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• Mercedes Benz C-Class W203 (2000 - 2007) - 03 18k ECU Engine Management Light 25 Jun 2008 (Forum)
  Hello, My MB, c180k, auto 2003, the light came on after a few days of low radlevel warning coming on & off & high temps. The lightr went out after 2 weeks....
• Volkswagen Golf III (1992 - 1997) - 1997 2.0 8 valve GTi - not revving over 5000 rpm 1 Jun 2008 (Forum)
  I have a 97 2.0 8v GTi. I scanned the ECU which showed the Hall sensor out of tolerance, replaced the distributor(the whole thing) and it cleared the fault, checked and traced all wires back to the ECU all fine, car runs like it should when fault code cleared when running but as soon a switched off fault comes back. any help would be greatfull doing my head in only reving to 5000 now and car is not as responsive as it can be. thanks mike corrected the 50000 rev thing.
• FIAT Punto (1994 - 1999) - Injector warning lamp ON (1998 75SX) 20 Sep 2007 (Forum)
  I've checked out the ignition coils, leads and connectors and the spark plugs seem to be sparking OK. Unplugging the connectors from the ECU and spraying them with contact cleaner sometimes makes the fault go away for a few days and then it comes back again. The Haynes manual doesn't show the injector wiring for the multipoint system so I don't know where they are connected to on the ECU to check out the individual connectors.
• Pug206HDi. Ran out of fuel, ECU light on 12 Jul 2007 (Forum)
  Hi all, I have a pug 206, 1.4 hdi and recently i ran out of fuel; yep was being lazy and tried to squeeze too much out of her. Since then however, my...
• renault laguna problem 29 Sep 2006 (Forum)
  to enable him to tow it away , now the dealer is saying their is an electrical fault on the steering column and my ecu is faulty ( the car was running fine untill it was removed ) now the insurance co are saying they will not pay for the repairs , my question is could the damge to the steering /ecu have been caused by it being dragged ,the main dealer doing the work and the towing firm are saying not but obviously someting has caused the problem ANY IDEAS ( my insurance is fully comp )
• Omega : ECU fault diagnosis 10 Feb 2003 (Forum)
  I have a 1994 2.5 CDX still going strong at 162k but there is an occaisional appearance of the "engine electronics" warning light (orange engine symbol). According...
• spot welding 30 Mar 2006 (Forum)
  Prior to spot welding on a car, is it sufficient to remove the battery in order to protect the ECU? and are there any other devices that should be isolated electrically? Thanks in advance.
• Non Starting Pug 406 27 Aug 2003 (Forum)
  Can anyone help? Pug 406 1.8 16v. No spark to injector, tested with pulse light. Could it be the ecu?
• citroen c5 51 plate - scanner 19 Oct 2012 (Forum)
  Hi, i need to delete the particle filter from the ecu, what scanner can i use?
• Ford Fiesta - eac fail 7 Feb 2018 (Forum)
  has anyone had this eac fail prob with fiestas solved yet..........does having the ecu guarantee this fault with not occur again.thanks
• vw toureg - dpf removal 2 Feb 2012 (Forum)
  if i have the dpf  egr and vsl removed and the ecu remapped by an expert  will this solve the problem of the dpf getting clogged  on short journeys?
• Vauxhall Meriva - 2011 Vauxhall Meriva ABS/TC issue 30 Oct 2022 (Forum)
  They then tested the wires and said there wasn't an issue with the wires, and so now they now have concluded it must be the ECU that's fine funny. They said they don't do ECU's and would send it off to get tested and fixed or replaced. I asked for estimates on best case and worse case which they are writing up for me so I can decide on what to do.
• vauxhall zafira b - MAF sensor replacement. 5 May 2025 (Forum)
  Hi I have a number of ECU errors which are most like related to the MAF sensor. I have replace the air filter and cleaned the MAF sensor with Liquid Moly cleaner. It has not helped though. Looking at live data from the ECU just gives 0's for the live MAF  looking at car parts sites using my reg gives MAF sensors in housings which can't be right as the housing does not come off on my car.
• Audi RS5 - Where do I stand 21 Jun 2024 (Forum)
  “During post sale checks The Company received data suggesting your vehicle has travelled more miles than the current odometer reading. To validate this data we arranged for your vehicle’s Engine Control Unit (ECU) to be read. The results of the ECU reading identified that your vehicle’s mileage has been tampered with” Am I within my right to go back to Audi with this imformation?
• Leon idle problem - constant hunting when cold 26 Oct 2018 (Forum)
  This goes on for about 15 minutes until the engine has warmed up, at which time the idling is fine around 900 rpm. Know someone with a diagnostic tool, and the ECU reports no problems. From looking around the forum I can see injectors or glow plugs may be the culprit (would have thought they would be reported in the ECU though). Any suggestions? cheers  
• 2004 Zafira 1.8 Sri - Water in the loom main plug 19 Feb 2014 (Forum)
  Spent over 500 on this car in the last 3 weeks roughly 1st problem was crankshaft sensor so got new one sorted, then then light was still comin on so then was told need new ecu, had that done and then the light still came on then told it was maf sensor and so changed that, thing is now I'm being told that there is water getting into the ecu and the only thing the garage can think of is is running down the loom wires and through the plug??
• Peugeot 307 SW (2002 - 2008) - 03 2.0 HDi Refilling diesel additive tank 22 Feb 2011 (Forum)
  Having read this and other forums I realise that after filling the tank I'll need to get the additive dosing ECU and the main ECU reset. The problem is that the kit comes with no instructions and it's not obvious how to fill it. If anyone has managed to do this job I'd be grateful for any tips. Many thanks, Richard
• Corsa Jan 2007 - Vauxhall Corsa control unit problem 30 Jul 2010 (Forum)
  Phonecall from vauxhall: Investigated " F " display, carried out various tech test, various non present trouble codes stored but no communication with ecu. Informed that I would need a new ecu. Is this an isolated fault?? and why the warning code " F " ??? any advice welcome. Dusty1
• vauxhall astra 1.6 16v 2001 - Astra misfire 25 Jul 2010 (Forum)
  Hi There This is my first post so i hope someone has come across this problem before and can help me out,this is a factory fitted lpg astra that has a misfire after checking everything i have now found no 1 injector is not working and have changed it with another that i knew worked and still no joy i did do a wire test and there is no breaks that i can see so is it the fuel ecu playing up? the injector wire runs into a black box next to the fuel ecu i have no idea what this does so also can someone throw some light on this too i,ll await any answers. Thanks   
• Rover 200 (1995 - 1999) - 97 1.4 unable to start the engine 18 Nov 2009 (Forum)
  I've changed the fuel filter, spark plugs, ht leads, crank sensor and nothing makes any difference. it varies from not starting at all to starting then cutting out after a few seconds. I've had 3 different people look at it. one suggested the ecu, we got a second hand one but made no difference. someone from the garage said a new ecu is no good unless you have immobiliser box and key fob to match. They have suggested getting an auto elecy to try and bypass the immoboliser. any suggestions?