Search:

thanks

2005 GMC Envoy with a tune already installed. If I download the custom from truck then use a factory tool to download and install the factory tune is it possible to use both tunes. I do not have...

Did you check you grounds?

https://youtu.be/u_LRPb3l1DU

Name: Ron
Live: Oklahoma
Profession: Automotive Tech and Shop Owner since 1982 specialize in driveablity and exhaust
New to custom programming. Factory flash and diagnostics lots of practice. ...

Do you have any data to go with this? Codes, Long Term and Short Term data?