better people to answer than I, but log IAT and make sure it's not getting heat soaked while setting in parking lot between tuning runs...
Type: Posts; User: Muletime
better people to answer than I, but log IAT and make sure it's not getting heat soaked while setting in parking lot between tuning runs...
detailed gen4 write up by board member:
https://forum.hptuners.com/showthread.php?58157-Gen4-idle-tuning-guide