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• 2000 vauxhall vectra 2.0 cdx - vauxhall vectra engine managemet light 21 Dec 2011 (Forum)
  would an air leak on the inlet manifold or breather pipes cause the ecu to report a mass air flow meter problem as the management light is coming on wnen the car is idling but goes out when driving along normally regards melvyn  
• Inertia cut-off switch - rover 100 5 Apr 2005 (Forum)
  Does anybody know how I'd reset the fuel cut-off switch after a sudden stop, please? I know where the switch is (under the bonnet, between the battery and the ECU), it seems to have a rubber cover over it. Do I need to prise this cover off or will this damage it? Thanks.
• Pug 306 10 Mar 2003 (Forum)
  In his car by car breakdown HJ say of the above: "1.8 8-valve XU petrol is the worst engine and many were fitted with the wrong ECU chip leading to failed emissions tests. Autobox not recommended." Does anybody know why the autobox meets with his disfavour? Academic interest only, I would never
• Peugeot Partner - Peugeot 1.6hdi engine swap 22 Nov 2016 (Forum)
  Hi . I have a 2008 Peugeot partner 1.6 hdi with a 9hx engine which has blown up. Can I swap the 9hx 90bhp engine for the 9hy 110 bhp engine. And if so what is involved I.e do I need to swap the wiring loom and ecu. Any advise would be much appreciated.
• Citroen DS4 2.0HDi 165 - elm327/Torque app for DPF data? 2 Sep 2016 (Forum)
  Has anyone used a OBD2 ELM327 coupled with Torque Pro app and managed to access DPF data such as pressure (that one at least) or even saturation %, last regen... Or maybe I cannot see the sensors available to view on the Torque app because citroen ECU management is not allowing it?
• Ford Focus 2005 tdci - LED bulbs and possible problems 24 Apr 2011 (Forum)
  Hi, Does anyone know if by changing headlamp sidelight bulbs,interior and reg plate standard bulbs to LED types affects any control modules in this model(ECU/BCM/GEM/PCM etc) and a possible non start on the vehicle? Would this affect the CANBUS system? Many Thanks
• FIAT Punto II (1999 - 2006) - 02 1.2 Warning Lights and Oil Lights stay on? 25 Nov 2009 (Forum)
  When I take the key out of the ignition the engine warning light and oil light come on and do not go away. They are not on when the engine is on. I have checked oil and think it may have something to do with the ECU? Cheers
• Peugeot 307 CC (2003 - 2008) - 06 1.6 turbo boosting 7 Oct 2008 (Forum)
  With a 1.6Hdi 110hp, if the turbo pressure was boosted by altering the actuator push rod. Would the ECU system see the extra boost and increase the fueling, increasing the power. As you could do on the mechanical pumps and turbos of such as the 306 Pugs and ZX Citroens. Curious as the question
• Peugeot 206 1 Jul 2006 (Forum)
  to get the ECU (sp?) reset by Peugeot. Would welcome any info on this. Thanks
• will this have damaged the cat? 25 Mar 2006 (Forum)
  I ran out of petrol (tried to start this morning and jerking) i got about half a mile before it could not start at all. I put some petrol in, and reset the ecu by taking off the negative battery lead. car is xantia 1.8 16v Will i have done any damage to the cat or any other components? its
• 306 1.6 22 Nov 2004 (Forum)
  I've been offered a Peugeot 306 1.6 XS 98, it's a tidy example and done relatively low-mileage (52000). I know that it only has the 90bhp engine, but I wondered whether anyone knew what the revisions were to make it to a 100bhp and more economical (5mpg) in 2000? If it is just a new ECU, then I
• espace with no power to fuel pump 23 Oct 2004 (Forum)
  My Renault Espace 1990 Petrol injection won't fire. Mechanic has confirmed it runs if power is run directly to the fuel pump, but otherwise pump receives no power. He suggested ECU controls fuel pump so that's been computer checked and is OK. He thinks there is a relay somewhere but cannot locate
• 
  Do modern cars have automatic chokes? 11 Jul 2023 (Ask HJ)
  I've just purchased a 72-plate Kia Picanto GT Line S. Do modern cars still have automatic chokes? My immediate area has 30mph camera controlled restrictions...
• Vauxhall Vectra B facelift (1999 - 2002) - 00 1.8 EM light/ECU? 17 Feb 2014 (Forum)
  correctly. He told me to get the ECU tested before we go any further as he suspected a fault. I also had to replace the EGR valve (seized), I got that from a local vx breakers. First one had the wrong plug socket so took it back and got another with the correct socket but underneath the ports
• 
  My Skoda with DSG doesn't pull away on hills? 22 May 2013 (Ask HJ)
  I have owned a Sept 2010 1.6TDI Skoda Octavia with the dry 7 speed DSG gearbox from new. Currently it has about 44,000 miles on. I like the car "it does...
• 
  What do you think of the automatic gearboxes in the B-Class, A3 and Golf? 11 May 2013 (Ask HJ)
  My shortlist of new cars is down to three: Mercedes-Benz B-Class, Audi A3 and Volkswagen Golf, all with automatic gearboxes. I am aware of your reviews...
• Audi A3 + S3 (2003 - 2008) - 04 2.0 FSI Cruise Control Problem 28 Dec 2008 (Forum)
  Column ECU'. Needless to say, when I picked the car up from the Audi garage and drove it home, the cruise control promptly failed. It's been booked back into the Audi garage but this is now the 4th time it's been in (to a garage) and while it's cost me nothing for the 'repairs' so far, it's becoming
• Zafira and faulty petrol 31 Mar 2007 (Forum)
  , there it was! So . . . back to the garage. They have put it on the diagnostics machine and say it is showing no faults apart from 'running lean' - I could have told them that, it is drinking petrol! And they say it is now the ECU and suggest we take it to a main dealer as they don't know what to do. My car
• Problems with Peugeot406 Eng Mgmt System 21 Mar 2006 (Forum)
  loom or the ECU itself needs replacing - both together are in the order of 1700 pounds. As the car is 6 years old shortly, with 83K on the clock, this is out of the question. Various wiring changes have been made, the fule switch has been chenged a total of three times (certainly at least twice
• Pug 306 1.8 XU7 emissions control? 12 Oct 2002 (Forum)
  the following day. I also know this from the paperwork I have, but the Haynes manual says that the Magneti Marelli ECU fitted to this car is not adjustable, so what was done to make it pass? Ideas last time I asked centred round high tech (but feasible!) solutions such as giving it a good blast, but today, I