[MikeDrives1]

Your year car should already contain the immoblizer. This means if a start is attempted when your specific key is not present, a fuse inside the ECU trips and the car will not start at all, short of actually dragging it onto a flatbed to steal it. In other words, these cars cannot be hot-wired.

The problem here is that no matter what you try and do, whether it be a kill switch for the fuel pump or ignition or what have you, the sheer fact that the car was attempting to be started without the key, will trip the immobilizer. So its a an unnecessary redundancy that will not matter in the end anyway. Its great how far tech has come over the years.


I can totally relate though, used to play with Hondas and such way back when and theft was a pretty decent issue with them, so wiring a simple killswitch into the fuel or ignition power lines was always a must because of how easy those cars are to hot-wire and drive away. Today, not so much. Advances in security have come a long way and any smart thief knows that their not going to be driving away with your car unless its on a flatbed. Your money is better invested in say, a very decent security system with GPS tracking abilities and a remote that goes crazy anytime someone so much as breathes on it.

 

[MikeDrives1]

Mikey so you're saying these are chip keys? If I went and had a plain jane metal key cut and tried to use it the immobilzer would trip?

If im not mistaken, yes. I know the 05+ STI ECU had this system and i beleive the 2008+ impreza (all) employed this as well. The same goes for 2008+ foresters.

It cost me quite a bit to have a valet key for my 2008 legacy made at the dealer because of this system.