fjstl

This is a terrific car and I'm new to this make. Because the car wasn't starting, I and my mechanic thought it was possible that all of my keys may have been corrupted because of their being placed on top of a mobil swipe card. The keys checked out ok and the car still won't start. My mechanic believes the problem is in the immobilizer and is changing the "amplifier" which I believe sends a signal from a transponder key to the rf remote security center that tells the car to start. I've been told that they don't believe it is in the ecm, as there are no codes and the car was running absolutely beautiful until it decided to just spin over without starting. The sound is like a broken timing belt sound, but thats been ruled out.

Has anyone experienced such a problem, and if so how was it resolved and what did it cost? Does anyone have any suggestions?

I am desparate for help. thank you.