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• Ford Focus 1.6TDI Zetec - 2005 - Discovered DPF Has Been Removed! 28 Nov 2013 (Forum)
    Upon learning that the DPF has been cut out, and the fact it can ping on only at 70mph (when the DPF would usually regen?), would you guys think that the ECU hasn't been remapped properly when the work was done?   Seems to me that the EML is being pinged because it's forcing the DPF regen, when there isn''t a DPF there?   I'm not overly technically minded, so please forgive any ignorance with the above - any help would be massively, massively appreciated as the car goes in tomorrow for a new clutch (ouch!)
• Vauxhall Vectra B facelift (1999 - 2002) - 00 2.0 16v Stalling - cutting out 23 Nov 2013 (Forum)
  . - When this problem first appeared I took the car to a garage who ran diagnostic test by plugging into the ECU, and they found no fault. - I've checked hoses and breather tubes - no leaks observed currently. Could this be anything to do with a Mass Airflow Sensor ? I welcome any suggestions to get to the bottom of this problem.
• Volkswagen Caddy Maxi 2.0 tdi bmm engine code. - 2.0 tdi bmm engine broken crankshaft. 21 Aug 2013 (Forum)
  Would it work if we tried to pipe these to make fit are or we just going to hit block Wall regards to ecu etc etc. I am told that the bottom half is the Same on both but this is also not 100 And if I take apart a good engine and does not Match can't send back. What should I do any advise would be great.
• VW - Intermittent Throttle problem - Main Dealer Servic 12 Jun 2013 (Forum)
  Some days it didn't happen and others it happened lots. It would clear if you let the pedal off and pushed it down again as you were driving along. No ECU lights came on when it happened. No other problems with tick-over, etc. Anyway after trawling the internet and changing pedal and coils, I saw one obscure post about a similar problem on another make suggesting that a brake pedal switch could cause a problem.
• Ford C-MAX 1600 TDCi - Ford 1600 TDCi diesel performance issue 6 Apr 2013 (Forum)
      The 2 main dealer finds no fault code & have updated the ECU software coding to the latest version but this has not resolved the above. (it did resolve another issue)     I note the following engine characteristic - might this boost be malfunctioning?
• VAUXHALL SIGNUM 2.0 DIESEL 2004 - SIGNUM ELITE POWER LOSS 4 Feb 2013 (Forum)
  I have done lots of research ever since and there are stories of WELL known faults in the VAUXALL and SIGNUM because the ECU, EGR misconfiguration, as well as hose leaks and oil gung. Finally i went to a dealer garage and they quoted me an $$$ and a £££eg for a new diesel pump, which also differs with the other five garage's stories.
• Zafira 1.8 petrol auto 2003 - Cold start problem - please help !! 1 Feb 2013 (Forum)
  Had a new radiator fitted first to cure the leak although I know this is nothing to do with this issue, just trying to give all the history I know Thought maybe it was it not getting enough air, so the air intakee valve was stripped and cleaned and replaced with a new air filter at that point Still didn't seem to want to fire, so full set of new plugs were put in, coil pack has been replaced also Oil filter and oil changed Checked fuel pressure, the rail is primed and there is loads of fuel pressure so didn't appear to be a fuel supply issue Took it to a garage, had diagnostics done, ecu reported a faulty crank shaft sensor, replaced this, made no difference (although it has cured the rough idle when it is running) Battery is good, in fact cranked it over with battery attached to a second huge battery at same time and still same issue, so don't think it can be any issue there!
• 2005 Volkswagen Polo 1.2 E (55PS) - Help with Error Codes 2 Jun 2012 (Forum)
  Since doing this, I am getting these error codes though (even after clearing the codes, road testing, then reading them again); P0342, P0322, P1680, P1603, P1558, P0303 The mechanic thinks it could possibly a burned valve, as the ECU is known to throw all sorts of codes up when this happens. Is this a possibility? The engine does sound lumpy (and you can feel the car shaking too) and a bit "put put put" on tickover. Any ideas?
• All - DPF regen and low EGTs 2 Jan 2012 (Forum)
  The fundamental problem is low Exhaust Gas Temperatures (EGTs) inherent with the low engine load. With low EGTs, the ECU has to spray disel into the exhaust gas stream to raise the EGTs to a sufficiently hightemperature to burn off the soot. Clearly this is waste of fuel since diesel burned in the exhaust does not contribute to useful work.
• 51-plate Astra G 1.8 16v SRI - Running Problems, Astra G 1.8 16v SRI 29 Oct 2011 (Forum)
  as i dont have that much money left to fix it. Im really worried that it could be the ECU i just couldnt afford to get a new one done, and cant afford to buy another car.   Many thanks for any good help.  
• Ford Mondeo 2003 130 TDCi - Charging light on - Engine Management Unit? 21 May 2011 (Forum)
   Then latest charging problems cost me over £500, and they are now talking about the ECU possibly being at fault, which I'm guessing won't be cheap!  Is this likely to be the fault; we're going on holiday soon and I really want the thing fixed, if I don't trust it then I'll have to hire a car which I don't really want to do.
• c15/ 1.9d Berlingo mpv - XUD engine 24 Apr 2011 (Forum)
  I thought at one point that it was true that I could look up until the year 2005. But then I was thrown by seeing a 1.9d berlingo 2004 with a ECU engine management system. None of the sites such as wikipedia go into enough detail. So please can you help me find out what berlingo I should look for. PS.
• VW passat 1.9 TDi PD 115 AJM - hesitation under load & lack of boost at 3000 rpm? 19 Apr 2011 (Forum)
  Now really stuck as to what to do next, people have suggested changing fuel filter, replacing the housing to the fuel temp sensor, cleaning the MAF connector, replacing the thin hose that runs from the exhaust near the turbo to the ECU? ? dont know whether any of these things will help or if there is any new ideas people might have? Thanks in advance Natalie
• ford mondeo mk2 1800 - mondeo idle/emissions & brake pedal travel problem 22 Mar 2011 (Forum)
  but after driving for about 5 mins, the idle speed goes back up to 1200-1500. i've rea that this could be the cat or lambda sensor, or maf, or ecu temp sender or anything really, but don't want to be changing everything just to see - what could be the most likely? any suggestions are most welcome, as i'm out of ideas!! many thanks dan
• Peugeot 406 HDI (year 2000) - EGR Code P0401 - MAF Sensor problem 22 Feb 2011 (Forum)
  LAST NOTE:- just prior to all this, battery totally died, so replaced it - P0401 came on very shortly after this - although I can't see a connection unless when new battery was connected it put a spike through the ECU causing reoccuring spurious code - again any ideas welcome....? many thanks ---> SU37   
• 05 Ford Mondeo 2.0 TDCI (115) - Rough Idle 22 Jan 2011 (Forum)
  Are there any sensors around that area that could be causing the problem and are perhaps overheating? The only other thing worth mentioning is that the ECU had a software update late 2009. Any ideas or help would be much appreciated :-) Cheers Chris
• Ford Focus 1.4 '04 - Ford Focus 04 Dashboard Problems 12 Dec 2010 (Forum)
  - Indicators work but are sometimes sporadic in their flashing - There is a horn/beep sound that is a single note every ten seconds coming from the right side of the driver footwell, not sure if this is where the ecu is located. **The main lights work fine and so does the stereo   I'm planning on getting some electrical contact spray and removing/cleaning the earth straps on the body around the engine before I consider taking it to a garage.
• Seat Alhambra 1.9Tdi 115bhp-Limp Mode 26 Sep 2010 (Forum)
  Reading the threads, other people with the same problem have questioned the turbo itself, the Mass air meter (which has recently been changed) the coolant temperature sensor & the ECU. However, a common trait with this seems to be a split, loose or collapsed rubber pipe related to the turbo/valve. l would be gratfull for any info' on exactly which pipe may be at fault, or any other suggestions.
• KIA Rio (2005 - ) - 1.5 CRDi Fuel consumption 18 Mar 2010 (Forum)
  How long has your Kia taken to "bed in". Anyone actually gone back to a Kia dealer and they found a problem with the fuel system or ECU or sensors etc. Cheers Stevie G
• Vauxhall Astra F (1991 - 1998) - 96 1.4 Loss of power difficult to start X14NZ engi 5 Dec 2009 (Forum)
  Feels as though its lost cylinders (but it hasn't) or timing is really badly off. No codes are shown by the ecu. Vauxhall diagnosed head gasket, so replaced head gasket (no evidence of failure), water pump, belts etc. to no avail. Local engineer had a go and replaced Lombard? sensor to no avail. He managed to significantly improve running by advancing the distributor (timing), but still not right and obviously a bit of a botch.