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• Ford Focus (1998 - 2004) - 99 1.6 cooling fan too keen 29 Jan 2010 (Forum)
  immediate fix but since then gauge seems to have stabilised by itself. New thermostat and cooling system flush to no avail, despite careful refill and bleed to avoid airlocks as before. Have disconnected battery for a few hours in attempt to let ECU self-reset but no change. If I arrive home with fan
• Peugeot 205 (1983 - 1997) - 91 1.6 Fuse Box/Fuel Pump Intermittent power failu 8 Dec 2009 (Forum)
  , fuel pump relay and ecu, the problem still persists, when the engine cuts out i proceed to 'wiggle' the fuse box itself whilst coasting down the road, and the majority of the time, this caues the fuel pump to start working, this fault must be caused by a loose or faulty connector on the loom, ofcourse
• Peugeot 306 (1993 - 2001) - 2001 HDi intermittent lack of power 10 Oct 2009 (Forum)
  it is in "limp" mode. I have just tried linking out the switch with a piece of wire which i thought would give me a fully performing car again, but this has not worked. Is the ECU clever, and expects the switch to break and make every time a gear change is done ? (i.e. when the throttle is released) Which
• Mazda 323 (1998 - 2003) - 01 1.6 Intermittent flashing engine check lamp 7 Aug 2009 (Forum)
  that the ECU stored the fault code, but perhaps I wrong! Has anyone had experience of this problem? Whilst I owned the car I had the engine check lamp come on and it was a defective knock sensor to blame (known 323 problem). Any help greatly appreciated...he's ripping his hair out in frustration
• Vauxhall Corsa B (1993 - 2000) - 95 1.2 Engine wont start after engine swap 27 Jun 2009 (Forum)
  hi all i am in need of desperate help, i have two corsas one 94 year one 95 year i have put the 94 engine in the 95 one as the engine was blown in it now the engine wont start, the 95 one has an immobiliser so i have disconnected it and are using the ecu from the 94 one still wont start, i have
• Peugeot 307 SW (2002 - 2008) - 02 2.0 Washer system 26 Jun 2009 (Forum)
  Hi Guys Previously you have been of great help to me and I hope this is quite simple Last Monday when leaving work I had an anti pollution fault. I had it checked out on Tuesday and had the ECU reset - since then, no faults or warnings On Thursday, going home, I tried to use the windscreen washer
• Jeep Grand Cherokee (1999 - 2005) - 99 4.7 Automatic gearbox problem! Please help!! 25 May 2009 (Forum)
  after shift 6. P0715 Input speed sensor error 7. P0218 High temperature operation avtivated Anyone has any idea if it could be the fault of Gearbo ECU? as I've been told it is a common fault on this model. Thanks a lot
• Vauxhall Vectra C (2002 - 2008) - 04 2.0 Lack of power at 74k 16 Mar 2009 (Forum)
  not working owing to return earth wire to ECU not switching all vacuum tests on vehicle or engine management light on vehicle. Ignition on mil light on but goes out on start up Any feed back greatly accepted Regards Paul Edited to remove SHOUTING, Rob
• Renault Laguna II (2001 - 2007) - 03 1.9dci Engine "stop" light and other problems. 15 Jan 2009 (Forum)
  at it and now its seems to be a ecu or injector fault as its losing the coding..is this a regular problem or can anyone shed any light.. hes fitted a fuel filter and got the diesel to maintain pressure but apparently the injectors are working intermitently thus allowing NOT enough fuel through hes also eplaced
• Peugeot 306 (1993 - 2001) - 99 1.6 Petrol - Erratic starting & idle from cold 11 Nov 2008 (Forum)
  is very smooth at around 800-900rpm). A friend (who knows more about these things!) suggested I replace the Idle air control valve which I did. The problems are still there though. I have also reset the ECU which initially made things worse then settled back to the above pattern. Any advice would
• Ford Mondeo IV (2007 - ) - TDCi "transient overboost" -- what triggers it? 8 Jul 2008 (Forum)
  is required" or "under hard acceleration". Nothing technical, or more detailed about when it happens, and the circumstances. I'd be very interested to know: --> is it only triggered when the pedal is floored (similar to kickdown in an automatic)? --> or is the ECU clever enough to give overboost
• Vauxhall Vectra B (1995 - 1999) - 1999 X20XEV Should the fuel pump relay be warm to 23 Apr 2008 (Forum)
  pump and injector return were every warm to the touch, even after a 10 minute journey. Is this normal? In theory they should be dissipating very little power, just the current through the actuating coils, so i don't see why they should be warm. Is this normal doctor? P.S. Simtec 56.5 ECU
• Fuel consumption figures 16 Mar 2008 (Forum)
  miles\" or some other such inter-galactic distance. Yeah, right. Underlying the official figures lists is a fun, intra-industry game in which one firm\'s boffins try to outsmart another\'s by ECU tweaks and other arcane manoeuvres. Intellectually satisfying to them, results in league-table positioning
• Volkswagen Polo III (1994 - 1999) - 1998 1.4 - only running on 2 cylinders 7 Feb 2008 (Forum)
  , leads and coil. (it always has a good spark). swapped injectors with 2 and 4. Cleaned out the throttle body twice. Sent the ECU away and had it lab tested, no problems at all they say. Its now out of MOT and won't pass because of the high emissions, its practically undrivable anyway. My independant
• 306 hdi cooling fans again (sorry) 15 May 2007 (Forum)
  a diagnostic done incase of an ecu fault or just get it into a good auto electrition? cheers
• 406 8v Turbo - Warning light issues 31 Mar 2007 (Forum)
  I have a 406 8v Turbo (1998) which regularly shows the engine warning light during hard acceleration and the turbo cuts out. This is particularly annoying if your overtaking!! I disconnected the battery for some time to reset the ECU - made no difference. I have taken it to Peugeot for engine
• Fiesta TDCI injectors / oil burn 23 Feb 2007 (Forum)
  for new injectors at some stage, would like to keep the car, but have a lack of confidence. Any suggestions as to the underlying problem? I think 2002 was the first of the TDCI fiestas so maybe a design fault or ECU issue? January 07 oil light comes on and topped it up with 4L of oil, End Feb 07
• 1997 Alhambra 2.0 auto - opinions? 27 Nov 2006 (Forum)
  these have JATCO autoboxes, which seem to enjoy a good reputation. There have been issues with water ingress into the ECU and autoboxes locking in park, though. So, my first question is, what's the backroom's verdict on this as an MPV? Worth a look or steer well clear? My second question
• Troublesome Scenic 22 Sep 2006 (Forum)
  Our 2005 Renault Scenic has had the following problems : 1) Steering lock failing to disengage - has been replace under warranty, but the new one still intermittently sticks. 2) Auto-box not changing smoothly - gearbox ECU changed under warranty. 3) Gear lever came off - repaired under warranty. 4
• Alfa 156 JTD 16V Performance Problem 30 Mar 2006 (Forum)
  is getting worse. It can take 5 - 10 mins to get the revs up to take off in the mornings. I have cleaned out the air intake as much as possible (it was filthy), changed the oil&filter, air filter and fuel filter (twice). I've been told the Air flow meter is fine and what it needs is and ECU upgrade. Anyone