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• Renault Clio lRT 1400 petrol auto 1997 'R' reg - Automatic transmission warning light on 19 Mar 2011 (Forum)
  I have been led to believe that it could be a solenoid fault, which is easily rectified by changing/updating the solenoid - but this then requires reprogramming the ECU.  Anyone have any ideas?
• Nissan Micra 1.4SE Sep 2000 - Excess mpg - Air Temp reads constant 42 C 29 Jan 2011 (Forum)
  Other than that everything looks normal except the air temperature sensor is reading a constant 42 deg C when the outside temperature is more like 5 or 6 deg C. Could this be an issue? It does not seem to have caused the ECU to log it as a fault.
• skoda octiva 1.9 sdi 02 - 02 skoda octiva sdi key fob problem 8 Jan 2011 (Forum)
    Iv'e been advised to do a re-boot after every thing goes to sleep disconnect battery earth join pos to neg and run voltage down and re-connect  I would like more input to this before trying this out afraid to damage ecu or some module any feedback greatly accepted Regards Mickeybo
• Vauxhall Zafira - Zafira Diesel Starting Probs 4 Jan 2011 (Forum)
  I'm out of idea's now and hoping someone can suggest something else. I'm wondering weather could be fuel pump ECU???? Help Me Please!!!!
• Ford Escort but any really. - How to swap an engine 22 Dec 2010 (Forum)
  I'm wondering how difficult it would be to make the swap, it sounds like a big deal but both engines run on carbs so there is no ecu's to be messing about with and all the mounts will match up. Does anyone have any advice, anything i should watch out for or that I haven't accounted for? Cheers, Tom
• Clio 1.5 Dci - Clio 1.5 Dci not starting......... 9 Dec 2010 (Forum)
  The "glow plug" light on the dash does not come on now and I have checked them to make sure they are all working. I have been told so many stories from ECU to bad alarm system BUT the keyfob opens and locks the car as per usual and like I said it does turn over but does not fire up!!! PLEASE HELP!!!!!   Regards Ian
• Vauxall Movano dti 2.5 - power loss / limp mode 10 Sep 2010 (Forum)
  It has lost power but still starts and drives. It feels like the turbo is not working but there is no smoke or noise. I have had the ecu read for fault codes and it came up with... Glow plug... Crankshaft sensor... Air mas meter. I have changed the crankshaft sensor, but no change. I does not have an Air mas meter, I checked the engine and checked with vauxhall.
• Nissan Micra 1996 1.3 - Nissan Micra Error codes 141 and 143?!?!? 18 Apr 2010 (Forum)
  The engine light flashes, the engine starts, runs for a few seconds, then cuts out. I did the self diagnostic thing and the ECU gave me error codes 141 & 143 (14 long and 1/3 short flashes).... I can't find anywhere that lists what these codes are. Following other advise, I've cleaned the fuses and relays, checked the air filter and made sure all the fluids are topped up.
• BMW 3-Series E36 (1991 - 1998) - 98 2.5 Hunting revs at low speed 25 Jan 2010 (Forum)
  I've lived with the problem so far and it doesn't affect the car in any other way, but I wonder if someone knows what causes it? Maybe the idle control valve? Or a glitch in the ECU program? Thanks for any suggestions.
• Coasting 10 Dec 2009 (Forum)
  IF i was to coast i will leave the car in gear and simply keep the clutch pedal pressed to the floor. In cars over 15 years or so before the ECU and fuel management came into effect you can save fuel if you press the clutch down and take your foot off the accelerator pedal when going downhill for example. In effect the car will be going at the same speed while the engine is idling therefore saving fuel.
• Vauxhall Vectra B facelift (1999 - 2002) - 00 1.8i engine 'hunting' 28 Oct 2009 (Forum)
  16v model Recently aquired this car and it 'hunts' quite badly whilst warming up but seems to tickover ok when warm.My initial thought was that the CO needed adjusting but I've been told that it's all controlled by the ECU and it was suggested that the EGR valve might need cleaning. The battery (I think) needs replacing could that be a factor? Can anyone tell me where the EGR valve is and how do I clean it? If I got it nice and hot before taking it in for an mot would it give a passable reading?
• Ford Mondeo III (2000 - 2007) - 02 TDCi Code reader, which one should i buy? 16 Oct 2009 (Forum)
  Might have an injector out, but as i like tinkering with cars and buy and sell a few i need a code reader anyway, just one that will also read the ecu on my 02 tdci 130 mondeo. Dont really want to spend any more than £100 and im not familiar with the OBD, OBDII stuff. What does that mean? Any advice? cheers {moves from classifieds to Technical Matters}
• Volkswagen Golf III (1992 - 1997) - 98 2.0 GTI - ignition timing 8 Sep 2009 (Forum)
  I've done the same on an older ABS engine - (6') - and that worked really well. Any thoughts? Does this car have a ECU "timing mode" perhaps? Nothing about that in Haynes or Bentleys'. Cheers all, James
• Volkswagen Golf V (2004 - 2008) - warning lights on 4 Aug 2009 (Forum)
  It was an ex company car with 85k on the clock. I had it serviced recently and the dealer did the warranty recall on the ECU software. The car was fine for a week then all the warning lights came on and I stopped the car and had it recovered to a dealer, who told me there were 66 faults showing. They checked the major faults and nothing was wrong and then re-set the faults and the car seems fine.
• Precautions when battery changing. 24 Jun 2009 (Forum)
  Don't need to worry about my old MB, it doesn't seem to bother at all when the battery is disconnected...which with it's previous ECU/wiring loom problems was quite a few times..;) But i hear that some cars do have problems if battery power is lost, and more problems if you mess up connecting a new battery, yes even if connected correctly.
• Skoda Fabia (2000 - 2007) - 02 1.4 Front wipers self park ½ way across screen 7 Mar 2009 (Forum)
  Is there a seperate relay somewhere? I can hear a click from under the dash, and apon digging can only see a large ecu thingy which must house the relay. Can any of you VAG experts help me out. Regards, Norman.
• FIAT Bravo and Brava (1995 - 2002) - 96 1.8 starting problems 19 Feb 2009 (Forum)
  theres no spark coming from the coils. it just turns over. i got the crank sensor changed thinking it was that but still not sparking. i also changed the ignition module..still no spark. im not to sure weather it may be the ecu. everything on the dash is coming on and off as normal including the c o d e light. my mate who has dealt in cars for over 30years seems to think that it is a electrical fault somewere but i dont know..has anybody got any asnwers please...thanks.
• Recommend Subaru to replace troublesome Golf? 27 Jan 2009 (Forum)
  A customer of mine has a 70k 52 plate Golf GTi 2.0 and it has spent 5 weeks of the last 3 months in the garage and is currently in again for an ECU issue. Its already had several sensors, 5 instances of warning lights popping on and other various electrical glitches and the short warranty it came with is soon to expire. She has had enough of it and ive spotted a main dealer 2003 Impreza GX 5dr with 44k for reasonable money - my reputation is sort of on the line as I implied it would be the polar opposite of the Golf - just had a sudden doubt in myself - was it a safe statement as id hate her to buy another dog?
• Renault Scenic (2003 - 2009) - 2004 1.4 - Warm Starting Problem 5 Jan 2009 (Forum)
  You can try to start it may be 3 or 4 times before it will idle over OK. There are no fault codes on the ECU, I've already changed the crank shaft positioning sensor, the air inlet temperature sensor & the engine coolant temperature sensor, but none of these has made any difference. Does anybody have any other ideas.
• Jaguar X-Type (2001 - 2009) - 04 2.0 (diesel) air bag light on 2 Dec 2008 (Forum)
  i have been advised it might be a corroded connecter but the garage wants to charge a labour charge of £100 just to get the center arm rest out to get to the part . would a proper jag ecu diagnostic scanner sort my problem ??? also i noted on a sudden acceleration smoke plumes from the exhaust , when i felt in the exhaust pipe there was black soot deposits . thanks guys in anticipation chris .