Long story short, I recently picked up a project that was partially tuned so I may have a crockpot full of disaster beans here.
5.3, mild btr cam (unknown specs), Bosch 1000cc injectors (I believe they are the TSP ones), single turbo (low boost deal 6-7psi), factory fuel, SD.
I've read/watched quite a bit and have tried to iron this out myself over the past few weeks through Rinkrat idle guides/GRG youtube videos/LS sites but I seem to be going in circles. I'm wondering if the base tune has been jacked up from before I acquired this so I'm probably just compounding the issue with changes. Tune/log attached, I've made general edits based on the Rinkrat guide but have tweaked some since just trying different things. Otherwise it's fairly untouched by myself. (I'm messing with the throttle a fair amount in the log trying to show the issues)
Cold starting is a huge issue, fires every time then dies after a second or with any TPS %, it'll idle once it's warmed up a bit, I've actually got it to idle pretty happy around 800-850 and sound nice and clean, but any sort of tip in throttle it'll instantly die, hunt around for idle, or hesitate really bad like there is a dead spot from 1%-10% tps, after that it seems to clear up and will let you feather it down a bit. One big thing I've noticed is it seems to be extremely voltage sensitive so I'm really questioning the injector offset data. Lights, fans affect startup/idle. I have a request in with TSP to see if they have data, I haven't had luck locating anything other than some are saying the Bosch 1000's are similar to the ID1000's which I do have data for.
Anyway, just hoping I can have someone do a quick look at the basics and see if there is something wildly off, I'm not ruling anything out at this point.
I appreciate any help!