McDoof wrote:BillyCorgi wrote:The ECU recognises which key is which by the code number of the immobiliser transponder chip.
One key is for a 98 Tune, the other key is for an Ethanol tune.
The ECU then biases (my words) the program for that particular fuel.
Interesting. I best find my spare key then. It's somewhere.....
I have a 3 year old so that could mean in the bin. But it is somewhere.
By then I will have full flex fuel and you can change fuels as needed.