010 (Forum)
  or remapping the ECU. Now before I send money to have it remapped (which I intend on doing any way at some point) I still have my Bora with the 130 PD engine that I have not yet sold. Therefore, I was thinking of swapping the ECU’s over to see if the fault swapped. Can I do this with out needing any
• Vauxhall Cavalier 1995 2.0i CDX Ecotec - ECU fault codes 9 May 2015 (Forum)
  How do I check the  ECU Fault Codes ? I am having intermittent starting problem over last 3 days with Engine Control Indicator (lightning symbol) on instrument panel flashing at times. Car starts for while, then won't start for a while, then starts, over
• 2002 Passat TDI 130 - N75 Valve / ECU Problem 14 Sep 2011 (Forum)
  1. Checked for vacuum at the N75 vac side - 25inhg, no vacuum on out side. 2. Replaced N75 with new valve but still not operating. 3. Checked wiring to N75 valve. Measured resistance and voltage drop from N75 valve plug to ECU plug - all fine. 4. Jumped N75 valve plug
• Audi A6 - Gearbox ECU 10 Feb 2011 (Forum)
  that this was what happened when my gearbox had to be replaced 2 years 3 months earlier. I am now told by the dealership that the gearbox ECU is faulty and needs replacing. It seems to me that the dealership damaged the ECU when they did the gearbox oil change. I have no idea how I can prove if this is the case
• ECU repaired and failed 7 days later - any advice 18 Jun 2010 (Forum)
  Hi, I had the ECU on my citroen fail a couple of weeks ago.  The garage I took it to did a repair on it which they told me it was a semi-to-permament repair.  I didn't want to fit a new one (at at cost of £1,000).  A week later my car has broken down again outside
• Peugeot 307 (2001 - 2007) - 02 2.0hdi faulty ecu unit on 02 eng code 30 Jan 2010 (Forum)
  At the moment i'm not having much luck trying to locate a second hand ecu unit no 0281 010 779 bosch plus bsi unit &key chip i sent the ecu away for checking (repair) got reply back can not be repaired. If anyone knows where i can source this unit it would be much appreciated Best Reguards
• Mitsubishi - 1994 1100 Circuit diagram for ECU 24 Sep 2008 (Forum)
  Can anyone out there please offer an alternative source for the circuit diagram of an ECU manufactured by Mitsubishi in the early to mid 90's? The PCB is in an ECU which controls a magnetic clutch ( which is also a Mitsubishi product ) on a Fiat car from 1993. Needless to say, Fiat have been
• Ford Mondeo TDCI - Ford Mondeo IV - 58 plate - Mileage stored in ECU? 24 Jul 2013 (Forum)
  Does anyone know what happens to the Mileage if you change the Speedo in a Mk4 Mondeo? Is the Mileage stored in the ECU? if it is can the display on the speedo be changed so it displays the correct mileage? I've seen a similar thread about MK3 Mondeos but I need to know