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• Peugeot 308 CC - Faulty engine control system 17 Aug 2020 (Forum)
  speeds without me noticing any degradation in performance. The technician finally had a look at it yesterday and told me that its problem with the valve (might need cleaning) which is causing issue with the ECU. They contacted warranty and was told that this is not enough and they need to give more
• Ford Focus II (2004 - 2007) - 05 1.6 Engine System Failure on 115PS 12 Jan 2020 (Forum)
  what my be the root of this problem. I have heard it could be a speed senor, lambda senor, engine coolant senor or problem with ECU itself. I also understand that a main dealer can charge £100 or more just to plug car into diagnostics machine without actually fixing problem. What is my best plan
• Peugeot 307 - Peugeot 307 (2001 - 2007) - 03 110, Anti Pollution 4 Jul 2019 (Forum)
  warning Car is now on 60K miles. Can't see anywhere in the paperwork that the 50K topup/service was done VIN No. is  a HZC vin no and I dont know how to find the model of the ECU as i've read that one code can have three meanings dependent on this. Help!! Thanks
• Fiat Punto 1.9 JTD 85 - Error code P0380 but 2 dealer got no clue 21 Mar 2016 (Forum)
  on other forum of Vauxhall, Saab and Alfa ECU sorted corrupt data and it stuck forever. What they did is remove led on speedometer icon coil and ignore it. What about MOT if it can go through?? Spend total £312! I have already waste my money! I don’t want to waste anymore further
• E46 330D Touring 2001 - E46 330D Touring spluttered to a halt and now will 12 Apr 2013 (Forum)
  and may be coming up due to the battery voltage dropping off and the ECU saying im not happy about this glow plug error well that aint no big thing but shouldnt stop the engine from starting. So next plan is to change high pressure pump as im fast running out of options unless anyone on here can
• Peugeot 307 HDI 2002 110BHP - Anti Pollution 16 Dec 2011 (Forum)
  communicing with the ECU. Not too sure what has happened but I really want to get the car fixed... I am taking the car back in Tuesday but I would like advise first of what it could be???? Not too sure if the original garage has disturbed somehting when removing the gear box?? Kind Regards
• Vauxhal Vectra B - X18XE Missfire (no EML) 7 Sep 2011 (Forum)
  on? So... I started off by checking the engine grounds,ECU ground and basically any i could find (they where cleaned and checked) next i was told that the alt overcharging can do odd things so i tested that (14.4v at 3000 rpm which i believe is ok), i thought that maybe the oil fault had returned so i
• Vauxhall Corsa C (2000 - 2006) - 04 CDTi Easytronics gearbox problems 17 Sep 2009 (Forum)
  solve the problem as well as a couple of recall mods. I go to collect the car and it stops again 100meters up the road. They recover it and tell me it needs a new engine ECU at £600 plus and after fitting that they may be able to find the other fault. Having lost faith I have removed the car to my local
• Rover 400 (1995 - 1999) - 1998. 416 model - heating issues 15 Jan 2008 (Forum)
  shoud i unplug battery or ecu to reset codes before i go to him or leave as same? i am poor single parent willing to do as directed to check or do work as to try to reduce the mechanics bill, but appeciate quality costs!!!! please help !!! Thanks in advance dazrover
• Dealers fighting back against BER 22 Aug 2007 (Forum)
  . I gather a number of other dealers are about to take this sort of approach. We have also heard that some manufacturers are introducing very expensive tools to reset service indicators that connect back to the factory. The car's ECU incorporates software so that the service indicator cannot
• Spanner-How to survive your local garage 6 Oct 2002 (Forum)
  to 'twiddle' is to change the resistance of the sensors for a given temperature. Are you implying that those involved in sharp practice go to the trouble of adding resistors to the circuit, thereby fooling the climate ECU into thinking it is seeing lower temperatures than it really is? What about those
• Peugeot 5008 1.2 PureTech - Issues After Safety Recall Check 4 Nov 2023 (Forum)
  in the ECU. Perrys suggested a partial engine strip for further investigation, estimating two hours of work, all at the same hourly rate.   Concerns: Immediate Fault after Check: The serious fault appeared only a day after the recall check. This raises doubts about
• Honda CR-V CDTi - Crank, No Start 25 Jun 2020 (Forum)
  it’d be the battery as the crank is strong, likewise all electrics fine except these few pre ignition lights. I’m suspecting relay, sensor, or main ECU? I was hoping someone might know more about the electronics surrounding the ignition system. my current suspicion is the main relay
• ANY - Helping Conscientious Drivers Avoid Speeding Fines 31 Jan 2020 (Forum)
  extra lines of code in the ECU – properly validated and tested before release of course! I imagine that this simple modification will not be widely implemented until there is sufficient public demand for it. What does the HJ Forum think of this PLEA?  
• Mitsubishi FTO - dealer not helping 24 Jul 2015 (Forum)
  , they still have the car as now the ECU is causing problems also, it has been there for about 8 weeks and still no end in sight. the bill at the moment is a further £1600. I contacted the garage that sold me the car and they are refusing to help and are now saying that they sold the car to me
• Ford Focus 1.8 TDCi, 2001. - Occasional rough starting 27 Oct 2012 (Forum)
  . Occurs on 1 out of approx. 50 times I use the car. Occurs no more frequently now than 6 years and 60k Km back. I thought this might be a faultly ECU but maybe it is related
• Ford festa - Please help new Injector seals replaced by garage. 21 Oct 2012 (Forum)
  ... and then they said it could be the ecu and that could be expensive to fix ..so they had the car for 4 days I got it back for this weekend as I had to go somewhere so I took it on the motorway wow it was painful not to say dangerous it just about got to 70 mph I could not overtake as there's no power I have to take
• Ford Fiesta Zetec - I bought a stolen Car (Clone) what happens now? 8 Jul 2012 (Forum)
  and the TAX and MOT appeared fake as well.   Today the vehicle is being taken to a ford garage to be plugged in and have its ECU checked. Is it certain this will identify the true VIN of the vehicle?   Once they have identified its true identity they will obviously know
• Renault Espace (1997 - 2002) - 02 2.2 DCI difficult starting 16 Feb 2010 (Forum)
  guage were OK, and the engine seemed normal, I put this down to probably the water temp sensor going soft and ignored it. Soon afterwards, the car became very difficult to start when warm, but absolutely fine when cold. I reasoned that maybe the same sensor was misleading the ECU? Anyway, as autumn
• Volkswagen Polo III (2000 - 2002) - 00 1.0 Engine timing 20 Jan 2010 (Forum)
  that there might be something wrong with the timing. In the Engine ECU i think that its just not sparking the Engine oil or fuel. what do i do? I looked at this post and i am thinking should i change my Spark Plugs and check out my Air Filter ? http://www.honestjohn.co.uk/forum/post/index.htm?t=38204 Please