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Discussion Starter · #1 ·
Hello all,
I have a y registration Corsa from 2001.
I returned home in it the other day and when i took out my keys in the usual way - the car was still running (!).
Subsequently I had to stall the engine and disconnect the battery in order for the power to be cut off.
I removed the ignition barrel using the method described in the Haynes manual and discovered that the end of the ignition barrel (where the spring is connected) was snapped off which explained why turning the keys had no affect.
I then acquired a new barrel from a car breakers yard.
together with the key.

The new barrel was fitted and the chip from my OLD key was placed into the NEW one.
The idea was that I would have one key for the doors and one for the ignition.

HOWEVER - the car will NOT fire up now.
The ignition works fine and I have had a lock specialist check that the car is reading the chip correctly and all is fine.

It seems that the car has somehow immobalised itself.

It has been a bloody nightmare - I had to get the thing towed during rush hour last night down one of the busiest roads in Bolton in order to get the lock specialist to have a look at it.
He was very good and confirmed that the keys/chips were all ok (Thank you Bolton Lock Specialists) but the car will not fire up.

Please can anybody give any advice on this one?
It really does seem like it has imobalised itself.

Any comments much appreciated!
 

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If the EML is flashing then it is the immobiliser that's causing this.

Have you tried disconnecting the battery and leaving it for an hour or so? Bit of a long shot, but no harm trying.

You say that the lock guy checked that the transponder was reading the key chip correctly, so it's not something like the transponder has been knocked whilst changing the ignition barrel.

You may end up needing the services of an auto electrician on this one. I have a bit of a suspicion that your ecu may not have taken kindly to the battery being disconnected whilst the ignition was still live. They can be sensitive little buggers to things like that.
 

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Discussion Starter · #5 ·
If the EML is flashing then it is the immobiliser that's causing this.

Have you tried disconnecting the battery and leaving it for an hour or so? Bit of a long shot, but no harm trying.

You say that the lock guy checked that the transponder was reading the key chip correctly, so it's not something like the transponder has been knocked whilst changing the ignition barrel.

You may end up needing the services of an auto electrician on this one. I have a bit of a suspicion that your ecu may not have taken kindly to the battery being disconnected whilst the ignition was still live. They can be sensitive little buggers to things like that.
Transponder and key is working ok.
The locksmith had special computer plugged into car and key and chip were both accepted ok.
Is it impossible To reset the immobiliser myself?
 

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hi i had a peugeot 307 that had the same problem.the aa came out to me a few times and got the car started by spraying something called easy start directly into the air filter.i dont know if this will work for you but i think its worth a try you can pick up a can from most car shops or halfords for about £8 it will take 2 people to do this 1 to try to start the car while the other sprays the easy start but be careful as the easy start ignights when the car starts.hope this helps
 

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hi i had a peugeot 307 that had the same problem.the aa came out to me a few times and got the car started by spraying something called easy start directly into the air filter.i dont know if this will work for you but i think its worth a try you can pick up a can from most car shops or halfords for about £8 it will take 2 people to do this 1 to try to start the car while the other sprays the easy start but be careful as the easy start ignights when the car starts.hope this helps
This wont work as he has an immobiliser fault which is stopping the engine from starting
 

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i had the same sort of imobiliser fault on the peugeot though and the easy start worked.when the aa guy was trying to find out what the problem was he said it was an imobiliser problem and he tried everything but when i suggested the easy start he assured me it wouldnt work but tried it anyway and the car started.i just thought this idea could be of some use :eek:
 

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i had the same sort of imobiliser fault on the peugeot though and the easy start worked.when the aa guy was trying to find out what the problem was he said it was an imobiliser problem and he tried everything but when i suggested the easy start he assured me it wouldnt work but tried it anyway and the car started.i just thought this idea could be of some use :eek:
well, you never know i suppose.
 
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