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• Vauxhall Vectra B facelift (1999 - 2002) - 01 1.8 intermittent starting fault 24 Feb 2009 (Forum)
  I'm having a nightmare with my vectra it has an intermittent fault on starting, sometimes it will start no problem othertimes it will turn over then flash up the car spanner light indicating an immobiliser fault i've had the imobiliser ecu changed but it is no better. When my brother uses the car
• Renault Scenic (2003 - 2009) - 05 1.6 Starts on 4 cylinders but only running on 2 21 Nov 2008 (Forum)
  in exhaust. Loss of power also. Pencil coil has been replaced but issue not resolved. Further testing is being done today but suggested that probability that ECU will need to be replaced. Concerned about having ECU replaced if there is no certainty that this is the cause of the problem. Would be very
• Peugeot 306 (1993 - 2001) - 1998 1.4 petrol - High idle speed 26 May 2008 (Forum)
  and that with these problems they have encountered before the throttle body has had to be replaced. Can anyone tell me if this expensive and if the information Peugeot have given me is correct? My garage said no ECU fault codes were showing so does this mean the ECU is OK or should I be more worried? Thanks All
• Yaris 1.0 Petrol Engine Cut out 13 May 2007 (Forum)
  on. The car has been back to the dealer and an ECU has been replaced, but the problem still persist. No fault code was recorded by the ECU. Any clues trying to get it fixed before the warranty runs out? I have told the friend to get rid of the car if the dealer can't fix it. Its too dangerous to drive when
• Astra 2l DTI - ECU light problems 7 Mar 2007 (Forum)
  I have an ongoing issue with a 2L Astra DTI which vauxhall seem unable to solve. I have so far had the EGR valve and Mass Airflow meter replaced. The issue...
• Efficient driving technique 29 Sep 2006 (Forum)
  I have been trying to drive more economically. One of the tips I have come across on the web is to leave the car in gear and ease off the accelerator when going down a hill. I have read that this will only work for modern cars, where the ecu/computer cuts off the fuel. In such cases, it is better
• '98 Pug 306 1.4 keeps juddering at idle 12 Apr 2005 (Forum)
  not to have the same amount of power that it use to i seem to have to give it more gas when accelerating as it feels sluggish and sometimes judders. Did not know if it was the ECU unit or the coil. If its the ECU would a second hand one repair it and how do youe remove it. Hope someone can help. Cheers
• Astra 1.4i lack of engine power. 9 Feb 2004 (Forum)
  1997 Astra 1.4i 6 months ago, distributor was replaced after engine kept cutting out. Before diagnosing that it was the dist. the ECU was 'tinkered' with by Vauxhaul. Since then the car has not had the power it used to. It was underpowered before (it's only a 1.4) but now it feels like there's
• Vauxhall Cavalier 8 Jul 2002 (Forum)
  but forget it if you want to accelerate. Just before this happened the ECU warning light came on when demanding throttle and went off again when throttle was backed off.I have checked the fault codes (thanks to www.topbuzz.co uk who give a fine way to do this with just a paper clip!)and code 44 came up
• Punto stalling 3 Sep 2001 (Forum)
  into the throat of a carburettor body (devoid of bowl, float & jets) in response to a bewidering array of sensors whose data are processed by an ECU on the inner offside wing. I suspect overfuelling and wonder: Has the oxygen sensor in the exhaust pipe failed? Is the engine temperatue sensor/ECU failing
• Land Rover Range Rover 'Classic' (1970 - 1995) - 88 3.5 cutting out 30 Jul 2019 (Forum)
  the ECU for a spare and the symptoms are unchanged. I suspect the answer is quite simple - once one knows what it is. My suspicion is a sensor related to temperature is telling fibs to the electronics. The question is, is this a fault that is familiar to anyone, and can someone suggest which component(s
• Fiat Panda - Is £225 diagnostic fee for my 2008 Fiat Panda ok? 24 Oct 2015 (Forum)
  My 2008 Fiat Panda (25k mileage) wouldn't start, although battery was okay. Green flag man thought it was crankshaft sensor. Took it to Halfords, Sydenham who said they couldn't connect it to their computer so thought something was wrong with the ECU. They told me i needed to talk it to a fiat
• Peugeot 207 - Engine warning light 28 Oct 2014 (Forum)
  in 90mins. We took the car to the main agent and after 2 hours of diagnostics the ECU fault codes were P1336 and P1340 but they didn't have a clue as to why, as the car was running perfectly. They contacted Peugeot Technical who advised that the error codes indicated a "misfire caused by short journy use
• 1.1 Citroen Saxo 1999 - Cutting out and then not even ticking over to start again! 16 Mar 2010 (Forum)
  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)
  2.5K ohms when hot. Lambada senors valur 0.8 v and rising, not the usual up and down between 0.2 & 0.8V. 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
• 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