I don't think GM knows how the 10l80 works lol. what mods do you have?
Type: Posts; User: gmtech4
I don't think GM knows how the 10l80 works lol. what mods do you have?
There should be a pid for pats, showing if it is active or inactive. I had this problem on my 98 turned out it was bad injector data
https://youtu.be/e7A1hhx7f0A hope this helps