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• Idle problem with Rover 114 auto 23 Aug 2004 (Forum)
  Hi all. I\'m a new user to this fine website and I\'m hoping that somebody...somewhere(!)can give me some advice with a problem. I have an N reg auto Rover 114 8v. The problem is with the idle speed: it either ticks over too quickly, or not at all. I have changed the temp sensor to the ECU
• Jump starting 4 Aug 2004 (Forum)
  to battery might cause ECU damage.' Does this rule apply to all modern cars? Is the positive/negative earth thing irrelevant now as all cars are the same? Is it still OK to attach battery charger leads directly to the battery terminals, or do similar rules as for jump starting apply? Comments would be very
• Audi A4 tdi - problem or not??? 23 Jun 2004 (Forum)
  I have a 96 A4 tdi 110bhp that sometimes in 1st gear (not always and only ever in 1st) behaves a little annoyingly. When driving at a constant 1500ish rpm, the car will begin to kangaroo very badly (SWMBO accuses me of pumping the accelerator). I think that I might already have a MAF or ECU
• Tuning devices on Ebay 8 Aug 2003 (Forum)
  Whilst browsing the Ebay auction site, I noticed that on offer were tuning devices giving up to 20bhp. The narrative states that these adjust the air/petrol ratio and slightly increases the timing. They were also easy to fit/remove and comparable to very much dearer ECU tuning. I assume
• Airbag "Clock Spring" fault 24 Jun 2003 (Forum)
  it myself will the ECU/Controller for airbag need reseting. I know that Practical Mechanics are doing an article on this very subject next month but this cuts it a bit fine for my MOT.
• Punto 2001 ELX - engine cut out 4 Apr 2003 (Forum)
  to the nearest dealer and awaits a replacement ECU. Has anyone heard of this happening before? I had thought it wasimpossible for an immobilser to cut the engine when the car was going at speed. Can I trust the car not to do it again?
• Cut out when starting 29 Dec 2002 (Forum)
  all the plugs and leads but no improvement (I did not think it would improve as it did not misfire but I thought I would give it a try anyway). No engine light but could it be ECU problems or anything else? Thanks, Garrison
• 306 tick over problems 26 Oct 2002 (Forum)
  , normally about 900 rmp). If you blip the throttle it revs fine, however as it returns to tick over it stalls. I have tried a ECU reset and there are no fault lights on the Dash. Any suggestions?
• Golf GT TDi ABS Problem 25 Oct 2002 (Forum)
  are today, but does anyone know of any specific faults with this car and the ABS/ESR? HJ mentions a recall of Golf/Bora due to faulty ABS ECU - but doesn't say when these cars were made. Anyone?
• micra cutting out 25 Feb 2002 (Forum)
  read post regarding cold starts but my problem can occur at any time even when the engine is fully warm. The self-test on the ECU says every thing is fine any ideas?
• Vauxhall Carlton 21 Jan 2002 (Forum)
  but then it happens again. This problem has baffled the AA and various mechanics, who have suggested crankshaft sensor, ECU or even alternator. The AA even suggested the aerials at Heathrow !! ( I was at the car park that time ! ) Anybody experienced this before ? Help !!! Nick
• Giving Up Smoking 6 Mar 2001 (Forum)
  My one-year-old Focus tdi has always smoked heavily when accelerating and had a rather excessive thirst. I have been advised, by a producer of ECU chips, that there is a known problem with some Focus tdi's which has been traced to the Exhaust Gas Recirculation valve, and that some dealers get
• 
  My Vauxhall Zafira is smoking after I changed the EGR valve - why? 11 Aug 2010 (Ask HJ)
  I recently fitted a new EGR valve to my Vauxhall Zafira, but since I got it done the following happens. When starting there is occasionally white smoke,...
• Renault Clio 1 Petrol (1991 - 1998) - 1997 1.2 high idle and rough 31 Dec 2008 (Forum)
  fix it. Disconnecting the battery for 10 minutes to reset the ECU also fixes it, but the problem always returns. Also, I removed the coolant/engine temp. sensor and cleaned that off which fixed it temporarily. When turning the ignition off, it idles normally on restart until the throttle is pressed
• Corsa 1.0 Power Issues 25 Mar 2006 (Forum)
  ' pedal and nothing much happened then the whole thing lurched forward back into life. Also there was stuttering when just floating along at 30mph. When i took it into the garage, he spent the best part of 45 mins messing around with his computer talking to the ecu and fiddling with the air flow sensor
• Vauxhall Crossland X 2020 - Car Intermittently Not Starting 15 Dec 2023 (Forum)
  Hello, I've had this intermittent problem with my Vauxhall Crossland X not starting at all. The starter motor has been changed and the ECU has been investigated and found to be fine. I checked the battery and it showed 12.47V. When attempting to turn the engine over, it just makes the door
• Alfa Romeo 159 TI 16V JTDM 150 Sportwagen 2009. - Battery charging / replacement procedure. 28 Jan 2021 (Forum)
  Hi Guys, Some advice required please regarding battery desulphation charging >14.4 V or battery replacement. Is it likely that disconnecting the battery for either of the above mentioned actions will cause any issues with the ECU or other electrical systems? Or is it better to parallel up a slave
• Corsa D 2008 1.3 strange issue 2 Mar 2018 (Forum)
  , took it to a garage they said it could be the ECU so it got sent off to be checked, it came back and it was fine, they have done loads of scans but cant find the fault???
• Mondeo mk 3 - EGR Valve blanked - problems since 27 Jun 2017 (Forum)
  . I've reset the ecu by disconnecting the battery for an hour but this hasn't changed anything only my bad for forgetting to set the automatic windows back up...ooops. Can anybody help?
• VW Golf - VW emmissions fix 6 Feb 2017 (Forum)
  the original ECU programme and at least put his customer back to where he was before? Surely this cannot be illegal as many owners are declining the fix as word spreads. You cannot trust anybody, read today that the TV people may be rigging their Electric consumption!