I just completed installing my new ECM
and it has made such a difference in the Sky's performance it's crazy!!!! I now have power in the lower gears and passing power. It's like I have a new car all over again, one of the best investments and upgrades so far. The next upgrade will be the headers and then exhaust and I will be done for now....
I already made my appointment with the dealer to clear my check engine light and then I will be set for the Tahoe drive this weekend
