Is there a tutorial on how to do this?

I plugged my intune into my computer and it installed updates and I activated the wifi, I'll retune the truck now.

Just got the intune last week, installed the 87 octane tune(which during the tune says its the tow tune), and immediately knew I needed plugs due to major misfiring under load. Changed out the Denzo iridium plugs that were in it and noticed the gap was right around .042-.043 across the board for all ...