Thanks everyone for the input, this is a great forum. I drove it yesterday for about 10 minutes and it's running correctly now. Might have just needed to get the engine temp higher.
Hopefully this is the end of my issues with my Tahoe, but I doubt it. I'm sure I'll be back here again.
Hopefully this is the end of my issues with my Tahoe, but I doubt it. I'm sure I'll be back here again.