a13bee Posted July 18, 2008 Report Share Posted July 18, 2008 hi i am new to the forum hello to all but i have this problem i have a 1995 4.2 quattro in the beginning i had a ecu fault and brought a second hand one which i saw in the car and the car started up fine but when i got it home and put it in mine in the usual manner disconnect the battery earth and put the second hand ecu reconnected the battery all was going nice till i tried to start the car the immobilize light started to flash the car starts for a couple of seconds then cuts out and thats all it keeps doing can anybody tell me if i am missing a step does it need to go to audi to be reprogrammed or what can anybody help me its doing my head in any help is welcome regards to all colin. Link to comment Share on other sites More sharing options...
craigyb Posted July 18, 2008 Report Share Posted July 18, 2008 Welcome to the forums I'm sure one the A8 veterans will be along shortly, but I would say yes, you cannot just swap an ECU, I may be wrong as I hear about people swapping ECU's when doing performnace upgrades. Which ECU was it? Immobiliser? Link to comment Share on other sites More sharing options...
LostKiwi Posted July 18, 2008 Report Share Posted July 18, 2008 The ECU is coded to the key which has a small chip in it. The key is read by a key reader located in the black plastic surround around the lock barrel. The bad news is that without the key and barrel associated with the 'new' ECU you are pretty much scuppered unless you have all the code details to recode the ECU (these used to come on a tab with the keys but I can pretty much guarantee that you don't have yours unless you are very lucky). If you are lucky enough to have the tab then you will still need VagCom.... Looks like you may be in for a trip to the stealers to sort this unless IT_S8 or Sven or PaulW happen along and know another way.... Link to comment Share on other sites More sharing options...
Figure11 Posted July 29, 2008 Report Share Posted July 29, 2008 a13bee, How did you get on with this? Where abouts in Devon are you? Mike Link to comment Share on other sites More sharing options...
a13bee Posted August 5, 2008 Author Report Share Posted August 5, 2008 hi mike i live in brixham thanks for reply the problem with the car was the amplifiers 2 new amps and the codes cleared sorted the car out were are you far regards a13bee/colin Link to comment Share on other sites More sharing options...
Figure11 Posted August 7, 2008 Report Share Posted August 7, 2008 I'm in Plymouth. If you ever want to meet up and talk 8's and other b@ll@x let me know. I am trying to get group of 8 enthusiasts together to offset the Yorkies!! Mike Link to comment Share on other sites More sharing options...
harpersimon Posted August 7, 2008 Report Share Posted August 7, 2008 can the problem resoloution be described a bit more. New Amplifiers? Was it a Radio issue then!? Link to comment Share on other sites More sharing options...
Figure11 Posted August 7, 2008 Report Share Posted August 7, 2008 (edited) can the problem resoloution be described a bit more. New Amplifiers? Was it a Radio issue then!? [Captain Mannering Voice] Stupid Boy [/Captain Mannering Voice] Try this post here. then read last 2 or 3 posts in thread. Mike Edited August 7, 2008 by Figure11 Link to comment Share on other sites More sharing options...
harpersimon Posted August 8, 2008 Report Share Posted August 8, 2008 [sorry for being a cock voice, and not putting a smiley in the Radio amp sentence] Ah right. Not sure I have them since someone has cut a cylinder off each side of my engine [/sorry for being a cock voice, and not putting a smiley in the Radio amp sentence] Link to comment Share on other sites More sharing options...
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