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• 
  My Peugeot 306 stalled and now won't start. I have some fault codes - could the problem be the fuel pump? 7 Sep 2010 (Ask HJ)
  I was coming up to a roundabout in my 1999 Peugeot 306 LX HDI the other day. I lifted the throttle only for the engine to cut out. There was no prior notice,...
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  No hesitation 4 Apr 2009 (Ask HJ)
  I own a 2002 Skoda Elegance 1.8 (petrol) turbo 4x4 Estate with which I am very satisfied. Recently, an irregular and highly irritating fault has manifested...
• toyota prius 1.8 2011 - toyota brake bleeding 13 Sep 2018 (Forum)
  brakes , the message comes up lost comminications. dtc codes comming , c1202, c1252, c1256 ,c1365 the brakes go all , the way down no pressure , i belive if i can bleed the brakes , it would rectify above codes . any ideas , is their a relay , or separate ecu , for brakes if so weir
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  Does chipping a car give it better economy and power? 8 Nov 2017 (Ask HJ)
  Are chips any good at giving more economy and power?
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  I changed the battery in my 1994 Mazda MX-5 and now it won't start - what could be wrong? 17 Feb 2017 (Ask HJ)
  I recently fitted a new battery on my 1994 Mazda MX-5 after making a few small journeys and it started with no problem. I returned home and within half...
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  Dashboard symbol for DPF regeneration? 28 Jul 2016 (Ask HJ)
  Is it possible to retro fit my 2011 Ford Kuga 2.0TDCI with a dashboard symbol that will warn me when the ECU triggers a DPF regeneration, so that I know...
• Citroen C Crosser 2.2HDi - Diesel additives? which one and how often 3 May 2015 (Forum)
  Hi, My Citroen spluttered to a halt on the Mortoway last week, lost all power and ECU warning light.  I limped the car along to nearby family member and called Green Flag.  During that journey, the power seemed to recover but the ECU warning stayed on;  Green Flag checked
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  What's the downside to re-mapping a car? 3 Dec 2013 (Ask HJ)
  I am thinking of re-mapping my Jaguar XF 3.0D diesel. I've been told that the torque will increase from 369 to 449 lb ft, with an associated increase in...
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  DPF issues with my Jetta on St Helena? 27 May 2013 (Ask HJ)
  I had my car - a Volkswagen Jetta 1.9TDI DPF - transported to St Helena and now it never exceeds 30mph. Following short trips the light on dash has come...
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  What do these Vauxhall Vectra fault codes mean? 24 Mar 2013 (Ask HJ)
  I have fault codes u2105 (no comms with ECU) and u2139 (no comms with steering column). Any advice on locating the actual problem, as it needs resolving...
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  Car won't start sometimes and is full of condensation. 10 Sep 2012 (Ask HJ)
  Have left the car only twice for 7 & 5 days and it failed to start both times , been checked out by Volkswagon who can't identify any problem. Also have...
• Peugeot 306 (1993 - 2001) - 2.0 HDi fuel problem? 25 May 2012 (Forum)
  at 2,300. The only way to stop it is to switch off a few times and restart it. Sometimes it is ok for a few days, other times I can't clear it at all. I have tried taking the battery off to reset the ECU, but no joy. I suspect it is either an ECU problem or something to do with the fuel supply? When
• Megane dynamique + 2.0 ltr IDE convertible 2001 - Non Runing Megane 10 Sep 2011 (Forum)
  Coded line circuit DF059 Decoder->ring connection Or has anyone got a Renault Megane wiring schematic`s for the immobilier system as I keep being told is the coded line from the ECU to Injector ecu??? any idea what colour this wire is or where the hell it is???? I have
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  Why won't my Nissan Navara start? 17 Jul 2010 (Ask HJ)
  My Nissan Navara's engine is turning over, but not starting. The alarm light on the dashboard does not go out and the central locking isn't working on...
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  Ghost story 15 May 2010 (Ask HJ)
  After locking my Bora the car unlocks itself and all the windows automatically open, with lots of switch clicking and hazards going on and off. This can...
• Vauxhall Vectra B facelift (1999 - 2002) - 02 1.8 changed lamba sensors, ecu light still on 21 Nov 2009 (Forum)
  My vectra engine management lights keeps coming on. Had diagnostic check which said lambda sensors. Put 2 new ones on thinking it was ok, then same problem...
• Peugeot 106 (1991 - 2002) - 98 1.6 gti starting runing problems please help 12 Sep 2009 (Forum)
  of it starting. when you try starting it fires up then cuts outs almost instantly. runs with accelerator fully down but with max rpm 1500. Things tried; Replaced spark plugs Cleaned throttle body and idle control valve Disconnected the ECU overnight Re-connected ECU, car ran for short distance Idle ticked over
• Citroen ZX (1992 - 1998) - 1995 1.8 Petrol - Cutting Out On Over-run 30 Nov 2007 (Forum)
  momentum. Whilst it?s doing this the yellow ecu warning light comes on, but goes out again. Sometimes it also pinks under high load, eg motorway hills, otherwise its a good motor. My instinct says a failing engine management sensor, but which one? Can anyone suggest what may be wrong? Is it likely
• Please Help!!! Volvo S80 Electrical Prob 29 Mar 2007 (Forum)
  the dash in the car. Can anyone tell me if it is the ECU or is there some other control module that runs it. I have been told by nearly every garage that volvo are the only people that will be able to help, but from the sounds of it a replacement ECU and their charges for labour, I will spend more than
• Clio 1.2 Erratic running 19 Apr 2005 (Forum)
  temp sensor, but it seems to idle at about 1200 cold, dropping back to 800 or so when warm as expected, and doesn't seem to be using excessive fuel. Has the feel of an earth fault on the ECU to me, or maybe the ECU is developing a dry joint? Rather vauge set of symptoms I'm afraid, just wondering