Reviewed By Stan R (Channelview, TX) Reviewed for a
—1/23/2012 5:57 AM
Plugged it in and it did the tuning. Noticed change in power and mpg immediately.
Reviewed By Paul S (Saratoga Springs, NY) Reviewed for a
—12/12/2017 6:47 AM
Only issue is make sure you click the script for inline speedometer calibration, and GM Vehicle, then it is easy