Originally Posted by Joshboody
with flash your trims shouldn't change with weather... it's something else either in hardware or tune adaption. If the banks follow each other likely not an injector.
OP, post a log... if you can catch the hesitation, it should show in the log. Can you hear a change in exhaust note when it happens?
Is that because it is load based? Therefore in more "efficient" colder weather where the air is more dense it will simply lower boost but power will remain similar and therefore require similar fueling?