M333KS D
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Registered: 15th Mar 04
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does any body know whether or not it is possible to re-program an ecu, i have a poxy 1.0l corsa c 12v, and i am putting in a 1.8l 16v lump. but the only thing i have not got for this lump is the ecu. so i wondered whether i can get my original ecu re-programmed?????????????????????????????? thanks
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topshot_2k
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Registered: 1st Dec 03
Location: Northampton Drives: Pug GTi-6
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NA mate dont think its possible (not 100%) tho why dont you go to a breakers or Vauxhall and buy a new one? or get asecond hand one from scrappy??
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L330wnz
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Registered: 9th Mar 04
Location: Norwich, Norfolk
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do a search on ecu re-programming mate sure there's previous threads!
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M333KS D
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Registered: 15th Mar 04
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so say i went to a scrappy and got an ecu for that size of engine, would it still work with it being an ecu for a different engine????????
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topshot_2k
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Registered: 1st Dec 03
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Your 1 liter ECU wont work on 1.8 i dont think. You will need an ECU for the 1.8 16V engine and just wire it in. Or you can get a custom one from velosmotorsport.com which they will program from scratch for the 1.8 engine. Dont thinks its possible to reprogram any standard vauxhall ECU for a different engine. Just go scrappy get a ECU of a car with same 1.8 engine and it will work fine.
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L330wnz
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Registered: 9th Mar 04
Location: Norwich, Norfolk
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I've heard ECU's 'adjust' accordingly to the engine 
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topshot_2k
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Yea but its a bit different from a 1000cc to an 1800cc ???? thats some adjusting to do!!!! NOt 100% sure but you guna need a ECU for your 1.8 engine either from vauxhall, custom made or second hand from scrappy
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M333KS D
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Registered: 15th Mar 04
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have you got any ideas of any prices?????????????????
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topshot_2k
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NO mate sorry, but from scrappy they shouldnt be too expensive. £50 to 100 jus guessing. phone around a few scrappys in yellow pages matey. Tell em you want and ECU fo a 1.8i 16V vauxhall engine (tell them year of your engine) and they should sort you out
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TOMAS
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Registered: 7th Aug 02
Location: Nottinghamshire
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I also think that you need the transponder out of the key of the car with the 1.8 ecu. All ecu's are programmed to work with a specific car key.
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MikeH
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Registered: 3rd Apr 03
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You *could* reprogram a 1.0 ecu to work witha 1.8 BUT we are talking advanced microcontroller programming here which i'm guessing your not an expert at 
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M333KS D
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Registered: 15th Mar 04
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no im not, funnily enough, lol. but im gettin my mechanic to do it for me for next to nothin, n he works at a garage, so it is actually possible to re-program an ecu then! but if not, n i do get 1 from the scrappies then i can get it re-mapped to work with my key cant i??????????????????????
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topshot_2k
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Registered: 1st Dec 03
Location: Northampton Drives: Pug GTi-6
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Think it should wire in and work with your old key?
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topshot_2k
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what? Jus spoke to my mate (mercedes mechanic) and hes says you would need the original ECU from the 1.8 engine or have the new one re programmed to work.
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micra_pete
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Registered: 23rd Apr 03
Location: West Yorkshire
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yes you would need one from either the same type of engine, or a full standalone unit.
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M333KS D
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Registered: 15th Mar 04
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thats ok the cus the original ecu is long gone by now, so will just have to try and find 1 from the scrappies and then get it re-mepped for my key n immobiliser etc
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M333KS D
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Registered: 15th Mar 04
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thats sound mate, but thats what owners clubs are all about really, sharing info. i have just been on that velo website bout the ecu, and the sell the programmable ecu's and wiring looms for £800 so i think i will try and do it ANY other way!!!!!!!!
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