Originally Posted by 2 Stangz
Interesting. I wonder if making the ECU relearn every time you start you car is a bad thing for it.
I think it's just the opposite.... the relay stops the ECU from reverting since the circuit is closed everytime you shut down. This allows the current tune to remain as-is rather than being changed back according to your driving habits.
Maybe one of the electronic wizards will chime in.
nathannnn..... if I came across as rude, I apologise.