I've been battling this for just too long now and it's starting to get the best of me, either time to fix it or get rid of the car/combo if it's never going to be right!
The issue I'm having is i just cannot get it to run consistently in SD OL at all times (can i say due to temps?).
For some time i battled injector tip temp issues until Ghuggins kindly suggested i look into them which did seem to help.
I'll have it running near perfect for out on the highway or cruising (at some temps) then all of a sudden if i get into a bit of traffic etc it will lean out then take some time to get back into line, i just cannot see in my scans anything that could be causing this, surely there must be a way that i can adjust to fix this?
I have had the car looked at (tuned) by a professional tuner (w/ dyno) but issues still remain, since the tune i have only adjusted the VE tables (trying to lean it out a bit at idle) as well as the "offset v inj tip temp" and "Injector Flow Rate Modifier vs. IAT" tables (to the attached tune).
I've tried setting the "Open Loop" and "Open Loop Gains" tables back to stock with no luck.
Engine specs are 6L SBE, reasonable cam, ID1050x injectors, valve springs, single GT42 turbo max 10psi, intercooler, manual, stock fuel pump on 98.
Attached is current tune, 1st scan from cold start (notice fueling is not following commanded), second scan is follow on from first (pretty reasonable), third scan follow on starting to lean out across the board, fourth scan back to normalish again?
Any help would be appreciated.