thing about the spare computer to keep note of is you need one for the transmission that is in your car, so an automatic ecu for you I believe. I made the mistake back when my car was getting fixed I had scooped up a cheap ecu... but it was for an auto.
Also, your keys would have to be pre-programmed to it otherwise car won't start.
Also, your keys would have to be pre-programmed to it otherwise car won't start.
2003 Focus ZX5 Racecar/Perma broke/Storage
2011 Volkswagen Jetta Daily Driver
2011 Volkswagen Jetta Daily Driver