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• Citroen C3 - Citroen c3 starting problem. 2002 model (S regis.) 2 Apr 2011 (Forum)
  and spent 200 quids, still no solution. Garage said instrument detect immobiliser problem. Used extra key to test, the car still refused to fire. Now I guess it is worst bcos it is showing ECU on the dashboard. I am thinking of breaking the damn thing into piece
• peugeot 306 meridian 1.4 petrol - peugeot 306 problem 21 Mar 2011 (Forum)
  is ok but is unsure exactly what is causing it. he said it maybe the brown 15 pin connector bolted to the back of the ecu case but wasnt sure as to what it is for. As he was taking a look he noticed a wire running fom one of the fuses in the fuse box next to the battery to a square black connector
• kia sedona - No pulse on injectors with 2.9 CRDi sedona 2004 9 Mar 2011 (Forum)
  light in the injector wiring plugs and there is nothing at all. My autodata doesnt have a wiring diagram for this vehicle so I am struggling with basic checks. The cam sensor has a 3 pin plug on the ecu side unplugged with 5 volts at 2 of the terminals and one to earth which seems odd
• Fiat Punto Mia - Power Steering Failure 10 Oct 2010 (Forum)
  My power steering recently failed right on top of the mot. The garage informed me that the steering column might need replacement, or the electric motor and ECU. That cost would
• FIAT Ulysse JTD - HELP please, Fiat JTD (HDI) non starting 9 Oct 2010 (Forum)
  Hi Can anyone try and give me a few fresh ideas of why my fiat ulysse will not start, its a 2000 X JTD 8 Valve and the engine code is RHZ with a bosch ECU. I have done the usual stuff with these modern cars - i had a mobile guy come out and scan the car for codes. here is the rather long
• Ford Focus 1999 1.6 Ghia - Firing on 3 cylinders (I think!!) 26 Apr 2010 (Forum)
  . Apart from the diagnostics is there any other tests I can do / try to try and narrow this down.  Does the focus have a blinking ecu light thingy that my astra does when I press accelerator + break and count the flashes? Any advice greatly appreciated he's already spent a fortune getting
• Ford Fiesta (1995 - 1999) - 91 1.6 xr2I 8v emissions too high 15 Feb 2010 (Forum)
  cam shalft and tappets all new!! check cam belt timeing the engine had new big end bearings piston rings fitted and seems to be runnig great its just the emissions is driveing me mad!!! i did get told ecu can go faulty that stops you from resetting the emissions is this true?. can any one help me
• SAAB 9-5 (1997 - 2009) - 05 2.2 Xenon headlights 18 Dec 2009 (Forum)
  fiddle....you need to change the headlight ecu, and there are lots of wires. Does anyone know anyone who has done this before, and would be prepared to do it again. Does anyone know what exactly you have to do, as my mechanic is very good, and may be able to do it, with guidance. Please help!!
• Vauxhall Corsa B (1993 - 2000) - 97 1.2 dash rattle 26 Jul 2009 (Forum)
  container with a marble in it. To date ive removed and checked behind instruments os dash vent ,scuttle trim, under wiper linkage,removed ecu looked inside A pillar. even taped up demister vent but the sound is the same. I also removed osf wheel arch liner and checked security of charcoal cannister but all
• Citroen Despatch (2007 - ) - 05 1.9d Intermittant engine surging woes. 2 Jul 2009 (Forum)
  of smoke,it then clears itself & the van runs perfectly at higher speeds.Im led to believe the ecu & other various sensors controls the advance/retard fuel timing on the injection pump regarding this engine.Could it be a dodgy multiplug connection somewhere or has the pump solenoid shot its bolt?.One other
• Ford Focus (1998 - 2004) - 99 1.8 Problems 22 Jun 2009 (Forum)
  and pads New Drums and rear Brakes New Rear Wheel Bearings New Starter Motor Comlete wash out and fresh anti freeze solution Oil change with genuine ford oil and the problem still persists. have i missed something, should i be looking at getting at ecu reprogrammed, should i look at the battery
• Volvo S40/V40 (1996 - 2004) - 1999 2.0T - V40 bad misfire 15 May 2009 (Forum)
  have had RAC out 4 times!). Can be better after a cool down and it is always OK next day at the garage - has been back each time but not fixed. Have had new ecu (originally no fault codes) and a coil (based on fault codes). It worked for 2x130 mile journeys after coil but died today after 40 miles
• Peugeot 306 (1993 - 2001) - 1998 1.4 Petrol - Missfire 23 Mar 2009 (Forum)
  no difference at all. I'm at the point where i want rid of the car but i can't sell it like this! I have read a few things online where its been suggested it could be the ECU, also could be a MAP sensor?? Any help is greatly appreciated!
• Volkswagen Beetle (1998 - ) - do I need to disconnect battery whilst charging ? 30 Jan 2009 (Forum)
  whilst charging, to avoid possible alternator damage. What are the Backroomers thoughts on the need for this? Can't say I've ever disconnected the battery from the car before? Presumably this would result in the ECU resetting itself, needing to dig out the code for the radio etc. Is it really
• Volkswagen Lupo (1999 - 2004) - 03 1.4 Misfiring when cold 4 Dec 2008 (Forum)
  of the heater element in the lamda sensor, causing the ECU to think the engine is running too rich when it is cold, so it makes the mixture leaner until the mixture till the engine misfires. Once the exhaust gas has heated up the lambda sensor, the problem goes away. What do you think? If I could find out
• Vauxhall Astra G Diesel (1998 - 2004) - 03 2.0 Power loss/revs increase after long idle 21 Oct 2008 (Forum)
  and I take it out of gear, re engage the gear and then lift the clutch pedal the revs increase with the accelerator and everything is as normal. Also when in heavy traffic and the vehicle is at idle for a prolonged period of time the revs will icrease to approx 1300 RPM and the ECU light will come
• Mazda 323 (1998 - 2003) - 2002 2.0 Correct way to use jump start leads? 16 Sep 2008 (Forum)
  ' in the discharged car's engine bay. My FiL followed this method to jump start his petrol Corsa C. As soon as he put the lead on the engine hanger of the Corsa it sparked. The car then started okay with the jump but it later transpired that the ECU was fried! It's possible that on trying to use a battery charger
• Renault Laguna (1994 - 2001) - 00 1.8,16v engine misfire 31 May 2008 (Forum)
  be the throttle position switch or the ECU thats causing the problem,need to know as this car costing me a fortune and buggin me that i can't get to the bottom of it,any one with the similar problems that may be able to advise,much obliged.
• Reliable diesels - is there such a thing? 16 Mar 2008 (Forum)
  ECU and fuel injection problems, clogged valves...you name it.... From reading this forum, the 130bhp Mondeo seems dogged with similar problems, ditto the Mazda 6. I'm after a diesel. It needs to have a big boot for the dogs. It needs to start in the morning without worry. The Skoda sounds great
• Ford Fiesta (1995 - 1999) - 1998 1.3 - Engine trouble 22 Feb 2008 (Forum)
  1242cc 16v 1998/R reg Hi, My engine had seized up so I bought another one (exactly the same even down to the year of manufacture) and fitted it. Upon attempting to start the car it is cranking but not firing. This cant be an ECU problem because the engine is exactly the same as the old one even